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Talukdar P, Baruah A, Bhuyan SJ, Boruah S, Borah P, Bora C, Basumatary B. Costus speciosus (Koen ex. Retz.) Sm.: a suitable plant species for remediation of crude oil and mercury-contaminated soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:31843-31861. [PMID: 38639901 DOI: 10.1007/s11356-024-33376-w] [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: 11/28/2023] [Accepted: 04/13/2024] [Indexed: 04/20/2024]
Abstract
The aim of this study was to evaluate the efficiency of Costus speciosus (Koen ex. Retz.) Sm. in the degradation of crude oil and reduction of mercury (Hg) from the contaminated soil in pot experiments in the net house for 180 days. C. speciosus was transplanted in soil containing 19150 mg kg-1 crude oil and 3.2 mg kg-1 Hg. The study includes the evaluation of plant biomass, height, root length, total petroleum hydrocarbon (TPH) degradation, and Hg reduction in soil, TPH, and Hg accumulation in plants grown in fertilized and unfertilized pots, chlorophyll production, and rhizospheric most probable number (MPN) at 60-day interval. The average biomass production and heights of C. speciosus in contaminated treatments were significantly (p < 0.05) lower compared to the unvegetated control. Plants grown in contaminated soil showed relatively reduced root surface area compared to the uncontaminated treatments. TPH degradation in planted fertilized, unplanted, and planted unfertilized pot was 63%, 0.8%, and 38%, respectively. However, compared to unvegetated treatments, TPH degradation was significantly higher (p < 0.05) in vegetated treatments. A comparison of fertilized and unfertilized soils showed that TPH accumulation in plant roots and shoots was relatively higher in fertilized soils. Hg degradation in soil was significantly (p < 0.05) more in planted treatment compared to unplanted treatments. The fertilized soil showed relatively more Hg degradation in soil and its accumulation in roots and shoots of plants in comparison to unfertilized soil. MPN in treatments with plants was significantly greater (p < 0.05) than without plants. The plant's ability to produce biomass, chlorophyll, break down crude oil, reduce Hg levels in soil, and accumulate TPH and Hg in roots and shoots of the plant all point to the possibility of using this plant to remove TPH and Hg from soil.
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Affiliation(s)
- Parismita Talukdar
- Plant Ecology Laboratory, Department of Botany, North Lakhimpur College (Autonomous), Khelmati, 787031, Lakhimpur, Assam, India
| | - Aryan Baruah
- Plant Ecology Laboratory, Department of Botany, North Lakhimpur College (Autonomous), Khelmati, 787031, Lakhimpur, Assam, India
| | - Sameer Jyoti Bhuyan
- Plant Ecology Laboratory, Department of Botany, North Lakhimpur College (Autonomous), Khelmati, 787031, Lakhimpur, Assam, India
| | - Swati Boruah
- Plant Ecology Laboratory, Department of Botany, North Lakhimpur College (Autonomous), Khelmati, 787031, Lakhimpur, Assam, India
| | - Pujashree Borah
- Plant Ecology Laboratory, Department of Botany, North Lakhimpur College (Autonomous), Khelmati, 787031, Lakhimpur, Assam, India
| | - Chittaranjan Bora
- Plant Ecology Laboratory, Department of Botany, North Lakhimpur College (Autonomous), Khelmati, 787031, Lakhimpur, Assam, India
| | - Budhadev Basumatary
- Plant Ecology Laboratory, Department of Botany, North Lakhimpur College (Autonomous), Khelmati, 787031, Lakhimpur, Assam, India.
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Chen Y, Wu X, Lin Z, Teng D, Zhao Y, Chen S, Hu X. Screening of cadmium resistant bacteria and their growth promotion of Sorghum bicolor (L.) Moench under cadmium stress. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 272:116012. [PMID: 38290308 DOI: 10.1016/j.ecoenv.2024.116012] [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: 05/09/2023] [Revised: 09/26/2023] [Accepted: 01/21/2024] [Indexed: 02/01/2024]
Abstract
Heavy metal pollution of agricultural soils, especially from cadmium (Cd) contaminationcaused serious problems in both food security and economy. Sorghum bicolor (L.) showed a great potential in phytoremediation of Cd contamination due to its fast growth, high yield and easy harvesting. However, the growth of S. bicolor plants tends to be inhibited under Cd exposure, which limited its application for Cd remediation. Plant growth-promoting rhizobacteria may enhance the Cd resistance of S. bicolor and thus improve its Cd removal efficiency. In this study, three Cd-resistant bacteria were screened based on Cd and acid tolerance and identified as Bacillus velezensis QZG6, Enterobacter cloacae QZS3 and Bacillus cereus QZS8, by 16S rRNA sequencing. Inoculation of hydroponic plants with strains QZG6, QZS3 or QZS8 significantly promoted the biomass of sorghum plants by 31.52%, 50.20% and 26.93%, respectively, compared with those of uninoculated plants under Cd exposure. The activity of SOD, POD and MDA content in Cd-stressed S. bicolor plants were reduced of 65.74%, 31.52%, and 80.91%, respectively, when inoculated with the strains QZS3. For pot experiment, strains QZG6, QZS3 and QZS8 significantly promoted the biomass of sorghum plants by 47.30%, 19.27% and 58.47%, compared with those of uninoculated plants under Cd exposure. The activity of SOD, POD and MDA content in Cd-stressed S. bicolor plants were reduced of 67.20%, 22.40%, and 40.65%, respectively, when inoculated with the strains QZS3. All these three strains significantly increased the Cd removal efficiency of the plants by 42.16% (QZG6), 18.76% (QZS3) and 21.06% (QZS8). To investigate the bacterial characteristics associated with growth promotion of S. bicolor plants, the ability on nitrogen fixation, phosphorus solubilization, siderophores production, and phytohormones production were determined. All the strains were able to fix nitrogen. Phosphorus release was observed for strains QZG6 (inorganic or organic phosphorus) and QZS3 (inorganic phosphorus). Both QZG6 and QZS8 were able to produce siderophores, while only QZG6 was positive for ACC deaminase. All the strains produced IAA, SA and GA. These results indicated that the three strains promoted the plant growth under Cd stress, probably through Cd detoxification by siderophores, as well as through growth regulation by N/P nutrient supply and phytohormone. The present study showed a great potential of the three Cd-resistant strains combined with S. bicolor plants in the remediation of Cd-polluted soils, which may provide a new insight into combining the advantages of microbes and plants to improve the remediation of Cd-contaminated soils.
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Affiliation(s)
- Ying Chen
- Key Laboratory of Plant Secondary Metabolism and Regulation of Zhejiang Province, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xinlin Wu
- Key Laboratory of Plant Secondary Metabolism and Regulation of Zhejiang Province, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Zhengxin Lin
- Key Laboratory of Plant Secondary Metabolism and Regulation of Zhejiang Province, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Dezheng Teng
- Key Laboratory of Plant Secondary Metabolism and Regulation of Zhejiang Province, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Yaming Zhao
- Key Laboratory of Plant Secondary Metabolism and Regulation of Zhejiang Province, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Shaoning Chen
- Key Laboratory of Plant Secondary Metabolism and Regulation of Zhejiang Province, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China.
| | - Xiufang Hu
- Key Laboratory of Plant Secondary Metabolism and Regulation of Zhejiang Province, College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, China.
