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Fernández-Martínez R, Corrochano N, Álvarez-Quintana J, Ordóñez A, Álvarez R, Rucandio I. Assessment of the ecological risk and mobility of arsenic and heavy metals in soils and mine tailings from the Carmina mine site (Asturias, NW Spain). ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:90. [PMID: 38367139 PMCID: PMC10874346 DOI: 10.1007/s10653-023-01848-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 12/27/2023] [Indexed: 02/19/2024]
Abstract
An evaluation of the pollution, distribution, and mobility of arsenic and heavy metals in spoil heaps and soils surrounding the abandoned Carmina lead-zinc mine (Asturias, northern Spain) was carried out. Fractionation of arsenic was performed by an arsenic-specific sequential extraction method; while, heavy metal fractionations was carried out using the protocol of the Bureau Community of Reference (BCR) (now renamed Standards, Measurements and Testing Programme). Arsenic appeared predominantly associated with amorphous iron oxyhydroxides. Among the heavy metals, lead and zinc showed high availability since significant amounts were extracted in the nonresidual fractions; whereas, chromium, copper and nickel showed very low availability, indicating their lithogenic origins. The results showed that the extractability of heavy metals in soils is influenced mainly by the presence of iron and manganese oxides as well as by pH and Eh. Multiple pollution indices, including the enrichment factor (EF), geoaccumulation index (Igeo), ecological risk index (Er) and potential ecological risk index (PERI), were used to assess the degree of soil pollution in the mine area. All results showed that lead was the key factor causing the pollution and ecological risk in the studied area, and copper, zinc and arsenic also had significant contributions. Notably, the sites at higher risk coincided with those with high availability of arsenic and heavy metals. This study provides an integrative approach that serves as a powerful tool to evaluate the metal pollution status and potential threats to the local environment of abandoned mining areas, and the results are useful for making management decisions in these areas.
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Affiliation(s)
- Rodolfo Fernández-Martínez
- Departamento de Tecnología, División de Química, Unidad de Espectroscopía, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Av. Complutense, 40, 28040, Madrid, Spain.
| | - Noelia Corrochano
- Departamento de Tecnología, División de Química, Unidad de Espectroscopía, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Av. Complutense, 40, 28040, Madrid, Spain
| | - Jessica Álvarez-Quintana
- Escuela de Ingeniería de Minas, Energía y Materiales, Dpto. de Explotación y Prospección de Minas, Universidad de Oviedo, Independencia, 13, 33004, Oviedo, Spain
| | - Almudena Ordóñez
- Escuela de Ingeniería de Minas, Energía y Materiales, Dpto. de Explotación y Prospección de Minas, Universidad de Oviedo, Independencia, 13, 33004, Oviedo, Spain
| | - Rodrigo Álvarez
- Escuela de Ingeniería de Minas, Energía y Materiales, Dpto. de Explotación y Prospección de Minas, Universidad de Oviedo, Independencia, 13, 33004, Oviedo, Spain
| | - Isabel Rucandio
- Departamento de Tecnología, División de Química, Unidad de Espectroscopía, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Av. Complutense, 40, 28040, Madrid, Spain
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Crowther C, Turner A, Moore MN, Jha AN. Assessing the effects of single and binary exposures of copper and lead on Mytilus galloprovincialis: Physiological and genotoxic approaches. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 265:106741. [PMID: 37944325 DOI: 10.1016/j.aquatox.2023.106741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 10/02/2023] [Accepted: 10/28/2023] [Indexed: 11/12/2023]
Abstract
It is becoming increasingly recognised that contaminants are not isolated in their threats to the aquatic environment, with recent shifts towards studying the effects of chemical mixtures. In this study, adult marine mussels (Mytilus galloprovincialis) were exposed to two aqueous concentrations of the essential trace metal, Cu (5 and 32 μg L-1), and the non-essential metal, Pb (5 and 25 μg L-1), both individually and in binary mixtures. After a 14-day exposure, metal accumulation was determined in the digestive gland, gill and mantle tissues by inductively coupled plasma-mass spectrometry following acid digestion, and a number of biochemical, neurotoxic and physiological markers were assessed. These included measurements of DNA damage using comet assay, total glutathione concentration, acetylcholinesterase (AChE) activity and clearance rate. Metal accumulation was greater in the digestive gland and gill than in the mantle, and based on computed free ion concentrations, was greater for Pb than for Cu. Copper exhibited an inhibitory effect on Pb accumulation but Pb did not appear to affect Cu accumulation. Comet assay results revealed DNA damage (i.e., genotoxic effects) in all treatments but differences between the exposures were not significant (p > 0.05), and there were no significant differences in AChE activities between treatments. The most distinctive impacts were a reduction in clearance rate resulting from the higher concentration of Cu, with and without Pb, and an increase in glutathione in the gill resulting from the higher concentration of Cu without Pb. Multivariate analysis facilitated the development of a conceptual model based on the current findings and previously published data on the toxicity and intracellular behaviour of Cu and Pb that will assist in the advancement of regulations and guidelines regarding multiple metal contaminants in the environment.
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Affiliation(s)
- Charlotte Crowther
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
| | - Andrew Turner
- School of Geography, Earth and Environmental Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK.
| | - Michael N Moore
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK; Plymouth Marine Laboratory, Prospect Place, Plymouth PL1 3DH, UK; European Centre for Environment and Human Health (ECEHH), Knowledge Spa, Royal Cornwall Hospital, University of Exeter Medical School, Truro, Cornwall TR1 3HD, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
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Özcan MM, Yılmaz FG, Kulluk DA. The accumulation of element and heavy metal concentrations in different parts of some carrot and radish types. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:754. [PMID: 37247127 DOI: 10.1007/s10661-023-11364-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 05/08/2023] [Indexed: 05/30/2023]
Abstract
Vegetables, which are an important part of human nutrition, are very rich in minerals necessary for human health, and heavy metals can be found in vegetables at high rates because they can be easily taken by plant roots and leaves. In this study, the macro, micro element and heavy metal element concentrations accumulated in different parts of some carrot and radish types were investigated. The element concentrations in the samples were analyzed by Inductively coupled plasma optical emission spectrometry (ICP-OES; Varian-Vista Model) equipment. P, K, Ca, Mg and S contents of the head of orange and black carrot samples were determined as 602.30 and 727.23 mg/kg, 19,790.91 and 22,230.21 mg/kg, 1765.66 and 1609.41 mg/kg, 580.34 and 660.79 mg/kg and 376.21 and 4444.46 mg /kg respectively. Also, exterior parts of orange and black carrots contained 281.65 and 336.43 mg/kg P, 7768.37 and 10,109.44 mg/kg K, 169.88 and 272.18 mg/kg Ca, 112.08 and 189.28 mg/kg Mg and 135.43 and 217.60 mg/kg S, respectively. P and K contents of the head parts of radish samples (white, red and black radish) were determined between 302.14 (red radish) and 1111.53 mg/kg (black radish) to 13,717.2 (red radish) and 22,202.4 mg/kg (white radish), respectively. Fe amounts of the roots of radish samples changed between20.47 (red radish) and 45.93 mg/kg (white radish). As and Ba were the most abundant heavy metals in both carrot and radish parts. The Ni contents of the parts of the carrots contain more than 50% lower than the head part. Also, while Pb contents of the parts of orange carrot change between 0.189 µg/g (interior of body) and 0.976 µg/g (shell), Pb amounts of the black carrot parts were recorded between 0.136 (head) and 0.536 µg/g (interior of body). The results obtained differed according to the vegetable type and parts. The head part of the radishes was the richest in zinc, followed by root, shell, exterior of body and interior of body in descending order. In general, the parts where heavy metals were most localized were the head and shell parts. The most localized parts of heavy metals in radishes were the head, shell and root parts. As a result, the most of the edible inner parts of carrots and radishes are thought to have a positive effect on human health, since their heavy metal content is low.
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Affiliation(s)
- Mehmet Musa Özcan
- Department of Food Engineering, Faculty of Agriculture, University of Selçuk, 42031, Konya, Turkey.
- Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Selcuk University, 42031, Konya, Turkey.
| | - Fatma Gökmen Yılmaz
- Department of Food Engineering, Faculty of Agriculture, University of Selçuk, 42031, Konya, Turkey
- Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Selcuk University, 42031, Konya, Turkey
| | - Duygu Akçay Kulluk
- Department of Food Engineering, Faculty of Agriculture, University of Selçuk, 42031, Konya, Turkey
- Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Selcuk University, 42031, Konya, Turkey
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Akter A, Goto M, Megat Mohd Noor MJ, Parvez A, Khanam S, Bakar Siddique MA, Hossain MF, Kormoker T. Immobilization of heavy metals in tannery sludge by the formation of tobermorite in subcritical water treatment with rice husk silica. RSC Adv 2023; 13:10610-10620. [PMID: 37025665 PMCID: PMC10071302 DOI: 10.1039/d3ra00595j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Accepted: 03/29/2023] [Indexed: 04/08/2023] Open
Abstract
Tannery sludge, heavy metals (HMs) enriched hazardous solid waste, is produced extensively in many regions of the world. Even though the sludge is hazardous, it can be considered a material resource, if organic matter and HMs in the sludge can be stabilized to minimize its negative environmental impacts. This research aimed to evaluate the efficacy of using subcritical water (SCW) treatment for tannery sludge treatment through immobilization and thus reduction of HMs to mitigate their potential environmental risk and toxicity. HMs in the tannery sludge were analyzed by inductively coupled plasma mass spectrometry (ICP-MS) and the average concentration of HMs (mg kg-1) was found in the following decreasing order of Cr (12 950) > Fe (1265) > Cu (76) > Mn (44) > Zn (36) > Pb (14) with very high Cr concentration. The result of toxicity characteristics leaching procedure and sequential extraction procedure tests revealed that the raw tannery sludge leachate contained 11.24 mg L-1 Cr, which classified the raw tannery sludge into a very high-risk category. After SCW treatment, the concentration of Cr in leachate was reduced to 1.6 mg L-1 indicating risk reduction to a low-risk category. The eco-toxicity levels of other HMs also decreased considerably after SCW treatment. X-ray diffractometry (XRD) and scanning electron microscopy (SEM) analysis were employed to identify the effective immobilizing substances formed in the SCW treatment process. The favorable formation of immobilizing orthorhombic tobermorite (Ca5Si6O16(OH)2·4H2O) at 240 °C in the SCW treatment process was confirmed by XRD and SEM analysis. The results confirmed that the formation of 11 Å tobermorite is capable of strongly immobilizing HMs in the SCW treatment process. Further, both orthorhombic 11 Å tobermorite and 9 Å tobermorite were successfully synthesized by SCW treatment on a mixture of tannery sludge including rice husk silica and Ca(OH)2 with water under rather mild conditions. Hence, it can be concluded that SCW treatment of tannery sludge with supplementary silica from rice husk can effectively immobilize the HMs and significantly reduce their environmental risk through tobermorite formation.
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Affiliation(s)
- Ayesha Akter
- Malaysia Japan International Institute of Technology, Universiti Teknologi Malaysia KL Campus Jalan Sultan Yahya Petra 54100 Kuala Lumpur Malaysia
- Department of Emergency Management, Faculty of Environmental Science and Disaster Management, Patuakhali Science and Technology University Dumki Patuakhali-8602 Bangladesh
| | - Masafumi Goto
- Malaysia Japan International Institute of Technology, Universiti Teknologi Malaysia KL Campus Jalan Sultan Yahya Petra 54100 Kuala Lumpur Malaysia
| | - Megat Johari Megat Mohd Noor
- Malaysia Japan International Institute of Technology, Universiti Teknologi Malaysia KL Campus Jalan Sultan Yahya Petra 54100 Kuala Lumpur Malaysia
| | - Ahmed Parvez
- Department of Environmental Science, Faculty of Environmental Science and Disaster Management, Patuakhali Science and Technology University Dumki Patuakhali-8602 Bangladesh
| | - Shamsunnahar Khanam
- Department of Environmental Science, Bangladesh University of Professionals Dhaka Bangladesh
| | - Md Abu Bakar Siddique
- Institute of National Analytical Research and Service (INARS), Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhanmondi Dhaka 1205 Bangladesh
| | - Md Faysal Hossain
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology No. 130, Meilong Road Shanghai 200237 China
| | - Tapos Kormoker
- Department of Emergency Management, Faculty of Environmental Science and Disaster Management, Patuakhali Science and Technology University Dumki Patuakhali-8602 Bangladesh
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Hassan RO, Othman HO, Ali DS, Abdullah FO, Darwesh DA. Assessment of the Health Risk Posed by Toxic Metals in Commonly Consumed Legume Brands in Erbil, IRAQ. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2023.105282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
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Haque MR, Ali MM, Ahmed W, Siddique MAB, Akbor MA, Islam MS, Rahman MM. Assessment of microplastics pollution in aquatic species (fish, crab, and snail), water, and sediment from the Buriganga River, Bangladesh: An ecological risk appraisals. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159344. [PMID: 36240925 DOI: 10.1016/j.scitotenv.2022.159344] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 10/06/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
Current work focus on microplastic (MPs) occurrence in the water, sediment, and aquatic species (fish, crab, and snail) of the Buriganga River, Bangladesh, with an ecological risk assessment perspective. It also includes the distribution of MPs in different river ecosystem segments and the presence of heavy metal (loid)s (HMs) in water, sediments, and MPs surface. The MPs were inspected by stereomicroscope to identify the shapes, color, and size, and Fourier transform infrared (FTIR) spectroscopy was used to characterize polymer types. The samples concentration of four HMs viz., As, Cd, Cr, and Pb were determined by atomic absorption spectrometry (AAS). The possible MPs content in water, sediment, fish, crab, and snail were varied from 0.250 to 0.117 MPs/mL, 3.5-8.17 MPs/g, 0.65-3.82 MPs/g, 3.75-4.28 MPs/g, and 0.84-1.12 MPs/g, respectively. Fibers and fragments were the most dominant shape, less than 0.5 mm was dominant in size, and blue was the dominant color. In the evaluation of the chemical composition of MPs in water, sediment, fish, snail, and crab samples, Polyethylene terephthalate (PETE), Ethylene-vinyl acetate (EVA), High-density polyethylene (HDPE), Acrylonitrile butadiene styrene (ABS), Cellulose acetate (CA), and Nylon were identified. Regarding HMs load, the river demonstrated a highly polluted environment following the abundance pattern Cr > Pb > As>Cd. SEM-EDAX of MPs was conducted to investigate the surface MP's surface and elemental composition. It reveals that the MPs surface has characteristic flakes, cracks, and adhering particles along with Si, K, Au, C, and O on the surface studied MPs. There is no significant relationship found among the ecosystem segments. However, Ompok bimaculatus species show a negative relationship of MPs distribution with water and sediment. Moreover, according to the ecological risk of MPs pollution in the Buriganga River, it was in category-I, indicating considerable pollution load due to the presence of MPs.
