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Yudaev P, Chistyakov E. Chelating Extractants for Metals. Metals 2022; 12:1275. [DOI: 10.3390/met12081275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
In the present review, works on the classes of chelating extractants for metals, compounds with several amide and carboxyl groups, azomethines, oximes, macrocyclic compounds (crown ethers and calixarenes), phenanthroline derivatives, and others are systematized. This review focuses on the efficiency and selectivity of the extractants in the recovery of metals from industrial wastewater, soil, spent raw materials, and the separation of metal mixtures. As a result of this study, it was found that over the past seven years, the largest number of works has been devoted to the extraction of heavy metals with amino acids (16 articles), azomethines and oximes (12 articles), lanthanids with amide compounds (15 articles), lanthanides and actinides with phenanthroline derivatives (7 articles), and noble metals with calixarenes (4 articles). Analysis of the literature showed that amino acids are especially effective for extracting heavy metals from the soil; thiodiglycolamides and aminocalixarenes for extracting noble metals from industrial waste; amide compounds, azomethines, oximes, and phenanthroline derivatives for extracting actinides; amide compounds for extracting lanthanides; crown ethers for extracting radioactive strontium, rhenium and technetium. The most studied parameters of extraction processes in the reviewed articles were the distribution ratios and separation factors. Based on the reviewed articles, it follows that chelate polydentate compounds are more efficient compounds for the extraction of metals from secondary resources compared to monodentate compounds.
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Zhang Q, Wang R, Shen Y, Zhan L, Xu Z. An ignored potential microplastic contamination of a typical waste glass recycling base. J Hazard Mater 2022; 422:126854. [PMID: 34391974 DOI: 10.1016/j.jhazmat.2021.126854] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/20/2021] [Accepted: 08/05/2021] [Indexed: 06/13/2023]
Abstract
The service life of glass is limited, leading to a large amount of waste glass generated. The waste glass recycling base, as an essential municipal supporting facility of a sustainable city, has a significant impact on the surrounding ecological environment. This study conducted a comprehensive investigation and analysis of the potential pollutants in a large waste glass terminal recycling base. It was found that the waste glass treatment process may produce various pollutants such as particulate matter, heavy metals and so on, which might cause pollution to surrounding areas. Microplastics (MPs) of particulate matter, which were widely distribute in the study area, had high abundance and interact with heavy metals. Its release is related with different treatment processes. MPs were found in all sampling sites, a total of 59 polymer types were identified. The relationship between MPs and process characteristics is mainly reflected on the polymer types. The crushing and screening process are more likely to produce Acrylic, while the label-eliminate process is more likely to produce PMMA. It was estimated that the annual load of MPs in the waste glass recycling site is about 3.211 tons.
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Affiliation(s)
- Qi Zhang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, China
| | - Rui Wang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, China
| | - Yaqi Shen
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, China
| | - Lu Zhan
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, China.
| | - Zhenming Xu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 200240, China
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Magiera T, Kyzioł-Komosińska J, Dzieniszewska A, Wawer M, Żogała B. Assessment of elements mobility in anthropogenic layer of historical wastes related to glass production in Izera Mountains (SW Poland). Sci Total Environ 2020; 735:139526. [PMID: 32480156 DOI: 10.1016/j.scitotenv.2020.139526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/15/2020] [Accepted: 05/16/2020] [Indexed: 06/11/2023]
Abstract
A geophysical survey conducted in the remote forest glade, located in the Izery Mountains (SW Poland), revealed the existence of an anthropogenic layer of historical glass wastes dumped in this area during the activity of a glass factory in the 18th and 19th centuries and domestic wastes dumped during the second part of the 20th century. The aim of the study was assessment of potential ecological risk related to the release of potentially toxic elements to the soil, groundwater and surface waters. The assessment was done on the base of classical geochemical analysis supported by calculation of environmental indices as well as on mobility of elements (leaching test and BCR sequential extraction). As an innovative aspect in the geostatistical interpretation of the data, some magnetic parameters (magnetic susceptibility-χ, χ/Fe ratio) were also used. It allowed for a better understanding of the relationship of PTEs with various forms of iron. The BCR sequential extraction found that among the PTEs, only Zn (up to 43%) was in a potentially mobile fraction probably occurring in ionic form, associated with iron oxides only by surface adsorption forces. The leaching has shown a slight increase in Zn and Cu content in the surface waters; however, it was not considered to be a real ecological threat because the pH of the waste material and soil cover is >6.0 and the scenario of a radical decrease in pH is rather unrealistic. The other PTEs were associated with more stable E2, E3 and E4 fractions. Zinc, similar to Ni, Co and Cu in waste samples, was highly correlated with magnetic parameters (χ and χ/Fe). It means that a considerable part of these metals was associated with ferrimagnetic iron oxides, although they can also occur in the form of inclusions in aluminosilicates and enclosed in glassy phases.