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Zhang K, Liu F, Zhang H, Duan Y, Luo J, Sun X, Wang M, Ye D, Wang M, Zhu Z, Li D. Trends in phytoremediation of heavy metals-contaminated soils: A Web of science and CiteSpace bibliometric analysis. CHEMOSPHERE 2024; 352:141293. [PMID: 38280645 DOI: 10.1016/j.chemosphere.2024.141293] [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: 10/05/2023] [Revised: 01/21/2024] [Accepted: 01/22/2024] [Indexed: 01/29/2024]
Abstract
Heavy metals pollution in soils is an urgent environmental issue worldwide. Phytoremediation is a green and eco-friendly way of remediating heavy metals. However, a systematic overview of this field is limited, and little is known about future development trends. Therefore, we used CiteSpace software to conduct bibliometric and visual analyses of published literature in the field of phytoremediation of heavy metals in soils from the Web of Science core collection and identified research hotspots and development trends in this field. Researchers are paying increased attention to phytoremediation of heavy metals in soils, especially environmental researchers. A total of 121 countries or regions, 3790 institutions, 4091 funded organisations and 15,482 authors have participated in research in this area. China, India, and Pakistan are the largest contributors. There has been extensive cooperation between countries, institutions, and authors worldwide, but there is a lack of cooperation among top authors. 'Calcareous soil', 'Co-contaminated soil' and 'Metal availability' are the most intensively investigated topics. 'EDTA', 'Plant growth-promoting Rhizobacteria', 'Photosynthesis', 'Biochar' and 'Phytoextraction' are research hotspots in this field. In addition, more and more researchers are beginning to pay attention to research on co-contaminated soil, metal availability, chelating agents, and microbial-assisted phytoremediation. In summary, bibliometric, and visual analyses in the field of phytoremediation of heavy metals in soils identifies probable directions for future research and provides a resource through which to better understand this rapidly advancing subject.
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Affiliation(s)
- Kailu Zhang
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, China
| | - Fan Liu
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, China
| | - Haixiang Zhang
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, China
| | - Yali Duan
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, China
| | - Jialiang Luo
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, China
| | - Xiaoyan Sun
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, China
| | - Meng Wang
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, China
| | - Dandan Ye
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, China
| | - Miaomiao Wang
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, China
| | - Zhiqiang Zhu
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, China.
| | - Dong Li
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, China.
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Wang C, Deng L, Zhang Y, Zhao M, Liang M, Lee LC, Cristhian CO, Yang L, He T. Farmland phytoremediation in bibliometric analysis. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119971. [PMID: 38169268 DOI: 10.1016/j.jenvman.2023.119971] [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: 08/13/2023] [Revised: 12/09/2023] [Accepted: 12/25/2023] [Indexed: 01/05/2024]
Abstract
Phytoremediation is an environmentally friendly, economical, and sustainable technique for restoring farmland. It can remove heavy metals and organic pollutants from the soil through the implementation of hyperaccumulator plants. In recent years, it has garnered significant interest from academic and industrial sectors. This article screened 368 research papers from the Web of Science core collection database related to farmland phytoremediation and conducted a bibliometric analysis of the domain based on CiteSpace. The paper intuitively demonstrates the most influential countries, the most productive institutions, the most contributing groups of authors, and the primary sources of farmland phytoremediation research domain. The findings additionally indicate that the research hotspots include: (1) mechanisms and principles of phytoremediation, (2) the improvement of restoration efficiency, (3) the economic, ecological, and sustainable development of phytoremediation. The exploration of plants with potential to accumulate heavy metals and produce large amounts of biomass is the research frontier within the field of farmland phytoremediation. Additionally, this bibliometric analysis can help scholars willing to work in this research field by concisely understanding the overall research field and frontiers. With the continuous improvement of phytoremediation and its combination with other remediation technologies, the future of farmland remediation will have a promising prospect.
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Affiliation(s)
- Chaoqun Wang
- School of Ecology and Environment, Ningxia University, Yinchuan, 750021, PR China.
| | - Lirong Deng
- College of Resources and Environment, Yangtze University, Wuhan, 430100, PR China.
| | - Yongxiang Zhang
- College of Resources and Environment, Yangtze University, Wuhan, 430100, PR China.
| | - Mingtao Zhao
- School of Ecology and Environment, Ningxia University, Yinchuan, 750021, PR China.
| | - Meiqi Liang
- School of Ecology and Environment, Ningxia University, Yinchuan, 750021, PR China.
| | - Lien-Chieh Lee
- School of Environmental Science and Engineering, Hubei Polytechnic University, Huangshi, 435003, PR China.
| | - Chicaiza-Ortiz Cristhian
- School of Environmental Science and Engineering, China-UK·Low-Carbon College, Shanghai Jiao Tong University, Shanghai, 200240, PR China; Biomass to Resources Group, Universidad Regional Amazónica IKIAM, Tena, Napo, 150150, Ecuador.
| | - Long Yang
- School of Ecology and Environment, Institute of Disaster Prevention, 065201, PR China.
| | - Tonghui He
- School of Ecology and Environment, Ningxia University, Yinchuan, 750021, PR China.
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Akansha J, Thakur S, Chaithanya MS, Gupta BS, Das S, Das B, Rajasekar N, Priya K. Technological and economic analysis of electrokinetic remediation of contaminated soil: A global perspective and its application in Indian scenario. Heliyon 2024; 10:e24293. [PMID: 38304840 PMCID: PMC10831613 DOI: 10.1016/j.heliyon.2024.e24293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 01/05/2024] [Accepted: 01/05/2024] [Indexed: 02/03/2024] Open
Abstract
Globally million hectares of land annually is getting contaminated by heavy metalloids like As, Cd, Cr, Hg, Pb, Co, Cu, Ni, Zn, and Se, with current concentrations in soil above geo-baseline or regulatory standards. The heavy metals are highly toxic, mobile, and persistent and hence require immediate and effective mitigation. There are many available remediation techniques like surface capping, encapsulation, landfilling, soil flushing, soil washing, electrokinetic extraction, stabilization, solidification, vitrification, phytoremediation, and bioremediation which have been evolved to clean up heavy metal-contaminated sites. Nevertheless, all of the technologies have some applicability and limitations making the soil remediation initiative unsustainable. Among the available technologies, electrokinetic remediation (EKR) has been comparatively recognized to mitigate contaminated sites via both in-situ and ex-situ approaches due to its efficiency, suitability for use in low permeability soil, and requirement of low potential gradient. The work critically analyzes the EKR concerning techno, economic, and sustainability aspect for evaluating its application on various substrates and environmental conditions. The current soil contamination status in India is presented and the application of EKR for the heavy metal remediation from soil has been evaluated. The present work summaries a comprehensive and exhaustive review on EKR technology proving its effectiveness for a country like India where the huge amount of waste generated could not be treated due to lack of infrastructure, technology, and economic constraints.