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Affiliation(s)
- Md Rashedul Haque
- Laboratory of Environmental Health and Ecotoxicology, Department of Environmental Sciences, Jahangirnagar University, Dhaka 1342, Bangladesh
| | - Mir Mohammad Ali
- Department of Aquaculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
| | - Wahida Ahmed
- Laboratory of Environmental Health and Ecotoxicology, Department of Environmental Sciences, Jahangirnagar University, Dhaka 1342, Bangladesh
| | - Md Abu Bakar Siddique
- Institute of National Analytical Research and Service (INARS), Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhanmondi, Dhaka 1205, Bangladesh
| | - Md Ahedul Akbor
- Institute of National Analytical Research and Service (INARS), Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhanmondi, Dhaka 1205, Bangladesh
| | - Md Saiful Islam
- Department of Soil Science, Patuakhali Science and Technology University, Patuakhali 8602, Bangladesh
| | - Md Mostafizur Rahman
- Laboratory of Environmental Health and Ecotoxicology, Department of Environmental Sciences, Jahangirnagar University, Dhaka 1342, Bangladesh; Department of Environmental Sciences, Jahangirnagar University, Dhaka 1342, Bangladesh.
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Ahmad B, Dar TA, Khan MMA, Ahmad A, Rinklebe J, Chen Y, Ahmad P. Oligochitosan fortifies antioxidative and photosynthetic metabolism and enhances secondary metabolite accumulation in arsenic-stressed peppermint. FRONTIERS IN PLANT SCIENCE 2022; 13:987746. [PMID: 36304406 PMCID: PMC9595047 DOI: 10.3389/fpls.2022.987746] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 08/02/2022] [Indexed: 06/16/2023]
Abstract
The current study was designed to investigate whether application of irradiated chitosan (ICn), a recently established plant growth promoter, can prove effective in alleviating arsenic (As) stress in peppermint, a medicinally important plant. This study investigated how foliar application of ICn alleviated As toxicity in peppermint (Mentha piperita L.). Peppermint plants were treated with ICn (80 mg L-1) alone or in combination with As (10, 20, or 40 mg kg-1 of soil, as Na2HAsO4·7H2O) 40 days after transplantation (DAT), and effects on the growth, photosynthesis, and antioxidants were assessed at 150 DAT as stress severely decreases plant growth, affects photosynthesis, and alters enzymatic (ascorbate peroxidase, superoxide dismutase) and non-enzymatic (glutathione) antioxidants. When applied at 40 mg kg-1, ICn significantly decreased the content of essential oil (EO) and total phenols in peppermint by 13.8 and 16.0%, respectively, and decreased phenylalanine ammonia lyase (PAL) and deoxy-D-xylulose-5-phosphate reductoisomerase (DXR) activities by 12.8 and 14.6%, respectively. Application of ICn mitigated the disadvantageous effects caused by As toxicity in peppermint by enhancing activities of antioxidative enzymes and photosynthesis and increased accretion of secondary metabolism products (EOs and phenols). An enhancement of total phenols (increased by 17.3%) and EOs (36.4%) is endorsed to ICn-stimulated enhancement in the activities of PAL and DXR (65.9 and 28.9%, respectively) in comparison to the control. To conclude, this study demonstrated that foliar application of ICn (80 mgL-1) effectively promoted the growth and physiology of peppermint and eliminated As-induced toxicity to achieve high production of EO-containing crops grown in metal-contaminated soils.
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Affiliation(s)
- Bilal Ahmad
- Department of Botany, Aligarh Muslim University, Aligarh, India
- Department of Botany, Government Degree College for Women, University of Kashmir, Pulwama, India
| | - Tariq Ahmad Dar
- Department of Botany, Aligarh Muslim University, Aligarh, India
- Department of Botany, Government Degree College for Women, University of Kashmir, Pulwama, India
| | | | - Ajaz Ahmad
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Jörg Rinklebe
- Laboratory of Soil- and Groundwater-Management, School of Architecture and Civil Engineering, Institute of Soil Engineering, Waste- and Water Science, University of Wuppertal, Wuppertal, Germany
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan, India
| | - Yinglong Chen
- The UWA Institute of Agriculture, and School of Agriculture and Environment, The University of Western Australia, Perth, WA, Australia
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Özşeker K, Erüz C, Terzi Y. Evaluation of toxic metals in different grain size fractions of sediments of the southeastern Black Sea. MARINE POLLUTION BULLETIN 2022; 182:113959. [PMID: 35917682 DOI: 10.1016/j.marpolbul.2022.113959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/04/2022] [Accepted: 07/13/2022] [Indexed: 06/15/2023]
Abstract
Surficial marine sediment samples were collected along the southeastern Black Sea (Trabzon) coast. The sampling was conducted in June 2019 from eleven stations, with the depths varying between 8 and 30 m. Metal concentrations (Cu, Pb, Zn, Ni, As, and Cr) were evaluated in four different sediment size fractions; 0.063 mm (F1), 0.125 mm (F2), 0.25 mm (F3), and 0.5 mm (F4). Geoaccumulation Index (IGEO), Sediment Enrichment Factor (SEF), Ecological Risk (Er), and Potential Ecological Risk Index (RI) were used to determine potential anthropogenic hotspots. Temperature, pH, salinity, dissolved oxygen, and total organic carbon were determined to assess the variation across the sampling area. The highest metal concentrations (Cu:113.4 ± 45.1; Pb:85.9 ± 28.9; Zn: 138.6 ± 18.8; Ni:37.8 ± 7.6; As:14.1 ± 3.6; and Cr: 29.9 ± 5.4 ppm) were obtained in the smallest sediment fraction 0.063 mm (F1). The fractions of sediment structure were polluted by Cu, Pb, and As from moderate and severe levels according to IGEO and SEF.
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Affiliation(s)
- Koray Özşeker
- Karadeniz Technical University, Institute of Marine Sciences and Technology, Trabzon, Türkiye.
| | - Coşkun Erüz
- Department of Marine Science and Technology Engineering, Faculty of Marine Sciences, Karadeniz Technical University, Trabzon, Türkiye
| | - Yahya Terzi
- Department of Fisheries Technology Engineering, Faculty of Marine Sciences, Karadeniz Technical University, Trabzon, Türkiye
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Roy S, Gupta SK, Prakash J, Habib G, Kumar P. A global perspective of the current state of heavy metal contamination in road dust. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:33230-33251. [PMID: 35022986 DOI: 10.1007/s11356-022-18583-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 01/05/2022] [Indexed: 05/22/2023]
Abstract
Heavy metals are persistent and bio-accumulative, and pose potential risk to human health and ecosystem. We reviewed the current state of heavy metal contamination, the ecotoxicological and human health risk of heavy metals reported in urban road dust from various cities in different continents (Asia, Europe, Africa, America, and Australia). We compared and synthesized the findings on the methods related to sample collection, extraction, analytical tools of heavy metals, their concentrations, level of contamination, ecological risk, non-carcinogenic risk, and carcinogenic risk in road dust. Concentrations of Pb, Zn, Cu, Ni, Cd, Cr, Mn, and Fe were found to be higher than their background values in soil. As expected, the contamination levels of the heavy metals varied extensively among cities, countries, continents, and periods. A high level of contamination is observed for Pb and Cd in road dust due to operating leaded gasoline and the old vehicle population. The highest Zn contamination was observed from road dust in Europe, followed by Asia, Africa, Australia, and America (North America and South America). Cu contamination and the pollution load index (PLI) is found to be the highest in Europe and lowest in Africa, with in-between values of PLI in American and African cities. The potential ecological risk on different continents was observed highest in Asia, followed by Europe, Australia, America, and Africa. A comparative assessment of non-carcinogenic risk for children indicated that Australia is the most susceptible country due to high heavy metal exposure in road dust, followed by Asia. However, there is no susceptible risk in European, African, and American cities. We did not observe any potential risk to adults due to non-carcinogenic metals. Carcinogenic risk to all age groups was within the threshold limit range for all the regions worldwide.
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Affiliation(s)
- Sayantee Roy
- Environmental Engineering, Department of Civil Engineering, Indian Institute of Technology Delhi, Delhi, India
| | - Sanjay Kumar Gupta
- Environmental Engineering, Department of Civil Engineering, Indian Institute of Technology Delhi, Delhi, India.
| | - Jai Prakash
- Aerosol and Air Quality Research Laboratory (AAQRL), Washington University in St. Louis, St. Louis, MO, 63130, USA
| | - Gazala Habib
- Environmental Engineering, Department of Civil Engineering, Indian Institute of Technology Delhi, Delhi, India
| | - Prashant Kumar
- Global Centre for Clean Air Research (GCARE), Department of Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, GU2 7XH, UK
- Department of Civil, Structural & Environmental Engineering, Trinity College Dublin, Dublin, Ireland
- School of Architecture, Southeast University, Nanjing, China
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Alvyar Z, Shahbazi F, Oustan S, Dengiz O, Minasny B. Digital mapping of potentially toxic elements enrichment in soils of Urmia Lake due to water level decline. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 808:152086. [PMID: 34863763 DOI: 10.1016/j.scitotenv.2021.152086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 11/21/2021] [Accepted: 11/26/2021] [Indexed: 06/13/2023]
Abstract
Anthropogenic activities, in addition to climate change caused the drying of Urmia Lake in Iran, since 2005. Dust storms blown from the dried lakebed have created serious environmental hazards in adjacent areas. These crises would jeopardise achieving United Nations Sustainable Development Goals (UN SDGs) and emphasise the need for evaluating the spatial distribution of soil enrichment of potentially toxic elements (PTEs) (As, Cr, Cu, Ni, Pb and Zn). Conventional assessment would require a costly sampling method to map potentially polluted areas. Digital soil mapping (DSM) has proved to be a cost-efficient method for soil mapping, however its application in mapping enrichment of PTEs in soil is still lacking. This study aims to map and project the potential pollution of PTEs in the Urmia Lake area using digital mapping techniques and Landsat-8 OLI satellite images. A total of 129 surficial soil samples were collected as ground control. Enrichment factors (EFs) of PTEs and the Modified Pollution Index (MPI) were spatially predicted using two machine learning models. Covariates were derived from a suite of Landsat-8 spectral indices. The bootstrapping method was used to analyse the uncertainties. The results showed that Random Forests performed well in estimating EFs of several PTEs. Spectral indices using NIR and SWIR bands were key to predict these PTEs and MPI. The digital maps demonstrated that the study area was enriched with As, Cu and Pb at moderate to significant levels. Regions under the lower ecological level (elevation <-1274 m) had significantly larger enrichment than those of higher elevation. Based on MPI, 43% of the area was categorised as moderately polluted, and 31% of the area was moderately-heavily polluted. Possible sources of PTEs were discharges from farmlands, landfills, and industries. Our results revealed that the Urmia Lake desiccating has caused severe environmental challenges and needs immediate restoration.