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Affiliation(s)
- Tadeusz Magiera
- Institute of Environmental Engineering Polish Academy of Sciences, 34 M. Skłodowskiej-Curie St, PL-41-819 Zabrze, Poland.
| | - Joanna Kyzioł-Komosińska
- Institute of Environmental Engineering Polish Academy of Sciences, 34 M. Skłodowskiej-Curie St, PL-41-819 Zabrze, Poland
| | - Agnieszka Dzieniszewska
- Institute of Environmental Engineering Polish Academy of Sciences, 34 M. Skłodowskiej-Curie St, PL-41-819 Zabrze, Poland
| | - Małgorzata Wawer
- Institute of Environmental Engineering Polish Academy of Sciences, 34 M. Skłodowskiej-Curie St, PL-41-819 Zabrze, Poland
| | - Bogdan Żogała
- Institute of Earth Sciences, Faculty of Natural Sciences, University of Silesia, Będzińska 60 Street, 41-200 Sosnowiec, Poland
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Li YM, Wang CF, Wang LJ, Huang TY, Zhou GZ. Removal of heavy metals in medical waste incineration fly ash by Na 2EDTA combined with zero-valent iron and recycle of Na 2EDTA: Acolumnar experiment study. J Air Waste Manag Assoc 2020; 70:904-914. [PMID: 32412866 DOI: 10.1080/10962247.2020.1769767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 05/05/2020] [Accepted: 05/08/2020] [Indexed: 06/11/2023]
Abstract
In this study, an effective circulating system was developed to remove heavy metals in medical waste incineration (MWI) fly ash. MWI fly ash (MWIFA)-column experiments were performed to remove Cu, Pb, Zn, Cd, and Ni from MWIFA using EDTA disodium (Na2EDTA). Iron-column experiments were conducted to study the removal effect of zero-valent iron on the five heavy metals from washing wastewater. Toxicity Characteristic Leaching Procedure (TCLP) test method was employed to evaluate heavy metals toxicity of MWIFA residues generated after 0-0.2 mol/L Na2EDTA solution treated. After being washed by 0.2 mol/L Na2EDTA solution, TCLP leaching values of Cu, Pb, Zn, Cd, and Ni were the lowest and satisfied the standard (GB 5085.3-2007), and the leaching values were 58.4 ± 2.0 mg/L, 2.81 ± 0.14 mg/L, 64.3 ± 4.0 mg/L, 0.156 ± 0.005 mg/L, 0.381 ± 0.006 mg/L. Concentrations of Cu, Pb, Zn, Cd, and Ni in iron-column effluent were reduced by 99.7%, 91.6%, 91.6%, 75.4%, and 75.7%, respectively. Na2EDTA was recovered and recycled to the removal of heavy metals from MWIFA. Comparing new Na2EDTA solution with recycled Na2EDTA solution, recycled Na2EDTA and water could be reutilized to dispose MWIFA. The removal efficiencies of Cu, Pb, Zn, Cd, and Ni by recycled 0.2 mol/L Na2EDTA solution were 67.1%, 68.8%, 63.2%, 73.9%, 50.7%, respectively, the removal efficiencies using recovered Na2EDTA decreased by 2.6%, 3.9%, 3.3%, 4.2%, and 1.6%, respectively. Successive batch experiments were also conducted to evaluate industrialization potential and reusable times for recycled Na2EDTA. After four recirculation cycles, extraction efficiencies of Pb and Cd (removal efficiency at different cycles divided by removal efficiency of new Na2EDTA) declined toward 80%. Results from this research indicated that this circulating system possessed industrialization potential. Implications: An effective circulating system was developed to remove heavy metals in MWI fly ash (MWIFA). Integration of Na2EDTA with Fe0 promoted the removal of heavy metals from MWIFA. Na2EDTA, NaCl and water were stepwise extracted from iron-column effluent, respectively. Recovered Na2EDTA can still effectively remove heavy metals from MWIFA. Results from this research indicated that this circulating system possessed industrialization potential.
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Affiliation(s)
- Yin-Ming Li
- State Key Laboratory of Solid Waste Reuse for Building Materials, Beijing Building Materials Academy of Sciences Research , Beijing, People's Republic of China
| | - Chun-Feng Wang
- Henan Key Laboratory for Environmental Pollution Control and Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, School of Environment, Henan Normal University , Xinxiang, Henan Province, People's Republic of China
| | - Lin-Jun Wang
- State Key Laboratory of Solid Waste Reuse for Building Materials, Beijing Building Materials Academy of Sciences Research , Beijing, People's Republic of China
- Hebei Ruisuo Research Institute of Solid Waste Engineering Technology , Hebei province, People's Republic of China
| | - Tian-Yong Huang
- State Key Laboratory of Solid Waste Reuse for Building Materials, Beijing Building Materials Academy of Sciences Research , Beijing, People's Republic of China
| | - Guang-Zhu Zhou
- College of Safety and Environmental Engineering, Shandong University of Science and Technology , Qingdao, People's Republic of China
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Mutafela RN, Lopez EG, Dahlin T, Kaczala F, Marques M, Jani Y, Hogland W. Geophysical investigation of glass 'hotspots' in glass dumps as potential secondary raw material sources. Waste Manag 2020; 106:213-225. [PMID: 32240938 DOI: 10.1016/j.wasman.2020.03.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 01/31/2020] [Accepted: 03/18/2020] [Indexed: 06/11/2023]
Abstract
This study investigates the potential for Electrical Resistivity Tomography (ERT) to detect buried glass 'hotspots' in a glass waste dump based on results from an open glass dump investigated initially. This detection potential is vital for excavation and later use of buried materials as secondary resources. After ERT, test pits (TPs) were excavated around suspected glass hotspots and physico-chemical characterisation of the materials was done. Hotspots were successfully identified as regions of high resistivity (>8000 Ωm) and were thus confirmed by TPs which indicated mean glass composition of 87.2% among samples (up to 99% in some). However, high discrepancies in material resistivities increased the risk for introduction of artefacts, thus increasing the degree of uncertainty with depth, whereas similarities in resistivity between granite bedrock and crystal glass presented data misinterpretation risks. Nevertheless, suitable survey design, careful field procedures and caution exercised by basing data interpretations primarily on TP excavation observations generated good results particularly for near-surface materials, which is useful since glass waste dumps are inherently shallow. Thus, ERT could be a useful technique for obtaining more homogeneous excavated glass and other materials for use as secondary resources in metal extraction and other waste recycling techniques while eliminating complicated and often costly waste sorting needs.