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Affiliation(s)
- J. Akansha
- Department of Environment and Water Resources Engineering, School of Civil Engineering (SCE), Vellore Institute of Technology, Katpadi, Vellore, Tamil Nadu, 632014, India
| | - Somil Thakur
- Department of Environment and Water Resources Engineering, School of Civil Engineering (SCE), Vellore Institute of Technology, Katpadi, Vellore, Tamil Nadu, 632014, India
| | - M Sai Chaithanya
- Department of Environment and Water Resources Engineering, School of Civil Engineering (SCE), Vellore Institute of Technology, Katpadi, Vellore, Tamil Nadu, 632014, India
| | - Bhaskar Sen Gupta
- School of Energy, Geoscience, Infrastructure and Society, Heriot-Watt University, Edinburgh Campus, Edinburgh, EH14 4AS, Scotland, UK
| | - Sovik Das
- Department of Civil Engineering, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Bhaskar Das
- Department of Environment and Water Resources Engineering, School of Civil Engineering (SCE), Vellore Institute of Technology, Katpadi, Vellore, Tamil Nadu, 632014, India
| | - N. Rajasekar
- Department of Energy and Power Electronics, School of Electrical Engineering, Vellore Institute of Technology, Katpadi, Vellore, Tamil Nadu, 632014, India
| | - K. Priya
- Department of Energy and Power Electronics, School of Electrical Engineering, Vellore Institute of Technology, Katpadi, Vellore, Tamil Nadu, 632014, India
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Peng H, Guo D, Peng H, Guo H, Wang H, Wang Y, Xu B, Gao A, Liu Z, Guo X. The gene AccCyclin H mitigates oxidative stress by influencing trehalose metabolism in Apis cerana cerana. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:225-234. [PMID: 37549225 DOI: 10.1002/jsfa.12900] [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: 03/10/2023] [Revised: 06/11/2023] [Accepted: 08/07/2023] [Indexed: 08/09/2023]
Abstract
BACKGROUND Environmental stress can induce oxidative stress in Apis cerana cerana, leading to cellular oxidative damage, reduced vitality, and even death. Currently, owing to an incomplete understanding of the molecular mechanisms by which A. cerana cerana resists oxidative damage, there is no available method to mitigate the risk of this type of damage. Cyclin plays an important role in cell stress resistance. The aim of this study was to explore the in vivo protection of cyclin H against oxidative damage induced by abiotic stress in A. cerana cerana and clarify the mechanism of action. We isolated and identified the AccCyclin H gene in A. cerana cerana and analysed its responses to different exogenous stresses. RESULTS The results showed that different oxidative stressors can induce or inhibit the expression of AccCyclin H. After RNA-interference-mediated AccCyclin H silencing, the activity of antioxidant-related genes and related enzymes was inhibited, and trehalose metabolism was reduced. AccCyclin H gene silencing reduced A. cerana cerana high-temperature tolerance. Exogenous trehalose supplementation enhanced the total antioxidant capacity of A. cerana cerana, reduced the accumulation of oxidants, and improved the viability of A. cerana cerana under high-temperature stress. CONCLUSION Our findings suggest that trehalose can alleviate adverse stress and that AccCyclin H may participate in oxidative stress reactions by regulating trehalose metabolism. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Hongyan Peng
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, PR China
| | - Dezheng Guo
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, PR China
| | - Hongmei Peng
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, PR China
| | - Hengjun Guo
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, PR China
| | - Hongfang Wang
- Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Shandong Agricultural University, Taian, PR China
| | - Ying Wang
- Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Shandong Agricultural University, Taian, PR China
| | - Baohua Xu
- Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Shandong Agricultural University, Taian, PR China
| | - Aiying Gao
- Taian Institute for Food and Drug Control (Taian Fiber Inspection Institute), Taian, PR China
| | - Zhenguo Liu
- Key Laboratory of Efficient Utilization of Non-grain Feed Resources (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, Shandong Agricultural University, Taian, PR China
| | - Xingqi Guo
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian, PR China
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Li Y, Zhang Y, Chen X, Liu Y, Li S, Liu H, Xu H. Enhanced cadmium phytoextraction efficiency of ryegrass (Lolium perenne L.) by porous media immobilized Enterobacter sp. TY-1. CHEMOSPHERE 2023; 337:139409. [PMID: 37406938 DOI: 10.1016/j.chemosphere.2023.139409] [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: 04/05/2023] [Revised: 06/06/2023] [Accepted: 07/01/2023] [Indexed: 07/07/2023]
Abstract
Although studies on immobilized microorganisms have been conducted, their performance remains unclear for enhancing plants to remediate cadmium (Cd)-contaminated soil. In this study, a Cd-resistant strain TY-1 with good plant growth promotion traits was immobilized by biochar (BC) or oyster shell (OS) power to strengthen ryegrass to remediate Cd-contaminated soil. SEM-EDS combined with FTIR showed that TY-1 could tolerate Cd toxicity by surface precipitation, and functional groups such as hydroxyl and carbonyl groups might be involved. In the biocomposite treatments, soil pH increased, and the activity of fertility-related enzymes such as dehydrogenase increased by 109.01%-128.01%. The relative abundance of genus Saccharimonadales decreased from 7.97% to 3.35% in BS-TY and 2.61% in OS-TY, respectively. Thus, a suitable environment for ryegrass growth was created. The fresh weight, dry weight, plant height and Cd accumulation of ryegrass in TY treatment increased by 122.92%, 114.81%, 42.08% and 8.05%, respectively, compared to the control. Cd concentration in ryegrass was further increased in BC-TY and OS-TY by 24.14% and 40.23%, respectively. The improvement in soil microcosm and plant biomass forms an ongoing virtuous cycle, demonstrating that using carrier materials to improve the efficiency of microbial-assisted phytoremediation is realistic and feasible.
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Affiliation(s)
- Yongyun Li
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China
| | - Yumei Zhang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China
| | - Xianghan Chen
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China
| | - Yikai Liu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China
| | - Shiyao Li
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China
| | - Huakang Liu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China; Key Laboratory of Environment Protection, Soil Ecological Protection and Pollution Control, Sichuan University & Department of Ecology and Environment of Sichuan, Chengdu, 610065, Sichuan, PR China.
| | - Heng Xu
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China; Key Laboratory of Environment Protection, Soil Ecological Protection and Pollution Control, Sichuan University & Department of Ecology and Environment of Sichuan, Chengdu, 610065, Sichuan, PR China.
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Tőzsér D, Horváth R, Simon E, Magura T. Heavy metal uptake by plant parts of Populus species: a meta-analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:69416-69430. [PMID: 37131011 DOI: 10.1007/s11356-023-27244-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 04/22/2023] [Indexed: 05/04/2023]
Abstract
Populus species are well documented for being potentially suitable for phytoremediation purposes regarding their accumulation characteristics. However, published results are contradictory. Based on the data gathered during an extensive literature search, we aimed to assess and revise the metal accumulation potential in the root, stem, and leaf of Populus species growing in contaminated soils, with meta-analysis. We evaluated the influences of pollution level, soil pH, and exposure time on the metal uptake patterns. We found accumulations of Cd, Cr, Cu, Pb, and Zn to be significant in each plant part, while that was only moderate for Ni, and limited for Mn. By calculating the soil pollution index (PI), we observed significantly intensive, PI-independent accumulation for Cd, Cr, Cu, Ni, Pb, and Zn. A decrease in soil pH significantly increased the uptake of Mn and significantly decreased the accumulation of Pb in the stem. Metal uptake was significantly influenced by exposure time as well; Cd concentration was significantly decreased in the stem, while concentrations of Cr in the stem and leaf, and Mn in the stem were significantly increased with time. These aforementioned findings support a well-founded metal-and-growth condition-specific application of poplars in phytoremediation processes, also triggering further in-depth assessments to enhance the efficiency of relevant poplar-based technologies.
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Affiliation(s)
- Dávid Tőzsér
- Department of Ecology, University of Debrecen, Egyetem sq. 1, Debrecen, H-4032, Hungary
- Circular Economy Analysis Center, Hungarian University of Agriculture and Life Sciences, Páter Károly str. 1, Gödöllő, H-2100, Hungary
| | - Roland Horváth
- Department of Ecology, University of Debrecen, Egyetem sq. 1, Debrecen, H-4032, Hungary.
- ELKH-DE Anthropocene Ecology Research Group, University of Debrecen, Egyetem sq. 1, Debrecen, H-4032, Hungary.
| | - Edina Simon
- Department of Ecology, University of Debrecen, Egyetem sq. 1, Debrecen, H-4032, Hungary
- ELKH-DE Anthropocene Ecology Research Group, University of Debrecen, Egyetem sq. 1, Debrecen, H-4032, Hungary
| | - Tibor Magura
- Department of Ecology, University of Debrecen, Egyetem sq. 1, Debrecen, H-4032, Hungary
- ELKH-DE Anthropocene Ecology Research Group, University of Debrecen, Egyetem sq. 1, Debrecen, H-4032, Hungary
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Zhang R, Song C, Zhao Y, Zhang G, Xie L, Wei Z, Li H. A new strategy for treating Pb 2+ and Zn 2+ pollution with industrial waste derivatives Humin. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 322:121236. [PMID: 36758929 DOI: 10.1016/j.envpol.2023.121236] [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: 11/16/2022] [Revised: 01/18/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
Metal pollution caused by industrial waste accumulation is a long-term and far-reaching problem. Humin (HM), as a highly condensed organic component insoluble in alkaline or water solution, is often discarded as humic acid industrial waste. However, the abundant active functional groups in HM reported by some researches make it possible for HM to remove metals. In this study, a waste reuse strategy was proposed to reduce the pressure of industrial metal pollution on the environment. HM was obtained from lignite waste residue. Scanning electron microscopy, energy spectrum and Fourier infrared spectroscopy, combined with the adsorption models were employed to reveal the mechanism of HM adsorption. The results showed that HM had multiple adsorption mechanism and high biological stability. The adsorption capacity of HM to Zn2+ and Pb2+ were 194.88 mg/g and 289.59 mg/g respectively. HM adsorbed Zn2+ mainly by physical multilayer adsorption. And the adsorption of Pb2+ by HM was mainly a monolayer chemical reaction, which depended on its active functional groups and the exchange of valence electrons. Notably, HM could simultaneously remove Pb2+ and Zn2+ and almost did not affect its original adsorption capacity to single ions. These results will provide a new strategy for the treatment of metal pollution in the future and alleviate the pressure of multiple metal pollution of the environment.