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Affiliation(s)
- Zohreh Alvyar
- Soil Science Department, Faculty of Agriculture, University of Tabriz, Iran
| | - Farzin Shahbazi
- Soil Science Department, Faculty of Agriculture, University of Tabriz, Iran.
| | - Shahin Oustan
- Soil Science Department, Faculty of Agriculture, University of Tabriz, Iran
| | - Orhan Dengiz
- Ondokuz Mayis University, Faculty of Agriculture, Department of Soil Science and Plant Nutrition, Turkey
| | - Budiman Minasny
- Sydney Institute of Agriculture & School of Life and Environmental Sciences, The University of Sydney, Eveleigh, NSW 2015, Australia
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11
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Heavy Metal Contamination and Human Health Implications in the Chan Thnal Reservoir, Cambodia. SUSTAINABILITY 2021. [DOI: 10.3390/su132413538] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Chan Thnal reservoir, built during the Pol Pot period, is the major water source for the people in Krang Chek commune, Kampong Speu Province, Cambodia. Metal pollution caused by agricultural activities, improper wastewater treatment, and municipal waste disposal poses serious environmental health problems. In this study, the concentrations of four potential toxic metals (i.e., Cd, Cu, Pb, and Zn) from six locations across the reservoir were investigated both in the water and sediment. The results reflected progressive deterioration and indicated moderate to heavy pollution from the metals. The metal levels in the water were in the order of Zn > Cu > Pb > Cd. The statistical analysis revealed primary sources of heavy metals contamination in the water. Cd, Cu, Zn, and Pb in the water likely originate from anthropogenic activities including agricultural runoff (i.e., the use of fertilizers and pesticides) and urban runoff (i.e., improper wastewater discharge and waste disposal). Among the four metals, the Pb levels in the water significantly exceeded the guideline for drinking water in all locations. The health risk assessment revealed serious non-carcinogenic risks of Pb intake in the children at the age below 10 and infants. Appropriate control and protection strategies are urgently needed to cut off the main Pb exposure pathway in pregnant women, children, and infants.
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12
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Mengistu DA. Public health implications of heavy metals in foods and drinking water in Ethiopia (2016 to 2020): systematic review. BMC Public Health 2021; 21:2114. [PMID: 34789222 PMCID: PMC8600710 DOI: 10.1186/s12889-021-12189-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 11/09/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Besides their benefits, heavy metals are toxic, persistent, and hazardous to human health, even at their lower concentrations. Consumption of unsafe concentrations of food contaminated with heavy metals may lead to the disruption of numerous biological and biochemical processes in the human body. In developing country including Ethiopia, where untreated or partially treated wastewater is used for agricultural purposes, the problems related to the consumption foods contaminated with heavy metals may poses highest risk to human health. Therefore, this review was aimed to determine the public health implications of heavy metals in foods and drinking water in Ethiopia. METHODS The articles published from 2016 to 2020 were identified through systematic searches of electronic databases that include MEDLINE/PubMed, EMBASE, CINAH, Google Scholar, WHO, and FAO Libraries. The data was extracted using a predetermined data extraction form using Microsoft Excel, 2016. The methodological quality of the included studies was assessed using mixed methods appraisal tool (MMAT) version 2018 and Joanna Briggs Institute Critical Appraisal tools to determine the relevance of the studies. Finally, the results were evaluated based on the FAO/WHO guidelines for foods and drinking water. RESULTS A total of 1019 articles published from 2016 to 2020 were searched from various electronic databases and by manual searching on Google. Following the initial screening, 317 articles were retrieved for evaluation and 49 articles were assessed for eligibility, of which 21 studies were included in the systematic review. The mean concentration of Cr, Cd, Pb, As, Hg, Zn, Cu, Ni, Co, Fe and Mn in fruits and vegetables ranged from 2.068-4.29, 0.86-1.37, 1.90-4.70, 1.01-3.56, 3.43-4.23, 19.18-98.15, 4.39-9.42, 1.037-5.27, 0.19-1.0, 199.5-370.4, 0.26-869 mg/kg, respectively. The mean concentration Cr, Cd, Pb, As, Zn, and Fe in meat and milk ranged from 1.032-2.72, 0.233-0.72, 1.32-3.15, 0.79-2.96, 78.37-467.7, and 505.61-3549.9 mg/kg, respectively. The mean concentration of Cr, Cd, Pb, Zn, and Cu in drinking water ranged 0.0089-0.054, 0.02-0.0237, 0.005-0.369, 0.625-2.137, and 0.176-1.176 ml/L, respectively. The mean concentration of Cr, Cd, Pb, Zn, Cu, Ni, Co, Fe, and Mn in other edible cereals ranged from 0.973-2.165, 0.424-0.55, 0.65-1.70, 70.51-81.58, 14.123-15.98, 1.89-13.8, 1.06-1.59, 67.866-110.3, and 13.686-15.4 mg/kg, respectively. CONCLUSION This systematic review identified heavy metals in foods and drinking water and determined their public health implications. The results of this finding imply that the majority of the studies reported high concentrations of toxic heavy metals in foods and drinking water that are hazardous to human health. Therefore, effective food safety and risk-based food quality assessment are essential to protect the public health.
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Affiliation(s)
- Dechasa Adare Mengistu
- Department of Environmental Health, College of Health and Medical Science, Haramaya University, Harar, Ethiopia.
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13
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Mokarram M, Setoodeh A, Zarei AR. Assessment of risk of non-cancer disease in contaminated plant (Ocimum basilicum L.) and soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:56164-56174. [PMID: 34047900 DOI: 10.1007/s11356-021-14517-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
This study tried to conduct an investigation into the rate of contamination by heavy metals (HMs) in both the soil used in the plantation of the basil (Ocimum basilicum L.) as well as the plant itself. The proposed methodology works by assessing the concentrations of 4 heavy metals, inclusive of Pb, Zn, Ni, and Cd. The target hazard quotient (THQ) and the bioconcentration factor (BCF) were deployed for assessing the rate of contamination by HMs within the plant. The plant samples were also analyzed at different stages of growth (DSG) through inspection of their reaction to electromagnetic waves (EW). The results indicated that the THQ was substantially high for Pb and Zn, indicative of the high contamination of the study samples by the metals thereof. The hazard index (HI) for non-carcinogenic hazards was also measured for the entire HMs at 46.64, denoting a high level of contamination in the basil. BCF results also indicated Cd as the most absorbed contaminant (BCF = 1.88) by the target plant. The optimal vegetation index for assessment of HM contamination in the target plant, on the report of the findings, was identified as PD312. Therefore, utilizing EW, the reaction of contaminated plants in DSG is forecastable.
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Affiliation(s)
- Marzieh Mokarram
- Department of Range and Watershed Management, College of Agriculture and Natural Resources of Darab, Shiraz University, Shiraz, Iran
| | | | - Abdol Rassoul Zarei
- Department of Range and Watershed Management (Nature Engineering), Faculty of Agriculture, Fasa University, Fasa, Iran.
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14
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Yang X, Yang Y, Wan Y, Wu R, Feng D, Li K. Source identification and comprehensive apportionment of the accumulation of soil heavy metals by integrating pollution landscapes, pathways, and receptors. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 786:147436. [PMID: 33984708 DOI: 10.1016/j.scitotenv.2021.147436] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/15/2021] [Accepted: 04/26/2021] [Indexed: 06/12/2023]
Abstract
Existing source apportionment methods for soil heavy metals fail to identify the actual landscapes related to pollutant sources and quantify their contributions to the accumulation of soil heavy metals. In this work, we propose a new source identification and apportionment approach for soil heavy metal accumulation by integrating pollution landscapes, pathways, and receptors. Datasets for soil lead (Pb) concentrations in Daye city, China, which was sampled in 2018, were used. First, based on the spatial distribution of Pb, the source landscapes were identified using GeoDetector and spatial analysis methods. Second, a source landscape apportionment model (SLAM) was developed considering both atmospheric deposition and surface runoff as diffusion pathways. Third, considering soil properties and topography as receptor attributes, ordinary least squares (OLS) and geographically weighted regression (GWR) models were employed to further adjust the soil Pb accumulation at receptor locations. The results showed that SLAM followed by the GWR model (SLAM-GWR) had the highest fitting accuracy. Then, the spatial distributions and ranges of contributions of each identified source landscape to Pb accumulation through different pathways were obtained. Finally, the advantages and disadvantages of the proposed approach were discussed.
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Affiliation(s)
- Xue Yang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of the Yangtze River), Ministry of Agriculture, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Wuhan 430070, China
| | - Yong Yang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of the Yangtze River), Ministry of Agriculture, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Wuhan 430070, China.
| | - Yongyong Wan
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of the Yangtze River), Ministry of Agriculture, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Wuhan 430070, China
| | - Ruojing Wu
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of the Yangtze River), Ministry of Agriculture, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Wuhan 430070, China
| | - Dekun Feng
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of the Yangtze River), Ministry of Agriculture, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Wuhan 430070, China
| | - Ke Li
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of the Yangtze River), Ministry of Agriculture, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Wuhan 430070, China
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15
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Droz B, Payraudeau S, Rodríguez Martín JA, Tóth G, Panagos P, Montanarella L, Borrelli P, Imfeld G. Copper Content and Export in European Vineyard Soils Influenced by Climate and Soil Properties. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:7327-7334. [PMID: 34009978 DOI: 10.1021/acs.est.0c02093] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Copper-based fungicides (Cuf) are used in European (EU) vineyards to prevent fungal diseases. Soil physicochemical properties locally govern the variation of the total copper content (Cut) in EU vineyards. However, variables controlling Cut distribution at a larger scale are poorly known. Here, machine learning techniques were used to identify governing variables and to predict the Cut distribution in EU vineyards. Precipitation, aridity and soil organic carbon are key variables explaining together 45% of Cut distribution across EU vineyards. This underlines the effect of both climate and soil properties on Cut distribution. The average net export of Cu at the EU scale is 0.29 kg Cu ha-1, which is 2 orders of magnitude less than the net accumulation of Cu (24.8 kg Cu ha-1). Four scenarios of Cuf application were compared. The current EU regulation with a maximum of 4 kg Cu ha-1 year-1 may increase by 2% of the EU vineyard area, exceeding the predicted no-effect concentration (PNEC) in soil in the next 100 years. Overall, our results highlight the vineyard areas requiring specific remediation measures and strategies of Cuf use to manage a trade-off between pest control and soil and water contamination.
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Affiliation(s)
- Boris Droz
- Institut Terre et Environnement de Strasbourg, UMR 7063, Université de Strasbourg, ENGEES, CNRS, 5 rue Descartes, Strasbourg F-67084, France
| | - Sylvain Payraudeau
- Institut Terre et Environnement de Strasbourg, UMR 7063, Université de Strasbourg, ENGEES, CNRS, 5 rue Descartes, Strasbourg F-67084, France
| | - José Antonio Rodríguez Martín
- Department of the Environment, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaría (INIA), Carretera de la Corunã 7.5, 28040 Madrid, Spain
| | - Gergely Tóth
- Institute of Advanced Studies, Chernel Street 14, 9730 Kőszeg, Hungary
| | - Panos Panagos
- Institute for Environment and Sustainability, European Commission, Joint Research Centre (JRC), Via E. Fermi 2749, 21027 Ispra, Italy
| | - Luca Montanarella
- Institute for Environment and Sustainability, European Commission, Joint Research Centre (JRC), Via E. Fermi 2749, 21027 Ispra, Italy
| | - Pasquale Borrelli
- Department of Earth and Environmental Sciences, University of Pavia, Via Ferrata 1, 27100 Pavia, Italy
- Department of Biological Environment, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Gwenaël Imfeld
- Institut Terre et Environnement de Strasbourg, UMR 7063, Université de Strasbourg, ENGEES, CNRS, 5 rue Descartes, Strasbourg F-67084, France
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16
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Giachino A, Focarelli F, Marles-Wright J, Waldron KJ. Synthetic biology approaches to copper remediation: bioleaching, accumulation and recycling. FEMS Microbiol Ecol 2021; 97:6021318. [PMID: 33501489 DOI: 10.1093/femsec/fiaa249] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 12/02/2020] [Indexed: 12/20/2022] Open
Abstract
One of the current aims of synthetic biology is the development of novel microorganisms that can mine economically important elements from the environment or remediate toxic waste compounds. Copper, in particular, is a high-priority target for bioremediation owing to its extensive use in the food, metal and electronic industries and its resulting common presence as an environmental pollutant. Even though microbe-aided copper biomining is a mature technology, its application to waste treatment and remediation of contaminated sites still requires further research and development. Crucially, any engineered copper-remediating chassis must survive in copper-rich environments and adapt to copper toxicity; they also require bespoke adaptations to specifically extract copper and safely accumulate it as a human-recoverable deposit to enable biorecycling. Here, we review current strategies in copper bioremediation, biomining and biorecycling, as well as strategies that extant bacteria use to enhance copper tolerance, accumulation and mineralization in the native environment. By describing the existing toolbox of copper homeostasis proteins from naturally occurring bacteria, we show how these modular systems can be exploited through synthetic biology to enhance the properties of engineered microbes for biotechnological copper recovery applications.
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Affiliation(s)
- Andrea Giachino
- Faculty of Medical Sciences, Biosciences Institute, Newcastle University, Newcastle upon Tyne, NE2 4HH, United Kingdom
| | - Francesca Focarelli
- Faculty of Medical Sciences, Biosciences Institute, Newcastle University, Newcastle upon Tyne, NE2 4HH, United Kingdom
| | - Jon Marles-Wright
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, NE1 7RU, United Kingdom
| | - Kevin J Waldron
- Faculty of Medical Sciences, Biosciences Institute, Newcastle University, Newcastle upon Tyne, NE2 4HH, United Kingdom
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17
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Verification of the Determination Method of Dissolved Metal Content using ICP-OES and Its Application for River Water in Bandar Lampung City. JURNAL KIMIA SAINS DAN APLIKASI 2021. [DOI: 10.14710/jksa.24.1.29-36] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Method verification for metal analysis (Cd, Cr, Cu, Ni, Co, and Mn) in surface water using Inductively Coupled Plasma (ICP) was carried out to evaluate the method’s performance in the laboratory-based on US Method EPA 200.7. The verified method is used to determine the metal content in river water flowing in Bandar Lampung. The results showed that the method used had good linearity with a regression coefficient of more than 0.995. This method’s accuracy is expressed by the %RSD (relative standard deviation), which is in the range of 3.145 to 4.345% and meets the acceptance requirements with a %RSD value less than ⅔ CV Horwitz. The method accuracy obtained from the spiking analysis gives a range of 80-110% for the analysis of 1 mg/L and meets the acceptability required by AOAC. Overall, the performance of the method used is suitable for the analysis of metals in surface water. This method was applied for metal analysis in river water samples in several places in Bandar Lampung, which were the Palang Besi river (A1), the Way Balau Kedamaian river (B1), the Way Balau Kedaton river (C1), the Way Kuala river (D1), the Sumur Batu Kahuripan river (E1), Sumur Putri river (F1), and Muara Kahuripan river (G1). The concentrations of Cd, Cr, Cu, Ni, and Co metals were under the LoD method, while the Mn concentration was above the LoD method in river water samples.