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Affiliation(s)
- Richard Nasilele Mutafela
- Department of Biology & Environmental Science, Faculty of Health and Life Sciences, Linnaeus University, SE-391 82 Kalmar, Sweden.
| | - Etzar Gomez Lopez
- Division of Engineering Geology, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden
| | - Torleif Dahlin
- Division of Engineering Geology, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden
| | | | - Marcia Marques
- Department of Biology & Environmental Science, Faculty of Health and Life Sciences, Linnaeus University, SE-391 82 Kalmar, Sweden; Department of Sanitary and Environmental Engineering, Rio de Janeiro State University UERJ, R. São Francisco Xavier, 524, CEP 20551-013, Rio de Janeiro, Brazil
| | - Yahya Jani
- Department of Biology & Environmental Science, Faculty of Health and Life Sciences, Linnaeus University, SE-391 82 Kalmar, Sweden
| | - William Hogland
- Department of Biology & Environmental Science, Faculty of Health and Life Sciences, Linnaeus University, SE-391 82 Kalmar, Sweden
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Mutafela RN, Mantero J, Jani Y, Thomas R, Holm E, Hogland W. Radiometrical and physico-chemical characterisation of contaminated glass waste from a glass dump in Sweden. Chemosphere 2020; 241:124964. [PMID: 31604195 DOI: 10.1016/j.chemosphere.2019.124964] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 09/17/2019] [Accepted: 09/23/2019] [Indexed: 06/10/2023]
Abstract
Around former glass factories in south eastern Sweden, there are dozens of dumps whose radioactivity and physico-chemical properties were not investigated previously. Thus, radiometric and physico-chemical characteristics of waste at Madesjö glass dump were studied to evaluate pre-recycling storage requirements and potential radiological and environmental risks. The material was sieved, hand-sorted, leached and scanned with X-Ray Fluorescence (XRF). External dose rates and activity concentrations of Naturally Occurring Radioactive Materials from 238U, 232Th series and 40K were also measured coupled with a radiological risk assessment. Results showed that the waste was 95% glass and dominated by fine fractions (<11.3 mm) at 43.6%. The fine fraction had pH 7.8, 2.6% moisture content, 123 mg kg-1 Total Dissolved Solids, 37.2 mg kg-1 Dissolved Organic Carbon and 10.5 mg kg-1 fluorides. Compared with Swedish EPA guidelines, the elements As, Cd, Pb and Zn were in hazardous concentrations while Pb leached more than the limits for inert and non-hazardous wastes. With 40K activity concentration up to 3000 Bq kg-1, enhanced external dose rates of 40K were established (0.20 μSv h-1) although no radiological risk was found since both External Hazard Index (Hex) and Gamma Index (Iγ) were <1. The glass dump needs remediation and storage of the waste materials under a safe hazardous waste class 'Bank Account' storage cell as a secondary resource for potential future recycling.
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Affiliation(s)
- Richard N Mutafela
- Department of Biology & Environmental Science, Faculty of Health and Life Sciences, Linnaeus University, SE-391 82, Kalmar, Sweden.
| | - Juan Mantero
- Department of Radiation Physics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, SE-413 45, Gothenburg, Sweden; Department of Applied Physics II, E.T.S.A., University of Seville, 410 12, Sevilla, Spain
| | - Yahya Jani
- Department of Biology & Environmental Science, Faculty of Health and Life Sciences, Linnaeus University, SE-391 82, Kalmar, Sweden
| | - Rimon Thomas
- Department of Radiation Physics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, SE-413 45, Gothenburg, Sweden
| | - Elis Holm
- Department of Radiation Physics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, SE-413 45, Gothenburg, Sweden
| | - William Hogland
- Department of Biology & Environmental Science, Faculty of Health and Life Sciences, Linnaeus University, SE-391 82, Kalmar, Sweden
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