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Affiliation(s)
- Ruju Zhang
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin, 300387, China; College of Life Science, Northeast Agricultural University, Harbin, 150030, China
| | - Caihong Song
- College of Life Science, Liaocheng University, Liaocheng, 252000, China
| | - Yue Zhao
- College of Life Science, Northeast Agricultural University, Harbin, 150030, China
| | - Guogang Zhang
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin, 300387, China
| | - Lina Xie
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin, 300387, China
| | - Zimin Wei
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin, 300387, China; College of Life Science, Northeast Agricultural University, Harbin, 150030, China.
| | - Huiying Li
- College of Life Science, Northeast Agricultural University, Harbin, 150030, China
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10
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Guo K, Yan L, He Y, Li H, Lam SS, Peng W, Sonne C. Phytoremediation as a potential technique for vehicle hazardous pollutants around highways. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 322:121130. [PMID: 36693585 DOI: 10.1016/j.envpol.2023.121130] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 01/14/2023] [Accepted: 01/19/2023] [Indexed: 06/17/2023]
Abstract
With the synchronous development of highway construction and the urban economy, automobiles have entered thousands of households as essential means of transportation. This paper reviews the latest research progress in using phytoremediation technology to remediate the environmental pollution caused by automobile exhaust in recent years, including the prospects for stereoscopic forestry. Currently, most automobiles on the global market are internal combustion vehicles using fossil energy sources as the primary fuel, such as gasoline, diesel, and liquid or compressed natural gas. The composition of vehicle exhaust is relatively complex. When it enters the atmosphere, it is prone to a series of chemical reactions to generate various secondary pollutants, which are very harmful to human beings, plants, animals, and the eco-environment. Despite improving the automobile fuel quality and installing exhaust gas purification devices, helping to reduce air pollution, the treatment costs of these approaches are expensive and cannot achieve zero emissions of automobile exhaust pollutants. The purification of vehicle exhaust by plants is a crucial way to remediate the environmental pollution caused by automobile exhaust and improve the environment along the highway by utilizing the ecosystem's self-regulating ability. Therefore, it has become a global trend to use phytoremediation technology to restore the automobile exhaust pollution. Now, there is no scientific report or systematic review about how plants absorb vehicle pollutants. The screening and configuration of suitable plant species is the most crucial aspect of successful phytoremediation. The mechanisms of plant adsorption, metabolism, and detoxification are reviewed in this paper to address the problem of automobile exhaust pollution.
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Affiliation(s)
- Kang Guo
- Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China
| | - Lijun Yan
- Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China
| | - Yifeng He
- Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China
| | - Hanyin Li
- Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China
| | - Su Shiung Lam
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia; Center for Transdisciplinary Research, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Wanxi Peng
- Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China.
| | - Christian Sonne
- Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark; Sustainability Cluster, School of Engineering, University of Petroleum & Energy Studies, Dehradun, Uttarakhand 248007, India
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11
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Oliveira ECMD, Pires LP, Santos VSV, Caixeta ES, Bravo JVM, Pereira BB. Phytoremediation, bioaccessibility and ecotoxicological risk assessment of arsenic in a gold mining area. CHEMOSPHERE 2023; 319:138030. [PMID: 36736479 DOI: 10.1016/j.chemosphere.2023.138030] [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: 12/21/2022] [Revised: 01/29/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
The physicochemical and biological parameters of aquatic ecosystems are directly affected by mining activities, increasing the ecotoxicological risk related to exposure to contaminants and pollutants. In this study, a native and adapted floating aquatic macrophyte was used in a gold mining area as a model organism to assess the environmental risk and its potential application in bioremediation of heavy metals. The physicochemical parameters of water and sediments were evaluated, as well as the phytoremediation parameters (bioconcentration and translocation factors) of Hydrocotyle ranunculoides L. The results showed a significant bioconcentration of Cr, Pb, Cu, and Zn in the roots of the macrophyte (high BCF: As > Cu > Zn > Pb > Cr), confirming its suitability for use in rhizofiltration. Regarding arsenic bioconcentration, H. ranunculoides demonstrated a high BCF and TF > 1, indicating its phytoextraction potential, an essential requirement for plants to be used in bioremediation programs.
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Affiliation(s)
- Elida Cristina Monteiro de Oliveira
- Federal University of Uberlândia, Institute of Biotechnology, Department of Genetics and Biochemistry, Campus Umuarama, Avenida Pará, 1720, 38.400-902, Uberlândia, Minas Gerais, Brazil.
| | - Luís Paulo Pires
- Federal University of Uberlândia, Institute of Biology, Campus Umuarama, Avenida Pará, 1720, 38.400-902, Uberlândia, Minas Gerais, Brazil.
| | - Vanessa Santana Vieira Santos
- Federal University of Uberlândia, Institute of Biotechnology, Department of Genetics and Biochemistry, Campus Umuarama, Avenida Pará, 1720, 38.400-902, Uberlândia, Minas Gerais, Brazil.
| | - Evelyn Siqueira Caixeta
- Federal University of Uberlândia, Institute of Biotechnology, Department of Genetics and Biochemistry, Campus Umuarama, Avenida Pará, 1720, 38.400-902, Uberlândia, Minas Gerais, Brazil.
| | - João Vitor M Bravo
- Federal University of Uberlândia, Institute of Geography, Department of Environmental Health, Campus Santa Monica, Avenida João Naves de Ávila, 2121, 38.408-100, Uberlândia, Minas Gerais, Brazil.
| | - Boscolli Barbosa Pereira
- Federal University of Uberlândia, Institute of Biotechnology, Department of Genetics and Biochemistry, Campus Umuarama, Avenida Pará, 1720, 38.400-902, Uberlândia, Minas Gerais, Brazil; Federal University of Uberlândia, Institute of Geography, Department of Environmental Health, Campus Santa Monica, Avenida João Naves de Ávila, 2121, 38.408-100, Uberlândia, Minas Gerais, Brazil.