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18
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Kumar V, Pandita S, Singh Sidhu GP, Sharma A, Khanna K, Kaur P, Bali AS, Setia R. Copper bioavailability, uptake, toxicity and tolerance in plants: A comprehensive review. CHEMOSPHERE 2021; 262:127810. [PMID: 32763578 DOI: 10.1016/j.chemosphere.2020.127810] [Citation(s) in RCA: 127] [Impact Index Per Article: 42.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/14/2020] [Accepted: 07/21/2020] [Indexed: 05/04/2023]
Abstract
Copper (Cu) is an essential element for humans and plants when present in lesser amount, while in excessive amounts it exerts detrimental effects. There subsists a narrow difference amid the indispensable, positive and detrimental concentration of Cu in living system, which substantially alters with Cu speciation, and form of living organisms. Consequently, it is vital to monitor its bioavailability, speciation, exposure levels and routes in the living organisms. The ingestion of Cu-laced food crops is the key source of this heavy metal toxicity in humans. Hence, it is necessary to appraise the biogeochemical behaviour of Cu in soil-plant system with esteem to their quantity and speciation. On the basis of existing research, this appraisal traces a probable connexion midst: Cu levels, sources, chemistry, speciation and bioavailability in the soil. Besides, the functions of protein transporters in soil-plant Cu transport, and the detrimental effect of Cu on morphological, physiological and nutrient uptake in plants has also been discussed in the current manuscript. Mechanisms related to detoxification strategies like antioxidative response and generation of glutathione and phytochelatins to combat Cu-induced toxicity in plants is discussed as well. We also delimits the Cu accretion in food crops and allied health perils from soils encompassing less or high Cu quantity. Finally, an overview of various techniques involved in the reclamation and restoration of Cu-contaminated soils has been provided.
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Affiliation(s)
- Vinod Kumar
- Department of Botany, Government Degree College, Ramban, Jammu, 182144, India.
| | - Shevita Pandita
- Department of Botany, University of Jammu, Jammu and Kashmir, India
| | - Gagan Preet Singh Sidhu
- Centre for Applied Biology in Environment Sciences, Kurukshetra University, Kurukshetra, 136119, India
| | - Anket Sharma
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, China
| | - Kanika Khanna
- Independent Researcher, House No.282, Lane no. 3, Friends Colony, Opposite DAV College, Jalandhar, 144008, Punjab, India
| | - Parminder Kaur
- Independent Researcher, House No. 472, Ward No. 8, Dhariwal, Gurdaspur, 143519, Punjab, India
| | - Aditi Shreeya Bali
- Department of Botany, Dyal Singh College, Karnal, Haryana, 132001, India
| | - Raj Setia
- Punjab Remote Sensing Centre, Ludhiana, India
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19
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Punia A. Role of temperature, wind, and precipitation in heavy metal contamination at copper mines: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:4056-4072. [PMID: 33188519 DOI: 10.1007/s11356-020-11580-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 11/06/2020] [Indexed: 06/11/2023]
Abstract
The increasing demand for minerals pressurizing the mining authorities to extract low-grade ore results in more mining waste and degradation of the environment. The main aim of review was to understand the role of climatic factors (temperature, wind, and precipitation) in dispersal and mobility of heavy metals in soil, water, and vegetation in Cu mining region. The major source of contamination in the mining sector is tailings, overburden rocks, and abandoned mines. The contaminates or fine particles of sulfide-rich mining waste follow two major pathways for the dispersal: aerial and leaching. Sulfides on exposure to oxygen and water generate acid mine drainage which results in leaching of heavy metals. The pit water of abandoned mines is also a cause of concern which contaminates the groundwater resources. Climatic factors such as temperature, precipitation, and wind significantly influence the paths of contaminate dispersal. In arid/semi-arid regions, high temperature forms fine-grained efflorescence salts on tailings or exposed surficial mines which are carried away by strong winds/water and contaminates the surroundings. In wet regions, the leaching of heavy metals from both tailings and overburden rocks sulfides results in environmental contamination. The application of impermeable layers is highly recommended. The climatic factors (temperature, wind, and precipitation) significantly control the dispersal and mobility of heavy metals in Cu mining region. The implementation of waste management policies and pollution control technologies is recommended after considering the climatic factors.
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Affiliation(s)
- Anita Punia
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India.
- Department of Civil Engineering, Indian Institute of Technology, Guwahati, Assam, 781039, India.
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20
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Gil-Jiménez E, de Lucas M, Ferrer M. Metalliferous Mining Pollution and Its Impact on Terrestrial and Semi-terrestrial Vertebrates: A Review. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 256:1-69. [PMID: 34724574 DOI: 10.1007/398_2021_65] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Metalliferous mining, a major source of metals and metalloids, has severe potential environmental impacts. However, the number of papers published in international peer-reviewed journals seems to be low regarding its effects in terrestrial wildlife. To the best of our knowledge, our review is the first on this topic. We used 186 studies published in scientific journals concerning metalliferous mining or mining spill pollution and their effects on terrestrial and semi-terrestrial vertebrates. We identified the working status of the mine complexes studied, the different biomarkers of exposure and effect used, and the studied taxa. Most studies (128) were developed in former mine sites and 46 in active mining areas. Additionally, although several mining accidents have occurred throughout the world, all papers about effects on terrestrial vertebrates from mining spillages were from Aznalcóllar (Spain). We also observed a lack of studies in some countries with a prominent mining industry. Despite >50% of the studies used some biomarker of effect, 42% of them only assessed exposure by measuring metal content in internal tissues or by non-invasive sampling, without considering the effect in their populations. Most studied species were birds and small mammals, with a negligible representation of reptiles and amphibians. The information gathered in this review could be helpful for future studies and protocols on the topic and it facilitates a database with valuable information on risk assessment of metalliferous mining pollution.
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Affiliation(s)
| | - Manuela de Lucas
- Applied Ecology Group, Department of Ethology and Biodiversity Conservation, Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas (CSIC), Seville, Spain
| | - Miguel Ferrer
- Applied Ecology Group, Department of Ethology and Biodiversity Conservation, Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas (CSIC), Seville, Spain
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21
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Sebei A, Chaabani A, Abdelmalek-Babbou C, Helali MA, Dhahri F, Chaabani F. Evaluation of pollution by heavy metals of an abandoned Pb-Zn mine in northern Tunisia using sequential fractionation and geostatistical mapping. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:43942-43957. [PMID: 32748358 DOI: 10.1007/s11356-020-10101-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 07/10/2020] [Indexed: 06/11/2023]
Abstract
This study investigates the contents of lead, zinc, and cadmium in 109 near-surface soil samples collected around the abandoned mine of Fedj Lahdoum, northern Tunisia, to assess the risk of pollution they generate. The study involved some analytical procedures such as pH measurements, X-ray diffraction techniques, sequential fractionation, and geostatistical mapping using the ordinary Kriging techniques. The sequential fractionation revealed that the bioavailability of Pb, Zn, and Cd follows the orders F5 > F3 » F4 > F2 » F1, F5 > F3 » F4 » F2 > F1 and F5 > F2 » F4 > F1, respectively; their associations with organic matter and residual sulfides (F4) are relatively low. However, their high cumulated contents are dominantly associated with the residual (F5) and reducible (F3) fractions. The geostatistical mapping was endeavored to predict the spatial distribution of the studied heavy metals at unsampled sites and to produce a cumulated risk map of soil pollution. The latter is discussed with emphasis of the main factors responsible for the scattering of the pollution as much as the landscape conditions, the chemical composition of the mine tailings, the surface drainage of meteoric water and the wind. This study provides insight into the delineation of the spatial spreading of Pb, Zn, and Cd around the abandoned mine Fedj Lahdoum and their surrounding urban areas. It reveals that the mine infrastructure areas encompassing both extraction and processing and tailing deposition areas are the main sources of contamination. And the landscape conditions together with the surface drainage of meteoric water and the wind are the main factors responsible for the scattering of the pollution.
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Affiliation(s)
- Abdelaziz Sebei
- Laboratory of Mineral Resources and Environment, Department of Geology, Faculty of Sciences of Tunis, University of Tunis El Manar, 2092 El Manar II, Tunis, Tunisia.
| | - Anis Chaabani
- Department of Hydrology and Water Resources Management, Faculty of Meteorology, Environment and Arid Land Agriculture, Abdulaziz University, Jeddah, Saudi Arabia
| | - Chiraz Abdelmalek-Babbou
- Laboratory of Mineral Resources and Environment, Department of Geology, Faculty of Sciences of Tunis, University of Tunis El Manar, 2092 El Manar II, Tunis, Tunisia
| | - Mohamed Amine Helali
- Laboratory of Mineral Resources and Environment, Department of Geology, Faculty of Sciences of Tunis, University of Tunis El Manar, 2092 El Manar II, Tunis, Tunisia
- Faculty of Sciences of Gafsa, University of Gafsa, Gafsa, Tunisia
| | - Ferid Dhahri
- Laboratoiry of Geodynamics, Georesources and Geodnumeric, Department of Geology, Faculty of Sciences of Tunis, University of Tunis El Manar, 2092 El Manar II, Tunis, Tunisia
- Faculty of Sciences of Gafsa, University of Gafsa, Gafsa, Tunisia
| | - Fredj Chaabani
- Laboratory of Mineral Resources and Environment, Department of Geology, Faculty of Sciences of Tunis, University of Tunis El Manar, 2092 El Manar II, Tunis, Tunisia
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Salem MA, Bedade DK, Al-Ethawi L, Al-Waleed SM. Assessment of physiochemical properties and concentration of heavy metals in agricultural soils fertilized with chemical fertilizers. Heliyon 2020; 6:e05224. [PMID: 33102850 PMCID: PMC7575851 DOI: 10.1016/j.heliyon.2020.e05224] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 03/30/2020] [Accepted: 10/08/2020] [Indexed: 11/16/2022] Open
Abstract
The present study aim to assess the effect of phosphate and urea fertilizers on the physicochemical properties, pH and electrical conductivity (EC) of the soil. The effect of these fertilizers on cation exchange capacity (CEC), organic matter (OM), and the possibility of contamination with heavy metals (HM) (Cr, Cu, Cd, Mn, Zn, Ni, Fe, and Pb) were studied on the soils of Alshati agricultural project at different seasons after forty years of fertilization. Uncultivated soil samples were also analyzed for comparison and considered as reference. Mean values of soil pH, EC, CEC, and OM ranged between 6.88-7.32, 0.14–0.26 μS/cm, 2.95–4.19 Cmol/kg and 0.49–0.53%, respectively, in all seasons. Concentrations of HMs were 9.50–38.38, 0.0–2.05, 0.0–0.47, 0.0–29.81, 0.0–13.85, 2.83–25.95 and 104–512.20 mg/kg respectively, for Cr, Cu, Cd, Mn, Zn, Ni and Fe. The concentrations of the HMs in the soil were found to be vary significantly with the seasons (winter, spring, summer, and autumn). However, no traces of Pb was found in the soil samples. The result showed a significant correlation between, pH, EC, CEC, OM and HM content of the soil. The geochemical index of contamination shows that there was no contamination with Cu, Cd, Zn, Pb, Cr, Mn, Ni, and Fe.
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Affiliation(s)
- Mansour A Salem
- Environmental Sciences Department, Faculty of Engineering and Technology Sciences, Sebha University, Libya
| | - Dattatray K Bedade
- Food Engineering and Technology Department, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga (E), Mumbai, 400 019, India
| | - Latif Al-Ethawi
- Environmental Sciences Department, College of Energy and Environment Science, University of Alkarkh, Iraq
| | - Samira M Al-Waleed
- Environmental Sciences Department, Faculty of Engineering and Technology Sciences, Sebha University, Libya
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Gil-Jiménez E, Mateo R, de Lucas M, Ferrer M. Feathers and hair as tools for non-destructive pollution exposure assessment in a mining site of the Iberian Pyrite Belt. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 263:114523. [PMID: 32298936 DOI: 10.1016/j.envpol.2020.114523] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 03/30/2020] [Accepted: 04/01/2020] [Indexed: 06/11/2023]
Abstract
Mining is responsible of releasing trace elements to the environment with potential negative effects on wildlife. Traditionally, wildlife exposure assessment has been developed by analyzing mainly environmental compartments or internal tissues. Nowadays, the use of non-destructive matrices such as hair or feathers has increased. Nevertheless, its use in free-living terrestrial mammals or in birds other than raptors or passerines is less frequent. The main objective of our study was to determine the potential for hair and feathers in a rabbit and bird species to be used as non-invasive proxy tissues for assessing internal metal concentrations at polluted sites from mining. We tested whether hair of European rabbit (Oryctolagus cuniculus) and feathers of red-legged partridge (Alectoris rufa) can be used as non-destructive biological monitoring tools of both essential (Cu, Zn) and non-essential (Pb, Cd, As) trace elements in a currently active copper mining site. We found significant different concentrations, particularly in non-essential elements, between reference area and mining site. Non-essential elements Pb and Cd showed higher correlations between tissues and hair/feathers, while few significant patterns were observed for essential elements such as Cu and Zn. Although feathers showed lower levels of correlation with internal tissues than hair, both could be useful as non-destructive biological monitoring tools. Further tissues, and more importantly, hair and feathers allowed discrimination between polluted and reference sites to indicate bioavailability and pollution status. In addition, hair and feathers can be used in monitoring pollution of an active mining site, being specially interesting for biomonitoring a certain period of time in the event of a particular episode of pollution, in addition to the chronic exposure. As occurred with hair in rabbits, feathers seem to be a good compartment to detect differences between a potential polluted area, such the surrounding of an active mine site, and a non-polluted area.
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Affiliation(s)
| | - Rafael Mateo
- Instituto de Investigación en Recursos Cinegéticos (IREC - CSIC, UCLM, JCCM), Ronda de Toledo 12, 13005, Ciudad Real, Spain.
| | - Manuela de Lucas
- Applied Ecology Group, Department of Ethology and Biodiversity Conservation, Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas (CSIC), Avda. Americo Vespucio, 26, 41092, Seville, Spain.
| | - Miguel Ferrer
- Applied Ecology Group, Department of Ethology and Biodiversity Conservation, Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas (CSIC), Avda. Americo Vespucio, 26, 41092, Seville, Spain.
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Oguntade OA, Adegbuyi AA, Nassir AL, Olagunju SO, Salami WA, Adewale RO. Geoassessment of heavy metals in rural and urban floodplain soils: health implications for consumers of Celosia argentea and Corchorus olitorius vegetables in Sagamu, Nigeria. ENVIRONMENTAL MONITORING AND ASSESSMENT 2020; 192:164. [PMID: 32025899 DOI: 10.1007/s10661-020-8077-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 01/08/2020] [Indexed: 06/10/2023]
Abstract
Vegetable gardening in floodplains in western Nigeria has assumed economic significance but with attendant pressure on urban field in the dry season. This study assessed soil properties and bioconcentration of cadmium (Cd), iron (Fe) and lead (Pb), in edible parts of Celosia argentea and Corchorus olitorius grown in floodplains. Soil and vegetable samples were collected at 20 m intervals from rural (Atoyo and Ewuga) and urban (GRA Rd. and Lafarge) floodplain gardens in Sagamu. Six samples were collected per location making a total of 24 samples each of soil and vegetable. Samples were analyzed for soil properties and heavy metal concentration in the vegetables. Transfer factor (TF), contamination factor (CF), daily intake of metals (DIM), health risk index (HRI) and geoaccumulation index (Igeo) were also determined. Soil properties varied significantly, with the highest soil concentration of Cd (0.91 mg kg-1) and Fe (208.20 mg kg-1) recorded at Lafarge. The highest soil Pb (223.77 mg kg-1) was at Atoyo. Bioaccumulation of Fe was significantly (p ≤ 0.05) higher in C. argentea than C. olitorius. Heavy metal bioaccumulation beyond allowable limits was recorded for Cd (0.46 mg kg-1) and Pb (49.30 mg kg-1) by C. argentea and C. olitorius, respectively. Soil contamination was dominated by Cd at Lafarge and by Pb at Atoyo. The DIM and HRI indices indicated no risk of Cd, Fe and Pb consumption in the vegetables. Geoaccumulation index revealed that Lafarge and Atoyo soils were extremely contaminated with Cd and Pb, respectively. Leafy vegetables grown in urban and rural floodplain soils adjacent to waste dumpsite are accumulators of Cd and Pb with food poisoning as the consequence.
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Affiliation(s)
- Oladele A Oguntade
- Department of Crop Production, College of Agricultural Sciences, Olabisi Onabanjo University, P.M.B. 0012, Ayetoro Campus, Ayetoro, Ogun State, Nigeria.
| | - Adetutu A Adegbuyi
- Department of Crop Production, College of Agricultural Sciences, Olabisi Onabanjo University, P.M.B. 0012, Ayetoro Campus, Ayetoro, Ogun State, Nigeria
| | - Adesola L Nassir
- Department of Crop Production, College of Agricultural Sciences, Olabisi Onabanjo University, P.M.B. 0012, Ayetoro Campus, Ayetoro, Ogun State, Nigeria
| | - Solomon O Olagunju
- Department of Crop Production, College of Agricultural Sciences, Olabisi Onabanjo University, P.M.B. 0012, Ayetoro Campus, Ayetoro, Ogun State, Nigeria
| | - Waheed A Salami
- Department of Fisheries, Forestry and Wildlife, College of Agricultural Sciences, Olabisi Onabanjo University, P.M.B. 0012, Ayetoro Campus, Ayetoro, Ogun State, Nigeria
| | - Rilwan O Adewale
- Department of Fisheries, Forestry and Wildlife, College of Agricultural Sciences, Olabisi Onabanjo University, P.M.B. 0012, Ayetoro Campus, Ayetoro, Ogun State, Nigeria
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Mirzaei M, Marofi S, Solgi E, Abbasi M, Karimi R, Riyahi Bakhtyari HR. Ecological and health risks of soil and grape heavy metals in long-term fertilized vineyards (Chaharmahal and Bakhtiari province of Iran). ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2020; 42:27-43. [PMID: 30721388 DOI: 10.1007/s10653-019-00242-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 01/04/2019] [Indexed: 06/09/2023]
Abstract
Heavy metal pollution in food-producing ecosystems resulting from long-term fertilizing and other agricultural practices is causing major concern due to its health risk potential for human and other organisms. This study was designed to investigate heavy metal concentrations (Cu, Zn, Pb, Cr and Cd) and assess their ecological risk using contamination factor (Cf), pollution load index (PLI) and ecological risk index. Health risk assessment (HRA) was also estimated by investigating non-carcinogenic and carcinogenic risks of soil via oral ingestion, dermal contact, inhalation, and health risk of grape consumption. To this aim, 38 fertilized vineyards of the region were investigated during harvesting seasons of 2016 and 2017. The results showed a same ranking order of the metals in the soil and grape that was Zn > Cu > Pb > Cr > Cd. The average concentrations of Zn and Pb in the grape samples were significantly higher than the national permissible limits. According to Cf and PLI indices, Cd had the most ecological risk compared to the other studied metals. The HRA results showed that adults and children are not exposed to non-carcinogenic risk from the studied heavy metals in the vineyard soils. But, it was a tolerable level of carcinogenic health risk only by Cr in some of the vineyards. The PLI had most significant correlation (p < 0.01) with the other studied indices. So, it can be considered as a rapid and applicable index to assess ecological and health risk of heavy metals in the region. To food-chain security and community health, some comprehensive managing plans are necessary to increase farmer's awareness about the standard amount of chemical fertilizers and pesticides. Furthermore, continuous monitoring of heavy metals in soil and grape of the vineyards should be performed.
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Affiliation(s)
- Mohsen Mirzaei
- Grape Environmental Science Department, Research Institute for Grapes and Raisin (RIGR), Malayer University, Malayer, Islamic Republic of Iran
| | - Safar Marofi
- Grape Environmental Science Department, Research Institute for Grapes and Raisin (RIGR), Malayer University, Malayer, Islamic Republic of Iran.
- Water Engineering Department, Bu-Ali Sina University, Hamedan, Islamic Republic of Iran.
| | - Eisa Solgi
- Faculty of Natural Resource and Environment, Malayer University, Malayer, Islamic Republic of Iran
| | - Mozhgan Abbasi
- Faculty of Natural Resource and Earth Science, University of Shahre-Kord, Shahre-kord, Islamic Republic of Iran
| | - Roohollah Karimi
- Green Space Design Group, Faculty of Agriculture, Malayer University, Malayer, Islamic Republic of Iran
| | - Hamid Reza Riyahi Bakhtyari
- Faculty of Natural Resource and Earth Science, University of Shahre-Kord, Shahre-kord, Islamic Republic of Iran
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Davodpour R, Sobhanardakani S, Cheraghi M, Abdi N, Lorestani B. Honeybees (Apis mellifera L.) as a Potential Bioindicator for Detection of Toxic and Essential Elements in the Environment (Case Study: Markazi Province, Iran). ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2019; 77:344-358. [PMID: 31020373 DOI: 10.1007/s00244-019-00634-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Accepted: 04/17/2019] [Indexed: 06/09/2023]
Abstract
Honeybees, due to their wide-ranging foraging behaviour, have great potentials for monitoring environmental quality. Therefore, the purpose of this study was to use honeybees as bioindicators for the detection of toxic and essential metals (Cd, Cr, Cu, and Fe) in the environment. Totally, 180 soil, plant (including root and aerial part), honeybees, and honey samples were collected from 12 sites within the main beekeeping and honey production regions in Markazi Province, Iran in 2016. After acid digestion of samples, the metal concentrations were measured by inductively coupled plasma-optical emission spectrometers. The translocation factor (TF), and bioconcentration factor (BCF) of metals were computed. The results showed that among the analyzed bee samples, Cd (mg kg-1) was detected in amounts ranging from 0.01 to 2.35, Cr (mg kg-1) ranged from 0.02 to 18.10, Cu (mg kg-1) ranged from 2.00 to 39.11, and Fe (mg kg-1) ranged from 163 to 1695. BCF and TF values obtained showed that the Astragalus gossypinus would have a great accumulation ability for Cd and Cr. The results indicated that honeybees could be used to detect the spatial patterns of metal contaminations in the environment they dwell in.
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Affiliation(s)
- Rezvan Davodpour
- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
| | - Soheil Sobhanardakani
- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran.
| | - Mehrdad Cheraghi
- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
| | - Nourollah Abdi
- Department of the Rangeland and Watershed, College of Agricultural Sciences, Arak Branch, Islamic Azad University, Arak, Iran
| | - Bahareh Lorestani
- Department of the Environment, College of Basic Sciences, Hamedan Branch, Islamic Azad University, Hamedan, Iran
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Zhen J, Pei T, Xie S. Kriging methods with auxiliary nighttime lights data to detect potentially toxic metals concentrations in soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 659:363-371. [PMID: 30599355 DOI: 10.1016/j.scitotenv.2018.12.330] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 12/20/2018] [Accepted: 12/21/2018] [Indexed: 06/09/2023]
Abstract
The spatial distribution of potentially toxic metals (PTMs) has been shown to be related to anthropogenic activities. Several auxiliary variables, such as those related to remote sensing data (e.g. digital elevation models, land use, and enhanced vegetation index) and soil properties (e.g. pH, soil type and cation exchange capacity), have been used to predict the spatial distribution of soil PTMs. However, these variables are mostly focused on natural processes or a single aspect of anthropogenic activities and cannot reflect the effects of integrated anthropogenic activities. Nighttime lights (NTL) images, a representative variable of integrated anthropogenic activities, may have the potential to reflect PTMs distribution. To uncover this relationship and determine the effects on evaluation precision, the NTL was employed as an auxiliary variable to map the distribution of PTMs in the United Kingdom. In this study, areas with a digital number (DN) ≥ 50 and an area > 30 km2 were extracted from NTL images to represent regions of high-frequency anthropogenic activities. Subsequently, the distance between the sampling points and the nearest extracted area was calculated. Barium, lead, zinc, copper, and nickel concentrations exhibited the highest correlation with this distance. Their concentrations were mapped using distance as an auxiliary variable through three different kriging methods, i.e., ordinary kriging (OK), cokriging (CK), and regression kriging (RK). The accuracy of the predictions was evaluated using the leave-one-out cross validation method. Regardless of the elements, CK and RK always exhibited lower mean absolute error and root mean square error, in contrast to OK. This indicates that using the NTL as the auxiliary variable indeed enhanced the prediction accuracy for the relevant PTMs. Additionally, RK showed superior results in most cases. Hence, we recommend RK for prediction of PTMs when using the NTL as the auxiliary variable.