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12
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Fu W, Zheng X, Chen X, Wang W, Liu A, Ji J, Wang G, Guan C. The potential roles of carotenoids in enhancing phytoremediation of bisphenol A contaminated soil by promoting plant physiology and modulating rhizobacterial community of tobacco. CHEMOSPHERE 2023; 316:137807. [PMID: 36634717 DOI: 10.1016/j.chemosphere.2023.137807] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/31/2022] [Accepted: 01/08/2023] [Indexed: 06/17/2023]
Abstract
The widespread occurrence of bisphenol A (BPA), a typical endocrine-disrupting compound, poses potential threat to ecosystem and public health. Carotenoids are essential natural pigments, playing important roles in photosynthesis and antioxidant defense of plants. This study aimed to verify the value of carotenoids in enhancing plant tolerance to BPA stress and improving phytoremediation efficiency of tobacco (Nicotiana tabacum L.), through exogenous application of β-carotene (a typical carotenoid) and endogenous upregulation of carotenoids by overexpression of β-carotene hydroxylase (chyb) gene in tobacco. The results demonstrated that exogenous applied β-carotene alleviated the toxic effects of BPA exposure (100 mg kg-1) on wild-type (WT) tobacco plants after being cultivated for 40 d, reflecting by the increase of biomass (201.2%), chlorophyll content (27.5%) and the decrease of malondialdehyde (MDA) content (70.7%). Similar with the results of exogenous application of β-carotene, chyb gene overexpressing tobacco showed less phytotoxicity exposed to BPA, through enhancing photosynthetic efficiency (42.1%) and reducing reactive oxygen species (ROS) production (18%). Notably, about 94.8% BPA in contaminated soil was removed under the cultivation of transgenic tobacco for 40 d, however, only 82.7% was removed in that of WT tobacco. Moreover, transgenic tobacco is beneficial for the growth of plant roots, thus upregulating the abundance of bacteria contributing to BPA degradation or soil nutrient cycling (e.g., Proteobacteria, Acidobacteria, Actinobacteria, Sphingomonas and MND1), which might further help to enhance plant growth and improve BPA removal efficiency in soil. This study extended our understanding of the possible mechanisms of carotenoids-involved alleviation of BPA stress in tobacco, providing a novel strategy to improve phytoremediation efficiency of plants in BPA contaminated soil.
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Affiliation(s)
- Wenting Fu
- School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Xiaoyan Zheng
- School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Xiancao Chen
- School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Wenjing Wang
- School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Anran Liu
- School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Jing Ji
- School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Gang Wang
- School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China
| | - Chunfeng Guan
- School of Environmental Science and Engineering, Tianjin University, 92 Weijin Road, Tianjin, 300072, China.
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13
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Yadav KK, Gupta N, Prasad S, Malav LC, Bhutto JK, Ahmad A, Gacem A, Jeon BH, Fallatah AM, Asghar BH, Cabral-Pinto MMS, Awwad NS, Alharbi OKR, Alam M, Chaiprapat S. An eco-sustainable approach towards heavy metals remediation by mangroves from the coastal environment: A critical review. MARINE POLLUTION BULLETIN 2023; 188:114569. [PMID: 36708616 DOI: 10.1016/j.marpolbul.2022.114569] [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: 03/08/2022] [Revised: 12/27/2022] [Accepted: 12/31/2022] [Indexed: 06/18/2023]
Abstract
Mangroves provide various ecosystem services, carbon sequestration, biodiversity depository, and livelihoods. They are most abundant in marine and coastal ecosystems and are threatened by toxic contaminants like heavy metals released from various anthropogenic activities. However, they have significant potential to survive in salt-driven environments and accumulate various pollutants. The adverse effects of heavy metals have been extensively studied and recognized as toxic to mangrove species. This study sheds light on the dynamics of heavy metal levels, their absorption, accumulation and transport in the soil environment in a mangrove ecosystem. The article also focuses on the potential of mangrove species to remove heavy metals from marine and coastal environments. This review concludes that mangroves are potential candidates to clean up contaminated water, soil, and sediments through their phytoremediation ability. The accumulation of toxic heavy metals by mangroves is mainly through roots with limited upward translocation. Therefore, promoting the maintenance of biodiversity and stability in the coastal environment is recommended as an environmentally friendly and potentially cost-effective approach.
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Affiliation(s)
- Krishna Kumar Yadav
- Faculty of Science and Technology, Madhyanchal Professional University, Ratibad, Bhopal 462044, India; Department of Civil and Environmental Engineering, Faculty of Engineering, PSU Energy Systems Research Institute, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand.
| | - Neha Gupta
- Institute of Environment and Development Studies, Bundelkhand University, Jhansi 284128, India
| | - Shiv Prasad
- Division of Environment Science, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Lal Chand Malav
- ICAR-National Bureau of Soil Survey & Land Use Planning, Regional Centre, Udaipur 313001, India
| | - Javed Khan Bhutto
- Department of Electrical Engineering, College of Engineering, King Khalid University, Abha, Saudi Arabia
| | - Akil Ahmad
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Amel Gacem
- Department of Physics, Faculty of Sciences, University 20 Août 1955, Skikda 21000, Algeria
| | - Byong-Hun Jeon
- Department of Earth Resources & Environmental Engineering, Hanyang University, 222-Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Ahmed M Fallatah
- Department of Chemistry, College of Science, Taif University, Al-Haweiah, Taif 21944, Saudi Arabia
| | - Basim H Asghar
- Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Marina M S Cabral-Pinto
- Geobiotec Research Centre, Department of Geoscience, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Nasser S Awwad
- Department of Chemistry, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | | | - Manawwer Alam
- Department of Chemistry, College of Science, Kind Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Sumate Chaiprapat
- Department of Civil and Environmental Engineering, Faculty of Engineering, PSU Energy Systems Research Institute, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand.
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14
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Mahmood F, Zehra SS, Hasan M, Zafar A, Tariq T, Abdullah M, Nazir MA, Jamil M, Hassan SG, Huang X, Javed HU, Shu X. Bioinspired Cobalt Oxide Nanoball Synthesis, Characterization, and Their Potential as Metal Stress Absorbants. ACS OMEGA 2023; 8:5836-5849. [PMID: 36816675 PMCID: PMC9933469 DOI: 10.1021/acsomega.2c07545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 01/18/2023] [Indexed: 06/18/2023]
Abstract
Massive accumulation of heavy metals in agricultural land as a result of enhanced levels of toxicity in the soil is an emerging global concern. Among various metals, zinc contamination has severe effects on plant and human health through the food chain. To remove such toxicity, a nanotechnological neutralizer, cobalt oxide nanoballs (Co3O4 Nbs) were synthesized by using the extract of Cordia myxa. The Co3O4 Nbs were well characterized via UV-vis spectrophotometry, scanning electron microscopy, and X-ray diffraction techniques. Green-synthesized Co3O4 Nbs were exposed over Acacia jacquemontii and Acacia nilotica at different concentrations (25, 50, 75, and 100 ppm). Highly significant results were observed for plant growth by the application of Co3O4 Nbs at 100 ppm, thereby increasing the root length (35%), shoot length (48%), fresh weight (44%), and dry weight (40%) of the Acacia species with respect to the control. Furthermore, physiological parameters including chlorophyll contents, relative water contents, and osmolyte contents like proline and sugar showed a prominent increase. The antioxidant activity and atomic absorption supported and justified the positive response to using Co3O4 Nbs that mitigated the heavy-metal zinc stress by improving the plant growth. Hence, the biocompatible Co3O4 Nbs counteract the zinc toxicity for governing and maintaining plant growth. Such nanotechnological tools can therefore step up the cropping system and overcome toxicity to meet the productivity demand along with the development of agricultural management strategies.