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Affiliation(s)
- Jinchun Zhen
- State Key Laboratory of Resources and Environmental Information System, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; State Key Laboratory of Geological Processes and Mineral Resources(GPMR), Faculty of Earth Sciences, China University of Geosciences, Wuhan, 430074, China
| | - Tao Pei
- State Key Laboratory of Resources and Environmental Information System, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Shuyun Xie
- State Key Laboratory of Geological Processes and Mineral Resources(GPMR), Faculty of Earth Sciences, China University of Geosciences, Wuhan, 430074, China
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Mandal R, Kaur S. Impact of environmental pollution on trace elements in vegetables and associated potential risk to human health in industrial town Mandi-gobindgarh (India). CHEMOSPHERE 2019; 219:574-587. [PMID: 30554046 DOI: 10.1016/j.chemosphere.2018.12.034] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 12/01/2018] [Accepted: 12/05/2018] [Indexed: 06/09/2023]
Abstract
Present study was chosen to elucidate the role of Environmental Pollution in the contamination of vegetables with trace elements in Mandi-gobindgarh (India) and associated potential risk to human health. Total 14 vegetable types including leafy vegetables (Brassica, Metha, Coriander, Spinach, Cabbage), fruit vegetables (Brinjal, Cauliflower, Bottle-gourd, Tomato, Green chilli) and root vegetables (Radish, Carrot, Turnip, Potato) were collected from Mandi-gobindgarh and analyzed for Zn, Cu, Mn, Mo, Ni, Se and Fe on WD-XRF. Results showed more than permissible limits of Zn (23.60-137.60 mg/kg), Cu (20.30-251.60 mg/kg), Mo (5.50-213.60 mg/kg), Se (8.33-11.20 mg/kg) and Fe (21.60-452.70 mg/kg) whereas lower contents of Mn (10.70-112.30 mg/kg) and Ni (6.50-12.00 mg/kg) in the vegetables. Daily intakes calculated for Zn, Mn, Ni and Fe in children and adults were less than their RDA/AI/UL (except Mn and Fe in leafy vegetables). However, daily intakes of Cu, Mo and Se were found higher than their RDA except Cu in few vegetables. Hazard quotients (HQs) calculated in children and adults were more than 1 (HQ > 1) for Cu, Mo and Se whereas less than 1 (HQ < 1) for Zn, Mn, Ni and Fe. Hazard Index (HI) in children and adults was observed more than one in 11 vegetable types with maximum contamination in Tomato and minimum in Coriander except Radish and Carrot (uncontaminated vegetables). It was concluded that Environmental Pollution in Mandi-gobindgarh has increased the metal contents of Zn, Cu, Mo, Se and Fe in the vegetables but health risks in children and adults were evaluated due to higher Cu, Mo and Se contents in the vegetables.
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Affiliation(s)
- Reshu Mandal
- Department of Zoology, Panjab University, Chandigarh, U.T, India.
| | - Sukhbir Kaur
- Department of Zoology, Panjab University, Chandigarh, U.T, India.
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Proshad R, Kormoker T, Islam S. Distribution, source identification, ecological and health risks of heavy metals in surface sediments of the Rupsa River, Bangladesh. TOXIN REV 2019. [DOI: 10.1080/15569543.2018.1564143] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Ram Proshad
- Department of Soil Science, Patuakhali Science and Technology University, Dumki, Patuakhali, Bangladesh
| | - Tapos Kormoker
- Department of Emergency Management, Patuakhali Science and Technology University, Dumki, Patuakhali, Bangladesh
| | - Saiful Islam
- Department of Soil Science, Patuakhali Science and Technology University, Dumki, Patuakhali, Bangladesh
- Graduate School of Environment and Information Sciences, Yokohama National University, Yokohama, Kanagawa, Japan
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Doabi SA, Karami M, Afyuni M, Yeganeh M. Pollution and health risk assessment of heavy metals in agricultural soil, atmospheric dust and major food crops in Kermanshah province, Iran. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 163:153-164. [PMID: 30053585 DOI: 10.1016/j.ecoenv.2018.07.057] [Citation(s) in RCA: 124] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Revised: 07/03/2018] [Accepted: 07/14/2018] [Indexed: 05/28/2023]
Abstract
A total of 167 samples of agricultural soil, atmospheric dust and food crops (wheat and maize) were collected, and four heavy metals, including Zn, Cu, Ni, and Cr, were analyzed for their concentrations, pollution levels and human health risks. The mean heavy metal contents in the agricultural soil and atmospheric dust were exceeds background values and lower than their IEQS (Iranian Environmental Quality Standard) with an exception of Ni. A pollution assessment by Geo-accumulation Index (Igeo) showed that the pollution levels were in the order of Ni> Cu> Cr> Zn for agricultural soils and Ni> Cu> Zn> Cr for atmospheric dust. The Ni levels can be considered "moderately to heavily contaminated" status. The human health risk assessment indicated that non-carcinogenic values were below the threshold values (1), and main exposure pathway of heavy metals to both children and adults are ingestion. The carcinogenic risks values for Ni and Cr were higher than the safe value (1 × 10-6), suggesting that all receptors (especially wheat) in Kermanshah province might have significant and acceptable potential health risk because of exposure to Ni and Cr. The carcinogenic risk for children and adults has a descending order of Ni> Cr, except for wheat. These results provide basic information on heavy metal contamination control and human health risk assessment management in the Kermanshah province.
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Affiliation(s)
- Shahab Ahmadi Doabi
- Department of Soil Science, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Mahin Karami
- Department of Soil Science, Faculty of Agriculture, Razi University, Kermanshah 6715685438, Iran
| | - Majid Afyuni
- Department of Soil Science, College of Agriculture, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Mojgan Yeganeh
- Soil and Water Research Institute (SWRI), Agricultural Research Education and Extension Organization, Karaj 31785-311, Iran
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Gabarrón M, Babur O, Soriano-Disla JM, Faz A, Acosta JA. Composition and risk assessment of roasted pyrite ash from fertiliser production. CHEMOSPHERE 2018; 209:277-285. [PMID: 29933164 DOI: 10.1016/j.chemosphere.2018.06.109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 06/13/2018] [Accepted: 06/15/2018] [Indexed: 06/08/2023]
Abstract
Pyrite ash is a residue from the roasting of pyrite ores to obtain sulphuric acid used in the fertiliser industry and its production is widely extended worldwide. The mismanagement of this waste may result in environmental and health damages due to its physico-chemical characteristics. The main objective of this study was to examine the physico-chemical and mineralogical composition of roasted pyrite ash from an abandoned fertiliser company, and to evaluate the environmental risk caused by the wind and water dispersion of metals posed by this waste. In order to achieve these objectives, a sequential extraction procedure and a physical fractionation into six size fractions: >100, 100-50, 50-20, 20-10, 10-2.5 and < 2.5 μm were applied. Results showed that pyrite ash is composed mainly of iron-oxides such as hematite (46%) and secondary minerals as anglesite and shows high concentrations of Pb (7464 mg kg-1), Zn (2663 mg kg-1) and Cu (585 mg kg-1). The highest Risk Assessment Code (RAC) values were found for Cd, Pb and Zn, bound to the more labile fractions. Conversely, Pb showed the lowest water solubility due to the covering effect provided by a coating of anglesite in the pyrite ash surface. Most of the metals were associated to both the coarsest (>100 μm) and the finest (2.5-10 μm) fractions, although none represented an environmental risk according to the ecological risk index results. However, 30% of the metals were bound to the respirable fraction (≤100 μm) posing a potential risk for human health and a high potential dispersion by wind to the surrounding areas.
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Affiliation(s)
- M Gabarrón
- Sustainable Use, Management, and Reclamation of Soil and Water Research Group, Technical University of Cartagena, Paseo Alfonso XIII, 48, 30203, Cartagena, Murcia, Spain.
| | - O Babur
- Internationale Umwelttechnik, Hochschule Bremen, Neustadtswall 30, 28199 Bremen, Germany
| | - J M Soriano-Disla
- Sustainable Use, Management, and Reclamation of Soil and Water Research Group, Technical University of Cartagena, Paseo Alfonso XIII, 48, 30203, Cartagena, Murcia, Spain
| | - A Faz
- Sustainable Use, Management, and Reclamation of Soil and Water Research Group, Technical University of Cartagena, Paseo Alfonso XIII, 48, 30203, Cartagena, Murcia, Spain
| | - J A Acosta
- Sustainable Use, Management, and Reclamation of Soil and Water Research Group, Technical University of Cartagena, Paseo Alfonso XIII, 48, 30203, Cartagena, Murcia, Spain
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Lynch SFL, Batty LC, Byrne P. Environmental risk of severely Pb-contaminated riverbank sediment as a consequence of hydrometeorological perturbation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 636:1428-1441. [PMID: 29913603 DOI: 10.1016/j.scitotenv.2018.04.368] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 04/18/2018] [Accepted: 04/26/2018] [Indexed: 06/08/2023]
Abstract
Metal mining activities have resulted in the widespread metal pollution of soils and sediments and are a worldwide health concern. Pb is often prolific in metal-mining impacted systems and has acute and chronic toxic effects. Environmental factors controlling diffuse pollution from contaminated riverbank sediment are currently seen as a "black box" from a process perspective. This limits our ability to accurately predict and model releases of dissolved Pb. Previous work by the authors uncovered key mechanisms responsible for the mobilisation of dissolved Zn. The current study identifies key mechanisms controlling the mobilisation of dissolved Pb, and the environmental risk these releases pose, in response to various sequences of "riverbank" inundation/drainage. Mesocosm experiments designed to mimic the riverbank environment were run using sediment severely contaminated with Pb, from a mining-impacted site. Results indicated that, although Pb is generally reported as less mobile than Zn, high concentrations of dissolved Pb are released in response to longer or more frequent flood events. Furthermore, the geochemical mechanisms of release for Zn and Pb were different. For Zn, mechanisms were related to reductive dissolution of Mn (hydr)oxides with higher concentrations released, at depth, over prolonged flood periods. For Pb, key mechanisms of release were related to the solubility of anglesite and the oxidation of primary mineral galena, where periodic drainage events serve to keep sediments oxic, particularly at the surface. The results are concerning because climate projections for the UK indicate a rise in the occurrence of localized heavy rainfall events that could increase flood frequency and/or duration. This study is unique in that it is the first to uncover key mechanisms responsible for dissolved Pb mobilisation from riverbank sediments. The mineralogy at the mining-impacted site is common to many sites worldwide and it is likely the mechanisms identified in this study are widespread.
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Affiliation(s)
- S F L Lynch
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
| | - L C Batty
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
| | - P Byrne
- School of Natural Sciences and Psychology, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, UK.
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Zhang Y, Li S, Chen Z, Wang F, Chen J, Wang L. A systemic ecological risk assessment based on spatial distribution and source apportionment in the abandoned lead acid battery plant zone, China. JOURNAL OF HAZARDOUS MATERIALS 2018; 354:170-179. [PMID: 29751173 DOI: 10.1016/j.jhazmat.2018.04.054] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 04/08/2018] [Accepted: 04/22/2018] [Indexed: 05/17/2023]
Abstract
In China, potential heavy metal hazard around abandoned lead-acid battery plant (ALBP) area has been a great concern but without detailed report. The distribution and sources of heavy metals in soils and so by risk assessment associated with ALBP are conducted in this contribution, based on geographies and statistics. Pb and Zn are quantitively identified to be still emitted from ALBP soil, and Cd as well As are from agricultural activity. We investigate vertical metal distribution, and fortunately find that metals migrate within limit of 40 cm below topsoil, which is higher than groundwater table. The visualized stable depths are Zn 40 cm, Pb, As 20 cm, and Cd 40 cm. The mapped pollution load index (PLI) suggests a high pollution level exists in ALBP soil. The estimation of potential ecological risk index (PERI) indicates a light ecological risk in studied area, while As and Cd mainly from agricultural activity possess 54% of total Eri. Health risk index (THI) is 0.178 for children, indicating non-cancer risks may be ignored in observed area. Though calculated risk is temporarily affordable, soil remediation and reduction of agricultural chemical reagents are recommended for preventing potential cumulative risk from further bioconcentration of heavy metals.
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Affiliation(s)
- Yimei Zhang
- College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, China; Laboratory of Environment Remediation and Function Material, Suzhou Research Academy of North China Electric Power University, Suzhou, Jiangsu 215213, China.
| | - Shuai Li
- Laboratory of Environment Remediation and Function Material, Suzhou Research Academy of North China Electric Power University, Suzhou, Jiangsu 215213, China
| | - Zhuang Chen
- Laboratory of Environment Remediation and Function Material, Suzhou Research Academy of North China Electric Power University, Suzhou, Jiangsu 215213, China
| | - Fei Wang
- Laboratory of Environment Remediation and Function Material, Suzhou Research Academy of North China Electric Power University, Suzhou, Jiangsu 215213, China
| | - Jie Chen
- Su zhou University of science and technology, Suzhou, Jiangsu, 215026, China
| | - Liqun Wang
- College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, China
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34
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Potential Sources of Anthropogenic Copper Inputs to European Agricultural Soils. SUSTAINABILITY 2018. [DOI: 10.3390/su10072380] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In the European Union (EU), copper concentration in agricultural soil stems from anthropogenic activities and natural sources (soil and geology). This manuscript reports a statistical comparison of copper concentrations at different levels of administrative units, with a focus on agricultural areas. Anthropogenic sources of diffuse copper contamination include fungicidal treatments, liquid manure (mainly from pigs), sewage sludge, atmospheric deposition, mining activities, local industrial contamination and particles from car brakes. Sales of fungicides in the EU are around 158,000 tonnes annually, a large proportion of which are copper based and used extensively in vineyards and orchards. Around 10 million tonnes of sewage sludge is treated annually in the EU, and 40% of this (which has a high copper content) is used as fertilizer in agriculture. In the EU, 150 million pigs consume more than 6.2 million tonnes of copper through additives in their feed, and most of their liquid manure ends up in agricultural soil. These three sources (sales of fungicides, sewage sludge and copper consumption for pigs feed) depend much on local traditional farming practices. Recent research towards replacing copper spraying in vineyards and policy developments on applying sewage and controlling the feed given to pigs are expected to reduce copper accumulation in agricultural soil.
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Afolayan AO. Accumulation of Heavy Metals from Battery Waste in Topsoil, Surface Water, and Garden Grown Maize at Omilende Area, Olodo, Nigeria. GLOBAL CHALLENGES (HOBOKEN, NJ) 2018; 2:1700090. [PMID: 31565324 PMCID: PMC6607236 DOI: 10.1002/gch2.201700090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 11/13/2017] [Indexed: 05/07/2023]
Abstract
Land pollution is a threat to sustainable agricultural development and food security in developing countries. Consumption of farm products from contaminated areas can generate health hazards to the diverse consumers along the food chain through the different pollutants in the products. This study is designed to determine the accumulation of Pb, Cd, and Fe in topsoil, surface water, and maize leaf, stem, grains, and root, cultivated in a garden nearby Ori-Ile battery waste dumpsite, Omilende Area, Olodo, Nigeria. Soil samples, garden maize parts, and surface water samples are collected from the study area using standard procedures. Corresponding reference samples are collected from Moor Plantation, Ibadan. All collected samples are analysed for Pb, Cd, and Fe concentrations. Mean Pb, Cd, and Fe concentrations in topsoil are found to be significantly higher than 157.0 ± 39.8, 2.2 ± 1.2, and 976.3 ± 353.9 mg kg-1, respectively, which are obtained from reference soil and National Environmental Standards and Regulations Enforcement Agency limits (Pb: 164 mg kg-1 and Cd: 50 mg kg-1). The soil contamination factor values obtained are greater than 6, indicating severe pollution. Downstream has the highest Pb, Cd, and Fe concentrations. In maize parts, the root has the highest concentration of Pb (40.95 ± 1.98 mg L-1) and Cd (2.84 ± 0.19 mg L-1), which are significantly higher (p ≤ 0.05) than those from the reference site. A high concentration of heavy metals found in topsoil further bio-accumulates in maize parts. Consequently, this garden maize is unfit for consumption.
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Affiliation(s)
- Adedotun Onoyinka Afolayan
- Tissue Culture/Biotechnology UnitNational Centre for Genetic Resources and BiotechnologyP.M.B. 5382, Moor PlantationIbadanOyo State+234‐02Nigeria
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Prabphal J, Vilaivan T, Praneenararat T. Fabrication of a Paper‐Based Turn‐Off Fluorescence Sensor for Cu
2+
Ion from a Pyridinium Porphyrin. ChemistrySelect 2018. [DOI: 10.1002/slct.201702382] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Jutamat Prabphal
- The Chemical Approaches for Food Applications Research GroupFaculty of ScienceChulalongkorn University Phayathai Rd., Pathumwan Bangkok 10330 Thailand
- Department of ChemistryFaculty of ScienceChulalongkorn University Phayathai Rd., Pathumwan Bangkok 10330 Thailand
| | - Tirayut Vilaivan
- Department of ChemistryFaculty of ScienceChulalongkorn University Phayathai Rd., Pathumwan Bangkok 10330 Thailand
| | - Thanit Praneenararat
- The Chemical Approaches for Food Applications Research GroupFaculty of ScienceChulalongkorn University Phayathai Rd., Pathumwan Bangkok 10330 Thailand
- Department of ChemistryFaculty of ScienceChulalongkorn University Phayathai Rd., Pathumwan Bangkok 10330 Thailand
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37
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Zuo J, Fan W, Wang X, Ren J, Zhang Y, Wang X, Zhang Y, Yu T, Li X. Trophic transfer of Cu, Zn, Cd, and Cr, and biomarker response for food webs in Taihu Lake, China. RSC Adv 2018; 8:3410-3417. [PMID: 35542949 PMCID: PMC9077756 DOI: 10.1039/c7ra11677b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 01/11/2018] [Indexed: 11/21/2022] Open
Abstract
Water, sediments, and aquatic organism samples were collected from Taihu Lake in China. Four types of typical heavy metal (Cu, Zn, Cd, and Cr) were analyzed to evaluate their concentrations and trophic transfer in food webs. The stable nitrogen isotope δ15N was used to investigate the trophic interactions. The concentrations of Cd and Zn in the sediments of Taihu Lake exceeded Level I of the China National Quality Standards for Soil. Zn accumulation was identified to increase with the trophic level. The bioconcentration of the four heavy metals in aquatic organisms was evident, with the invertebrates showing the highest bioconcentration factor in the food webs. Several biomarkers were investigated, including metallothionein (MT), malondialdehyde, and Na+/K+-adenosine triphosphatase activity. A positive correlation relationship was found between the MT content and heavy metal accumulation in organism tissues. Samples were analyzed from Taihu Lake, the bioconcentration of metals was evident and MTs were used to monitor the heavy metal pollution.![]()
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Affiliation(s)
- Jinxing Zuo
- School of Space and Environment
- Beihang University
- Beijing 100191
- PR China
| | - Wenhong Fan
- School of Space and Environment
- Beihang University
- Beijing 100191
- PR China
| | - Xiaolong Wang
- School of Space and Environment
- Beihang University
- Beijing 100191
- PR China
| | - Jinqian Ren
- School of Space and Environment
- Beihang University
- Beijing 100191
- PR China
| | - YiLin Zhang
- School of Space and Environment
- Beihang University
- Beijing 100191
- PR China
| | - Xiangrui Wang
- School of Space and Environment
- Beihang University
- Beijing 100191
- PR China
| | - Yuan Zhang
- Chinese Research Academy of Environmental Sciences
- Beijing 100012
- PR China
| | - Tao Yu
- Chinese Research Academy of Environmental Sciences
- Beijing 100012
- PR China
| | - Xiaomin Li
- School of Space and Environment
- Beihang University
- Beijing 100191
- PR China
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38
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Złoch M, Kowalkowski T, Tyburski J, Hrynkiewicz K. Modeling of phytoextraction efficiency of microbially stimulated Salix dasyclados L. in the soils with different speciation of heavy metals. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2017; 19:1150-1164. [PMID: 28532161 DOI: 10.1080/15226514.2017.1328396] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Bioaugmentation of soils with selected microorganisms during phytoextraction can be the key solution for successful bioremediation and should be accurately calculated for different physicochemical soil properties and heavy metal availability to guarantee the universality of this method. Equally important is the development of an accurate prediction tool to manage phytoremediation process. The main objective of this study was to evaluate the role of three metallotolerant siderophore-producing Streptomyces sp. B1-B3 strains in the phytoremediation of heavy metals with the use of S. dasyclados L. growing in four metalliferrous soils as well as modeling the efficiency of this process based on physicochemical and microbiological properties of the soils using artificial neural network (ANN) analysis. The bacterial inoculation of plants significantly stimulated plant biomass and reduced oxidative stress. Moreover, the bacteria affected the speciation of heavy metals and finally their mobility, thereby enhancing the uptake and bioaccumulation of Zn, Cd, and Pb in the biomass. The best capacity for phytoextraction was noted for strain B1, which had the highest siderophore secretion ability. Finally, ANN model permitted to predict efficiency of phytoextraction based on both the physicochemical properties of the soils and the activity of the soil microbiota with high precision.
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Affiliation(s)
- Michał Złoch
- a Department of Microbiology , Faculty of Biology and Environmental Protection, Nicolaus Copernicus University , Torun , Poland
- b Department of Environmental Chemistry and Bioanalytics , Faculty of Chemistry, Nicolaus Copernicus University , Torun , Poland
- d Interdisciplinary Centre of Modern Technologies , Nicolaus Copernicus University , Torun , Poland
| | - Tomasz Kowalkowski
- b Department of Environmental Chemistry and Bioanalytics , Faculty of Chemistry, Nicolaus Copernicus University , Torun , Poland
- d Interdisciplinary Centre of Modern Technologies , Nicolaus Copernicus University , Torun , Poland
| | - Jarosław Tyburski
- c Plant Physiology and Biotechnology , Faculty of Biology and Environmental Protection, Nicolaus Copernicus University , Torun , Poland
- d Interdisciplinary Centre of Modern Technologies , Nicolaus Copernicus University , Torun , Poland
| | - Katarzyna Hrynkiewicz
- a Department of Microbiology , Faculty of Biology and Environmental Protection, Nicolaus Copernicus University , Torun , Poland
- d Interdisciplinary Centre of Modern Technologies , Nicolaus Copernicus University , Torun , Poland
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39
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Heavy metal contamination in surface water and sediment of the Meghna River, Bangladesh. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.enmm.2017.10.003] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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40
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Khan MA, Khan S, Khan A, Alam M. Soil contamination with cadmium, consequences and remediation using organic amendments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 601-602:1591-1605. [PMID: 28609847 DOI: 10.1016/j.scitotenv.2017.06.030] [Citation(s) in RCA: 265] [Impact Index Per Article: 37.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 06/02/2017] [Accepted: 06/04/2017] [Indexed: 05/08/2023]
Abstract
Cadmium (Cd) contamination of soil and food crops is a ubiquitous environmental problem that has resulted from uncontrolled industrialization, unsustainable urbanization and intensive agricultural practices. Being a toxic element, Cd poses high threats to soil quality, food safety, and human health. Land is the ultimate source of waste disposal and utilization therefore, Cd released from different sources (natural and anthropogenic), eventually reaches soil, and then subsequently bio-accumulates in food crops. The stabilization of Cd in contaminated soil using organic amendments is an environmentally friendly and cost effective technique used for remediation of moderate to high contaminated soil. Globally, substantial amounts of organic waste are generated every day that can be used as a source of nutrients, and also as conditioners to improve soil quality. This review paper focuses on the sources, generation, and use of different organic amendments to remediate Cd contaminated soil, discusses their effects on soil physical and chemical properties, Cd bioavailability, plant uptake, and human health risk. Moreover, it also provides an update of the most relevant findings about the application of organic amendments to remediate Cd contaminated soil and associated mechanisms. Finally, future research needs and directions for the remediation of Cd contaminated soil using organic amendments are discussed.
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Affiliation(s)
- Muhammad Amjad Khan
- Department of Environmental Sciences, University of Peshawar, Peshawar 25120, Pakistan
| | - Sardar Khan
- Department of Environmental Sciences, University of Peshawar, Peshawar 25120, Pakistan; Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China.
| | - Anwarzeb Khan
- Department of Environmental Sciences, University of Peshawar, Peshawar 25120, Pakistan
| | - Mehboob Alam
- Department of Horticulture, University of Agriculture, Peshawar, Pakistan
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41
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Bhuyan MS, Bakar MA. Seasonal variation of heavy metals in water and sediments in the Halda River, Chittagong, Bangladesh. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:27587-27600. [PMID: 28980109 DOI: 10.1007/s11356-017-0204-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 09/12/2017] [Indexed: 05/24/2023]
Abstract
The present study was carried out to assess the contamination levels of heavy metals (Pb, Cd, Cr, Cu, Hg, Al, Ni, Co, Zn, Mn) in surface water and sediment of the Halda River. The observed order of heavy metal concentration in water for Al > Ni > Zn > Mn > Cu > Cd > Pb > Cr > Co > Hg (mg/l) and for sediments Al > Mn > Zn > Ni > Cr > Pb > Cu > Co > Cd > Hg (mg/kg), respectively. The concentrations of Pb, Cd, Cr, Cu, Hg, Al, Ni, Co, Zn, and Mn in water, whereas in sediment Pb, Cu, Al, Ni, Co, Zn, and Mn were found above the permissible limit (WHO 2004; USEPA 2006; EPA 1986, 2002 and ECR 1997). Significant variations in the concentrations of Al and Ni were found in water (p < 0.05) while Cr, Cu, Pb, Co, Mn, and Ni showed substantial changes in sediment (p < 0.05). Principal component analysis (PCA) and correlation matrix revealed anthropogenic intrusions of Pb, Cd, Cr, Cu, Hg, Al, Ni, Co, Zn, and Mn in water and sediment. In case of water, very strong linear relationship was found in Hg vs Pb (0.941), Mn vs Zn (0.939), and Ni vs Cu (0.922) at the significance level 0.01. In sediment, very strong linear relationships were found in Mn vs Cr (0.999), Co vs Ni (0.999), Ni vs Cu (0.994), Zn vs Pb (0.993), Co vs Cu (0.992), Cu vs Cr (0.990), Mn vs Cu (0.989), Mn vs Ni (0.975), Mn vs Co (0.975), Ni vs Cr (0.974), Co vs Cr (0.972), Mn vs Pb (0.951), Cr vs Pb (0.948), Zn vs Cr (0.944), and Mn vs Zn (0.941) at the significance level 0.01 which direct that their common origin entirely from industrial effluents, municipal wastes, and agricultural activities. The study shows that seasonal water flows/water discharge (pre-monsoon, monsoon, and post-monsoon) have an impact on the mobility of metals. Elevated levels of metals were detected during monsoon in sediments (Pb, Cr, Cu, Al, Ni, Co, Zn, Mn) and post-monsoon in water (Cd, Hg, Ni, Co, Mn). The detection of high-risk metals in the Halda River may demonstrate that metals can cause significant effects on fry and fingerlings of the Gangetic carp fishery and prawn fishery (via sub-lethal and lethal effects and bioaccumulation or secondary poisoning of metals to fish and prawn).