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Affiliation(s)
- Faisal Mahmood
- Department
of Botany, The Islamia University, Bahawalpur63100, Pakistan
| | - Syeda Sadaf Zehra
- Department
of Botany, The Islamia University, Bahawalpur63100, Pakistan
| | - Murtaza Hasan
- Department
of Biotechnology, The Islamia University
of Bahawalpur, Bahawalpur63100, Pakistan
- School
of Chemistry and Chemical Engineering, Zhongkai
University of Agriculture and Engineering, Guangzhou510225, China
| | - Ayesha Zafar
- Department
of Biotechnology, The Islamia University
of Bahawalpur, Bahawalpur63100, Pakistan
- Department
of Biomedical Engineering, College of Future Technology, Peking University, Beijing100871, China
| | - Tuba Tariq
- Department
of Biotechnology, The Islamia University
of Bahawalpur, Bahawalpur63100, Pakistan
| | - Muhammad Abdullah
- Cholistan
Institute of Desert Studies, The Islamia
University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Muniba Anum Nazir
- Department
of Biotechnology, The Islamia University
of Bahawalpur, Bahawalpur63100, Pakistan
| | - Muhammad Jamil
- Department
of Botany, The Islamia University, Bahawalpur63100, Pakistan
| | - Shahbaz Gul Hassan
- College of
Information Science and Engineering, Zhongkai
University of Agriculture and Engineering, Guangzhou510225, China
| | - Xue Huang
- School
of Chemistry and Chemical Engineering, Zhongkai
University of Agriculture and Engineering, Guangzhou510225, China
| | - Hafiz Umer Javed
- School
of Chemistry and Chemical Engineering, Zhongkai
University of Agriculture and Engineering, Guangzhou510225, China
| | - Xugang Shu
- School
of Chemistry and Chemical Engineering, Zhongkai
University of Agriculture and Engineering, Guangzhou510225, China
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15
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Iyyappan J, Baskar G, Deepanraj B, Anand AV, Saravanan R, Awasthi MK. Promising strategies of circular bioeconomy using heavy metal phytoremediated plants - A critical review. CHEMOSPHERE 2023; 313:137097. [PMID: 36334740 DOI: 10.1016/j.chemosphere.2022.137097] [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: 07/13/2022] [Revised: 10/15/2022] [Accepted: 10/30/2022] [Indexed: 06/16/2023]
Abstract
Phytoremediation is an excellent method for removing harmful heavy metals from the environment since it is eco-friendly, uses little energy, and is inexpensive. However, as phytoremediated plants can turn into secondary sources for heavy metals, complete heavy metal removal from phytoremediated plants is necessary. Elimination of toxic heavy metals from phytoremediated plants should be considered with foremost care. This review highlights about important sources of heavy metal contamination, health effects caused by heavy metal contamination and technological breakthroughs of phytoremediation. This review critically emphasis about promising strategies to be engaged for absolute reutilization of heavy metals and spectacular approaches of production of commercially imperative products from phytoremediated plants through circular bioeconomy with key barriers. Thus, phytoremediation combined with circular bioeconomy can create a new platform for the eco-friendly life.
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Affiliation(s)
- J Iyyappan
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Saveetha Nagar, Thandalam, Chennai, 602105, Tamil Nadu, India
| | - G Baskar
- Department of Biotechnology, St. Joseph's College of Engineering, Chennai, 600119, Tamil Nadu, India.
| | - B Deepanraj
- College of Engineering, Prince Mohammad Bin Fahd University, Al Khobar, 31952, Saudi Arabia.
| | - A Vivek Anand
- Department of Aeronautical Engineering, MLR Institute of Technology, Hyderabad, Telangana, India.
| | - R Saravanan
- Departamento de Ingeniería Mecanica, Facultad de Ingeniería, Universidad de Tarapaca, Avda. General Velasquez, 1775, Arica, Chile
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Taicheng Road 3#, Yangling, Shaanxi, 712100, China
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16
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Singh PK, Shikha D, Saw S. Evaluation of potential toxic heavy metal contamination in soil, fly ash, vegetables and grain crops along with associated ecological and health risk assessment of nearby inhabitants of a thermal power station in Jharkhand (India). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:7752-7769. [PMID: 36042136 DOI: 10.1007/s11356-022-22638-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
The present study aimed to evaluate the potential toxic heavy metal (PTHM) concentrations and associated ecological and health risk of nearby inhabitants (child and adult populations) of the Bokaro thermal power station (BTPS), Jharkhand, India. The fly ash containing PTHMs is released from the thermal power plant and contaminates the soil of the nearby agricultural area, roadside area and residential area. Furthermore, PTHMs cause ecological risk as well as carcinogenic health effects in adults. Inhabitants are exposed to PTHMs through exposure pathways (for instance, direct ingestion, dermal contact and air inhalation), and PTHMs were examined in this study by calculating the estimated daily intake (EDI). The contamination factor (Cf) of Cd exceeded the threshold value throughout the study area, whereas the Cf of Hg was observed higher only in roadside soil (RSS). The geoaccumulation index (Igeo) of Cd was higher in the top soil of agricultural soil (AS) (7.39) and RSS (9.38). The level of PTHMs was monitored slightly higher in the topsoil of RSS. The ecological risk index (Eri) was detected to be the highest in RSS (1628.9). The permissible limit of Cd (0.05 mg kg-1) and Pb (0.1 mg kg-1) for all sampled vegetables and grain crops was surpassed. The transfer factor (TF) of the studied vegetables and grain crops was in the order of Cd > Cr > Pb > Hg > As. The results of the present study concluded that the hazard quotient (HQ) values for all PTHMs analysed in soil throughout the study area were < 1, which indicates that the child population was within the safe limit. However, the adult population was at a high risk of non-carcinogenic health effects due to increased permissible limits of Cd, Pb and Cr in vegetables and grain crops whereas the target carcinogenic risk (TCR) of Pb and Cr was higher and indicated that there may be a health risk of cancer in adults.
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Affiliation(s)
- Prasoon Kumar Singh
- Department of Environmental Science & Engineering, IIT (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
| | - Deep Shikha
- Department of Environmental Science & Engineering, IIT (Indian School of Mines), Dhanbad, Jharkhand, 826004, India.
| | - Shivam Saw
- Department of Environmental Science & Engineering, IIT (Indian School of Mines), Dhanbad, Jharkhand, 826004, India
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17
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Xu M, Zhang K, Wang Y, Zhang B, Mao K, Zhang H. Health Risk Assessments and Microbial Community Analyses of Groundwater from a Heavy Metal-Contaminated Site in Hezhou City, Southwest China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 20:604. [PMID: 36612924 PMCID: PMC9819039 DOI: 10.3390/ijerph20010604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/25/2022] [Accepted: 12/27/2022] [Indexed: 05/14/2023]
Abstract
In industrial site groundwater, heavy metal pollution is relatively common, causing great harm to the surrounding environment and human health. To explore the relationships between the heavy metal concentration, health risks and microbial community distribution, the groundwater from a polluted site at an abandoned processing plant in Hezhou City, China, is taken as the research object. A health risk assessment model recommended by the United States Environmental Protection Agency (US EPA) is used for the evaluation, and high-throughput sequencing technology is used to analyze the characteristics of the microbial community in the groundwater. The results show that the heavy metal pollution levels of five monitoring wells are different. The monitoring well labelled HLJ2 is polluted by Cu, Mn, Ni and Cd, and the other four monitoring wells are polluted by As and Cd to varying degrees. The carcinogenic risk values of heavy metals in the groundwater environments of the five monitoring wells are all greater than the acceptable range, and only the noncarcinogenic risk value of the HLJ2 monitoring well exceeds 1, which greatly impacts health. The risks posed by the contaminants in the site groundwater through the ingestion route of drinking water are greater than those caused by the ingestion route of skin contact. The groundwater environments of the five monitoring wells contain Proteobacteria and Patescibacteria, indicating that these two bacteria have certain tolerances to heavy metal pollution. The microbial community composition varies between the monitoring wells, suggesting that different concentrations and types of heavy metal contamination promote different types of bacterial growth. Studies have shown that Proteobacteria have many heavy metal resistance genes, improving their tolerance in heavy metal-polluted environments; additionally, Proteobacteria can transport heavy metals, which is conducive to the restoration of polluted sites.