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Affiliation(s)
- Md Simul Bhuyan
- Institute of Marine Sciences and Fisheries, University of Chittagong, Chittagong, Bangladesh.
| | - Muhammad Abu Bakar
- Bangladesh Council of Scientific and Industrial Research, Chittagong, Bangladesh
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42
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Selenium and Other Trace Element Mobility in Waste Products and Weathered Sediments at Parys Mountain Copper Mine, Anglesey, UK. MINERALS 2017. [DOI: 10.3390/min7110229] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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43
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44
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Zhao X, Gao B, Xu D, Gao L, Yin S. Heavy metal pollution in sediments of the largest reservoir (Three Gorges Reservoir) in China: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:20844-20858. [PMID: 28815359 DOI: 10.1007/s11356-017-9874-8] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 07/31/2017] [Indexed: 05/16/2023]
Abstract
The Three Gorges Dam in China is the world's largest dam. Upon its completion in 2003, the Three Gorges Reservoir (TGR) became the largest reservoir in China and plays an important role in economic development and national drinking water safety. However, as a sink and source of heavy metals, there is a lack of continuous and comparative data on heavy metal pollution in sediments. This study reviewed all available literatures published on heavy metals in TGR sediments and further provided a comprehensive assessment of the pollution tendency of these heavy metals. The results showed that heavy metal concentrations in TGR sediments varied spatially and temporally. Temporal variations indicated that Hg in tributaries, as well as As, Cd, Cr, Cu, Ni, Pb, and Zn in the mainstream, exhibited a higher probability to exceed background values after the impoundment of TGR. Pollution assessments by contamination factor, geoaccumulation index, and potential ecological risk were similar. High Cd and Hg concentrations in both the mainstream and tributaries are a cause for much concern. However, sediment quality guidelines produced different results, as most previous studies adopted different sampling and measurement strategies. The data inconsistencies and lack of continuity regarding the reservoir confirm the need for a continuous monitoring network and the development of quality criteria relevant to the sediments of the TGR in the future.
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Affiliation(s)
- Xingjuan Zhao
- State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Bo Gao
- State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China.
- Department of Water Environment, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China.
| | - Dongyu Xu
- Department of Water Environment, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China
| | - Li Gao
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Shuhua Yin
- Department of Water Environment, China Institute of Water Resources and Hydropower Research, Beijing, 100038, China
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45
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Measuring Spatial Distribution Characteristics of Heavy Metal Contaminations in a Network-Constrained Environment: A Case Study in River Network of Daye, China. SUSTAINABILITY 2017. [DOI: 10.3390/su9060986] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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46
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[Water resource quality as related to economic activity and health patterns in Sonora, Mexico]. Salud Colect 2017; 12:397-414. [PMID: 28414850 DOI: 10.18294/sc.2016.811] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Accepted: 05/04/2016] [Indexed: 11/24/2022] Open
Abstract
The aim of this work is to analyze the spatial distribution of potential pollution pathways of water resources given the economic activity in the Mexican border state of Sonora and propose a regional distribution in relation to cancer mortality rates across the state. The methodology is based in an exploratory and inferential data analysis using two sources of primary data: wastewater discharge concessions registered in the Public Registry on Water Rights [Registro Público de Derechos de Agua] (REPDA) and the records generated by the National Health Information System [Sistema Nacional de Información en Salud] (SINAIS) in the period 1998-2011 based on the International Classification of Disease (ICD-10). The spatial concentration analysis allows for the identification of specific cancer mortality causes at the regional level. Results indicate that the projected adjustments to the regulation NOM-250-SSA1-2014, which controls a subset of pollutants common in mining activity surroundings, is a matter of regional concern.
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47
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Juel MAI, Mizan A, Ahmed T. Sustainable use of tannery sludge in brick manufacturing in Bangladesh. WASTE MANAGEMENT (NEW YORK, N.Y.) 2017; 60:259-269. [PMID: 28081994 DOI: 10.1016/j.wasman.2016.12.041] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 12/03/2016] [Accepted: 12/29/2016] [Indexed: 06/06/2023]
Abstract
Chromium-rich tannery sludge generated from tanneries has the potential to become a serious environmental burden in Bangladesh and a promising avenue for disposal of this sludge is by stabilizing it in clay brick products. But for sustainable industrial application of such technique it needs to be ensured first that the engineering properties of bricks as a building material are not diminished by addition of sludge, the process becomes energy efficient compared to alternatives and the use of such bricks do not pose any harmful environmental effects in the long run. In this study, clay bricks were prepared with different proportions of sludge (10%, 20%, 30% and 40% by dry weight) in both laboratory-controlled and field conditions and their suitability as a construction material was assessed based on their strength, water absorption, shrinkage, weight-loss on ignition and bulk density. For the sludge incorporated bricks, the compressive strength ranged from 10.98MPa to 29.61MPa and water absorption ranged from 7.2% to 20.9%, which in most cases met both the Bangladesh and ASTM criteria for bricks as a construction material. Volumetric shrinkage, weight loss and efflorescence properties of sludge-amended bricks were found to be favorable and it was estimated that an energy saving of 15-47% could potentially be achieved during firing with 10-40% tannery sludge-amended bricks. The quality of sludge-amended bricks made in the brick kiln was relatively inferior compared to bricks produced in the laboratory due to operating in a less-controlled environment with respect to maintaining adequate compaction and optimum moisture content. The leaching behavior of several heavy metals (Cr, As, Cu, Ni, Cd, Pb and Zn) from sludge-amended bricks has been found to be insignificant and far below the Dutch regulations and USEPA regulatory limits. Results from this study indicate that tannery sludge can be sustainably stabilized in clay bricks and large-scale application of this technique can be envisaged in the context of Bangladesh where brick remains a dominant building material.
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Affiliation(s)
- Md Ariful Islam Juel
- Department of Leather Engineering, Khulna University of Engineering and Technology, Khulna 9203, Bangladesh.
| | - Al Mizan
- Leather Research Institute, Bangladesh Council of Scientific and Industrial Research, Dhaka 1000, Bangladesh
| | - Tanvir Ahmed
- Department of Civil Engineering, Bangladesh University of Engineering and Technology, Dhaka 1000, Bangladesh
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Khan ZI, Ahmad K, Rehman S, Siddique S, Bashir H, Zafar A, Sohail M, Ali SA, Cazzato E, De Mastro G. Health risk assessment of heavy metals in wheat using different water qualities: implication for human health. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:947-955. [PMID: 27761866 DOI: 10.1007/s11356-016-7865-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 10/07/2016] [Indexed: 06/06/2023]
Abstract
In the recent years, the use of sewage water for irrigation has attracted the attention of arid and semi-arid countries where the availability of fresh water is poor. Despite the potential use of sewage water in crop irrigation as effective and sustainable strategy, the environmental and human risks behind this use need to be deeply investigated. In this regard, an experiment was carried out under field conditions in Nursery, University College of Agriculture Sargodha, to evaluate the possible health risks of undesirable metals in wheat grains. Wheat variety Sarang was cultivated and irrigated with different combinations of ground (GW) and sewage water (SW). The concentrations of heavy metals (Cr, Cd, Ni, and Pb) and trace elements (Cu, Zn, and Fe) in wheat grains as well as in soil were determined. Moreover, the pollution load index (PLI), accumulation factor (AF), daily intake of metals (DIM), and health risk index (HRI) were calculated. Results showed that the concentration trend of heavy metals was Pb<Cr<Cu<Ni<Cd<Zn<Fe and Cr<Cu<Pb<Cd<Ni<Fe<Zn in soil and wheat, respectively. Among metals, Cd concentration in wheat exceeded the permissible limits regardless water quality, whereas Pb concentration in grain was within the acceptable levels as suggested by World Health Organization, when 100 % of SW was used for irrigation. Similar observation was reported for Cd concentration in the soil when wheat was irrigated with 100 % SW. In comparison to soil, the edible part of wheat presented lower concentration of all studied metals, except for Zn which was much higher compared to the tested soil samples. The higher concentration of Zn was responsible for increasing the DIM of Zn where, in average, the highest value was reported, particularly in 75 % SW treatment. This was reflected also in HRI where the maximum value was reported for Zinc under the same treatment. Higher value of HRI for wheat cultivated on polluted soils suggested that appropriate management of cultivated area is necessary for food safety and thus for public health. The results are expected to create awareness among the public on the safety of consuming food products grown in particular areas.
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Affiliation(s)
- Zafar Iqbal Khan
- Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Kafeel Ahmad
- Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Sidrah Rehman
- Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Samra Siddique
- Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Humayun Bashir
- Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Asma Zafar
- Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Muhammad Sohail
- Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Salem Alhajj Ali
- Department of Agricultural and Environmental Sciences, University of Bari, Bari, Italy
| | - Eugenio Cazzato
- Department of Agricultural and Environmental Sciences, University of Bari, Bari, Italy.
| | - Giuseppe De Mastro
- Department of Agricultural and Environmental Sciences, University of Bari, Bari, Italy
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Wang C, Yang Z, Zhong C, Ji J. Temporal-spatial variation and source apportionment of soil heavy metals in the representative river-alluviation depositional system. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 216:18-26. [PMID: 27232453 DOI: 10.1016/j.envpol.2016.05.037] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 05/10/2016] [Accepted: 05/16/2016] [Indexed: 06/05/2023]
Abstract
The contributions of major driving forces on temporal changes of heavy metals in the soil in a representative river-alluviation area at the lower of Yangtze River were successfully quantified by combining geostatistics analysis with the modified principal component scores & multiple linear regressions approach (PCS-MLR). The results showed that the temporal (2003-2014) changes of Cu, Zn, Ni and Cr presented a similar spatial distribution pattern, whereas the Cd and Hg showed the distinctive patterns. The temporal changes of soil Cu, Zn, Ni and Cr may be predominated by the emission of the shipbuilding industry, whereas the significant changes of Cd and Hg were possibly predominated by the geochemical and geographical processes, such as the erosion of the Yangtze River water and leaching because of soil acidification. The emission of metal-bearing shipbuilding industry contributed an estimated 74%-83% of the changes in concentrations of Cu, Zn, Ni and Cr, whereas the geochemical and geographical processes may contribute 58% of change of Cd in the soil and 59% of decrease of Hg.
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Affiliation(s)
- Cheng Wang
- Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, 210044, China; Key Laboratory of Surficial Geochemistry, Ministry of Education, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210093, China.
| | - Zhongfang Yang
- School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China
| | - Cong Zhong
- Key Laboratory of Beibu Gulf Environment Change and Resources Use (Guangxi Teachers Education University), Ministry of Education, Guangxi Key Laboratory of Earth Surface Processes and Intelligent Simulation (Guangxi Teachers Education University), Nanning Guangxi 530001, China
| | - Junfeng Ji
- Key Laboratory of Surficial Geochemistry, Ministry of Education, School of Earth Sciences and Engineering, Nanjing University, Nanjing 210093, China
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Mariet AL, de Vaufleury A, Bégeot C, Walter-Simonnet AV, Gimbert F. Palaeo-pollution from mining activities in the Vosges Mountains: 1000 years and still bioavailable. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 214:575-584. [PMID: 27131817 DOI: 10.1016/j.envpol.2016.04.073] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 04/18/2016] [Accepted: 04/20/2016] [Indexed: 06/05/2023]
Abstract
Mining and smelting activities have contaminated the environment with trace metals (TMs) at a worldwide scale for at least two millennia. A combination of chemical approaches and active biomonitoring was performed to analyse the environmental availability and bioavailability of TM palaeo-pollution in a former PbAg mining district in the Vosges Mountains, France. Along a soil TM contamination gradient that covered eight stations, including two archaeological mining sites, the toxicokinetics of six TMs (Pb, Cd, As, Ag, Co, Sb) in the snail Cantareus aspersus revealed that palaeo-pollution from the studied sites remains bioavailable. This study provides the first data on the accumulation kinetics of Ag and Co for C. aspersus. The environmental availability of the TMs was estimated with three chemical extraction methods (aqua regia, EDTA 50 mM, CaCl2 10 mM). Univariate regression analyses showed that EDTA extraction is the best method for estimating the bioavailability of Pb, As, Ag, Co and Sb to snails. None of the three extractants was efficient for Cd. A multivariate analysis of bioaccumulation data revealed that TM bioavailability and transfer were modulated by exposure sources (soil, humus and vegetation) rather than by soil physico-chemical characteristics. Hence, although the deposition of mining wastes dates back several centuries, these wastes still represent a source of contamination that must be considered to develop relevant site management and environmental risk assessment.
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Affiliation(s)
- Anne-Lise Mariet
- Department of Chrono-Environment, University of Bourgogne Franche-Comté, UMR UFC/CNRS 6249 USC INRA, 16 route de Gray, F-25030 Besançon Cedex, France
| | - Annette de Vaufleury
- Department of Chrono-Environment, University of Bourgogne Franche-Comté, UMR UFC/CNRS 6249 USC INRA, 16 route de Gray, F-25030 Besançon Cedex, France
| | - Carole Bégeot
- Department of Chrono-Environment, University of Bourgogne Franche-Comté, UMR UFC/CNRS 6249 USC INRA, 16 route de Gray, F-25030 Besançon Cedex, France
| | - Anne-Véronique Walter-Simonnet
- Department of Chrono-Environment, University of Bourgogne Franche-Comté, UMR UFC/CNRS 6249 USC INRA, 16 route de Gray, F-25030 Besançon Cedex, France
| | - Frédéric Gimbert
- Department of Chrono-Environment, University of Bourgogne Franche-Comté, UMR UFC/CNRS 6249 USC INRA, 16 route de Gray, F-25030 Besançon Cedex, France.
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