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Affiliation(s)
- Mingjie Xu
- School of Architecture and Civil Engineering of Xihua University, Chengdu 610039, China
| | - Kuankuan Zhang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
| | - Yiduo Wang
- College of Eco-Environment Engineering, Guizhou Minzu University, Guiyang 550025, China
| | - Bin Zhang
- School of Architecture and Civil Engineering of Xihua University, Chengdu 610039, China
- School of food and biotechnology of Xihua University, Chengdu 610039, China
| | - Kang Mao
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
| | - Hua Zhang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
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18
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Zhang J, Fan X, Wang X, Tang Y, Zhang H, Yuan Z, Zhou J, Han Y, Li T. Bioremediation of a saline-alkali soil polluted with Zn using ryegrass associated with Fusariumincarnatum. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 312:119929. [PMID: 35977634 DOI: 10.1016/j.envpol.2022.119929] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 07/29/2022] [Accepted: 08/06/2022] [Indexed: 06/15/2023]
Abstract
Biotechnological strategies have become effective in the remediation of polluted soils as they are cost-effective and do not present a risk of secondary pollution. However, using a single bioremediation technique (microorganism or plant) is not suitable for achieving a high remediation rate of polluted saline-alkali soils with heavy metals. Therefore, the present study aims to assess the effects and mechanisms of combined ryegrass and Fusarium incarnatum on the zinc (Zn)-polluted saline-alkali soil over 45 days. According to the obtained results, the combined Fusarium incarnatum-ryegrass showed the highest remediation rate of 49.35% after 45 days, resulting in a significantly lower soil Zn concentration than that observed in the control group. In addition, the inoculation of Fusarium incarnatum showed a positive effect on the soil EPS secretion. The soil protein contents ranged from 0.035 to 0.055 mg/kg, while the soil polysaccharide contents increased from 0.25 to 0.61 mg/g. The soil microbial flora and ryegrass showed resistance to saline and alkaline stresses through the secretion of extracellular polysaccharides. The three-dimensional fluorescence spectrum (3D-EEM) confirmed that EPS in the soil was mainly a fulvic acid-like substance. The fluorescein diacetate (FDA) hydrolase activity in the saline-alkali soil was first increased due to the effect of Fusarium incarnatum and then decreased to a minimum value of 96 μg/(g·h). In addition, the Fusarium incarnatum inoculation improved the diversity and richness of soil fungi. Although the Fusarium incarnatum inoculation had a slight effect on the germination of ryegrass, it increased the biomass and enrichment coefficient. The results revealed a translocation factor (TF) value of 0.316 at 45 days after ryegrass sowing, showing significant enrichment of the soil Zn heavy metal zinc in the ryegrass roots.
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Affiliation(s)
- Jinxuan Zhang
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Xiaodan Fan
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China; Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin, China; Municipal Experimental Teaching Demonstration Center of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China; Tianjin International Joint Research and Development Center, Tianjin, China.
| | - Xueqi Wang
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Yinbing Tang
- Tianjin Enshui Environmental Protection Technology Co.Ltd., Tianjin, 300381, China
| | - Hao Zhang
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Zhengtong Yuan
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Jiaying Zhou
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Yibo Han
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Teng Li
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
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19
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Liao J, Li N, Yang Y, Yang J, Tian Y, Luo Z, Jiang M. Tolerance and Heavy Metal Accumulation Characteristics of Sasa argenteostriata (Regel) E.G. Camus under Zinc Single Stress and Combined Lead–Zinc Stress. TOXICS 2022; 10:toxics10080450. [PMID: 36006129 PMCID: PMC9415762 DOI: 10.3390/toxics10080450] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/18/2022] [Accepted: 07/29/2022] [Indexed: 02/04/2023]
Abstract
Sasa argenteostriata (Regel) E.G. Camus is a gramineous plant with the potential for phytoremediation. In this study, we aimed to determine its tolerance to zinc stress and combined lead–zinc stress and the effect of zinc on its absorption and accumulation characteristics of lead. The results showed that S. argenteostriata had good tolerance to zinc stress, and S. argenteostriata was not significantly damaged when the zinc stress concentration was 600 mg/L. Under both zinc stress and combined lead–zinc stress, the root was the main organ that accumulated heavy metals in S. argenteostriata. The presence of zinc promoted the absorption of lead by the root of S. argenteostriata, and the lead content in the root under PZ1, PZ2, PZ3 and PZ4 treatments was 2.15, 4.31, 4.47 and 6.01 times that of PZ0 on the 20 days. In the combined lead–zinc stress treatments, the toxicity of heavy metals to S. argenteostriata was mainly caused by lead. Under high concentrations of combined lead–zinc stress (PZ4), the proportion of zinc in the leaf of S. argenteostriata on the 20 days increased, which was used as a tolerance strategy to alleviate the toxicity of lead.
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20
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Lamontagne J, Sas E, Vincent G, Shang K, Pitre FE, Labrecque M. Valuable alkaloids content is preserved in Camptotheca acuminata and Morus alba grown in trace elements contaminated soil. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2022; 24:1533-1542. [PMID: 35234104 DOI: 10.1080/15226514.2022.2043238] [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: 06/14/2023]
Abstract
Phytoextraction of trace elements (TE) using woody species is an economically challenging soil remediation approach because of the long time needed. Yet, some trees contain alkaloids that can be exploited along structural components to enhance biomass value. As alkaloids are thought to be involved in plant defence mechanisms, we hypothesized that potentially hostile phytoremediation conditions could increase their level. Camptothecin in Camptotheca acuminata and 1-deoxynojirimycin in Morus alba were measured from trees grown in a field in presence of Cu, Pb and Zn all together, and from M. alba grown in a greenhouse in presence of Cd or other abiotic stressors (NaCl and bending). The trees did not extract TE in the field, but M. alba stems accumulated Cd in the greenhouse experiment, with no consequence on stomatal conductance and leaves pigments concentration. Camptothecin and 1-deoxynojirimycin concentrations were preserved under all experimental conditions, as was biomass yield, and phenolics were slightly increased in M. alba exposed to TE. This study provides evidence that valuable and persistent alkaloids and phenolics can be extracted from trees facing phytoremediation-associated stresses, without a negative impact on their quantity and on biomass yield. Such products could generate a sustainable stream of revenues during phytoremediation.
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Affiliation(s)
- Julien Lamontagne
- Institut de recherche en biologie végétale, Université de Montréal, Montréal, Canada
| | - Eszter Sas
- Institut de recherche en biologie végétale, Université de Montréal, Montréal, Canada
| | - Gilles Vincent
- Institut de recherche en biologie végétale, Université de Montréal, Montréal, Canada
- Shanghai Chenshan Botanical Garden, Shanghai, China
| | - Kankan Shang
- Institut de recherche en biologie végétale, Université de Montréal, Montréal, Canada
- Shanghai Chenshan Botanical Garden, Shanghai, China
| | - Frédéric E Pitre
- Institut de recherche en biologie végétale, Université de Montréal, Montréal, Canada
- Montréal Botanical Garden, Montréal, Canada
| | - Michel Labrecque
- Institut de recherche en biologie végétale, Université de Montréal, Montréal, Canada
- Montréal Botanical Garden, Montréal, Canada
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21
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Liu Y, Qiao J, Sun Y, Guan X. Simultaneous Sequestration of Humic Acid-Complexed Pb(II), Zn(II), Cd(II), and As(V) by Sulfidated Zero-Valent Iron: Performance and Stability of Sequestration Products. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:3127-3137. [PMID: 35174702 DOI: 10.1021/acs.est.1c07731] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Heavy metal(loid)s (HMs) such as Pb(II), Zn(II), Cd(II), and As(V) are ubiquitously present in co-contaminated soil and shallow groundwater, where the humic acid (HA)-rich environments can significantly influence their sequestration. In this study, sulfidated zero-valent iron (S-ZVI) was found to be able to simultaneously sequestrate these HA-complexed HMs. Specially, the HA-complexed Pb(II), Zn(II), Cd(II), and As(V) could be completely removed by S-ZVI within 60 min, while only 35-50% of them could be sequestrated within 72 h by unsulfidated ZVI. Interestingly, different from the S-ZVI corrosion behavior, the kinetics of HM sequestration by S-ZVI consisted of an initial slow reaction stage (or a lag phase) and then a fairly rapid reaction process. Characterization results indicated that forming metal sulfides controlled the HM sequestration at the first stage, whereas the enhanced ZVI corrosion and thus-improved adsorption and/or coprecipitation by iron hydroxides governed the second stage. Both metal-oxygen and metal-sulfur bonds in the solid phase could be confirmed by X-ray photoelectron spectroscopy and extended X-ray absorption fine structure analysis. Moreover, the transformation of S species from SO42-, SO32-, and S22- to S2- under reducing conditions could allow the sequestrated HMs to remain stable over a long period.
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Affiliation(s)
- Yang Liu
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, P. R. China
| | - Junlian Qiao
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, P. R. China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, P. R. China
| | - Yuankui Sun
- Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China
| | - Xiaohong Guan
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, P. R. China
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22
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Picchi C, Giorgetti L, Morelli E, Landi M, Rosellini I, Grifoni M, Franchi E, Petruzzelli G, Barbafieri M. Cannabis sativa L. and Brassica juncea L. grown on arsenic-contaminated industrial soil: potentiality and limitation for phytoremediation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:15983-15998. [PMID: 34642886 DOI: 10.1007/s11356-021-16673-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 09/18/2021] [Indexed: 06/13/2023]
Abstract
Phytoremediation represents a natural method to remove contaminants from soil. The goal of this study was to investigate the potential of phosphate-assisted phytoremediation by two energy crops, Cannabis sativa L. and Brassica juncea L., for the sustainable remediation of heavily arsenic-contaminated industrial soil. The two species were investigated for uptake, translocation, and physiological effects of arsenic and phosphate in a microcosm test. Although C. sativa and B. juncea were symptomless when grown in arsenic-contaminated soil, an important reduction of biomass (50 and 25%, respectively) was observed as a stress marker. Phytotoxicity and cytotoxicity effects promoted by contaminated soils were investigated in both the species and a model plant for ecotoxicity studies, Vicia faba L., which is the most developed model to test genotoxicity effects in terms of chromosomal aberration and micronuclei presence. The higher amount of arsenic was found in C. sativa and B. juncea roots (on average 1473 and 778 mg kg-1, respectively), but both species were able to uptake and translocate arsenic in leaves and stems, up to 47.0 and 189 mg kg-1, respectively. Phosphate treatment had no effect on arsenic uptake in none of the crop, but significantly improved the plant performance. Biomass production resulted similar to that of B. juncea control plants. Antioxidant enzymatic activities and photosynthetic performance responded differently in the two crops. The present investigation provides new insight for a proficient selection of the most suitable crop species for sustainable phytomanagement of a highly polluted As-contaminated site by coupled phytoremediation-bioenergy approach.
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Affiliation(s)
- Carolina Picchi
- National Research Council - Research Institute on Terrestrial Ecosystems, Section of Pisa, Via Moruzzi, 1, 56124, Pisa, Italy
| | - Lucia Giorgetti
- National Research Council - Institute of Agricultural Biology and Biotechnology, U.O.S. Pisa, Via Moruzzi, 1, 56124, Pisa, Italy
| | - Elisabetta Morelli
- National Research Council - Institute of Biophysics, Section of Pisa, Via Moruzzi, 1, 56124, Pisa, Italy
| | - Marco Landi
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto, 80, 56124, Pisa, Italy
| | - Irene Rosellini
- National Research Council - Research Institute on Terrestrial Ecosystems, Section of Pisa, Via Moruzzi, 1, 56124, Pisa, Italy
| | - Martina Grifoni
- National Research Council - Research Institute on Terrestrial Ecosystems, Section of Pisa, Via Moruzzi, 1, 56124, Pisa, Italy.
| | - Elisabetta Franchi
- Eni S.p.A., Renewable Energy & Environmental Laboratories, Via Maritano 26, 20097, San Donato Milanese, Milan, Italy
| | - Gianniantonio Petruzzelli
- National Research Council - Research Institute on Terrestrial Ecosystems, Section of Pisa, Via Moruzzi, 1, 56124, Pisa, Italy
| | - Meri Barbafieri
- National Research Council - Research Institute on Terrestrial Ecosystems, Section of Pisa, Via Moruzzi, 1, 56124, Pisa, Italy
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23
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Tan C, Zhao H, Wang X, Yu H, Chong S, Xu Y, Du E, Chen M, Peng X, Su L. Feasibility of micropollutants removal by solar-activated persulfate: Reactive oxygen species formation and influence on DBPs. WATER RESEARCH 2022; 210:117981. [PMID: 34952455 DOI: 10.1016/j.watres.2021.117981] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 12/09/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
As a natural source of visible light and a type of renewable energy, solar energy is extensively used in the field of photochemistry. In this study, solar was employed to activate persulfate (PS) to degrade typical micropollutants. The removal kinetics of aspirin (ASA) and flunixin meglumine (FMME) in the solar/PS system were well fitted by pseudo-first-order models (R2 > 0.99). In the system containing 1.0 mM PS activated by solar irradiation at a fluence of 1.14 × 10-4 E·m-2·s-1, 72.6% and 97.5% of ASA and FMME were degraded, and the corresponding kinetic constants were 6.8-9.8 × 10-2 and 1.6-9.8 × 10-1 min-1, respectively. Qualitative and quantitative analyses of the reactive oxygen species (ROS) indicated that sulfate radical (SO4·-) played a major role in degradation, with the maximum contributions of 77.7% and 88.8% for the degradation of ASA and FMME, whereas the maximum contributions of hydroxyl radical (·OH) were only 11.6% and 6.5%, respectively. The contributions of singlet oxygen (1O2) were less than 15% at pH 5.5, but increased to 25.6% and 45.5% at pH 8.5, respectively. Solar/PS pre-oxidation increased disinfection byproducts (DBPs) (95.8% for trihalomethanes (THMs) and 47.9% for haloacetic acids (HAAs) at pH 7.0) after chlorination in deionized water, and an opposite trend was found in systems coexisting with natural organic matter (NOM). Residual PS after oxidation resulted in a high aquatic toxicity, with an inhibition rate of 18.70% to algae growth. Economic analysis showed that the electrical energy per order values of the system ranged from 23.5 to 86.5 kWh·m-3·order-1, indicating that the solar/PS system shows promise for practical applications.
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Affiliation(s)
- Chaoqun Tan
- School of Civil Engineering, Southeast University, Nanjing 210096, China
| | - Heng Zhao
- School of Civil Engineering, Southeast University, Nanjing 210096, China
| | - Xuan Wang
- School of Civil Engineering, Southeast University, Nanjing 210096, China
| | - Hui Yu
- School of Civil Engineering, Southeast University, Nanjing 210096, China
| | - Seng Chong
- School of Civil Engineering, Southeast University, Nanjing 210096, China
| | - Yi Xu
- School of Civil Engineering, Southeast University, Nanjing 210096, China
| | - Erdeng Du
- Research Center of Jiangsu Petrochemical Safety and Environmental Protection Engineering, Changzhou 213164, China
| | - Ming Chen
- Nanjing Research Institute of Environmental Protection, Nanjing 210013, China
| | - Xiaoming Peng
- School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang 330013, China
| | - Lianghu Su
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China.
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24
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Hou H, Li S, Meng Z, Li Z, Darwesh OM, Zheng H. Removal of Cu ions in wastewater through a combined foam separation–cell adsorption approach. Chem Eng Technol 2021. [DOI: 10.1002/ceat.202100482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Hongya Hou
- School of Chemical Engineering and Technology Hebei University of Technology Tianjin 300130 China
| | - SiYu Li
- School of Chemical Engineering and Technology Hebei University of Technology Tianjin 300130 China
| | - ZhiChao Meng
- School of Chemical Engineering and Technology Hebei University of Technology Tianjin 300130 China
| | - Zhiqiang Li
- School of Chemical Engineering and Technology Hebei University of Technology Tianjin 300130 China
| | - Osama M. Darwesh
- Department of Agricultural Microbiology National Research Centre Cairo 12622 Egypt
| | - Huijie Zheng
- School of Chemical Engineering and Technology Hebei University of Technology Tianjin 300130 China
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