Metal speciation in landfill leachates with a focus on the influence of organic matter
► This study characterises the heavy-metal content in leachates collected from eight landfills in France. ► Most of the metals are concentrated in the
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| Veröffentlicht in: | Waste management (Elmsford) 2011-09, Vol.31 (9), p.2036-2045 |
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| creator | Claret, Francis Tournassat, Christophe Crouzet, Catherine Gaucher, Eric C. Schäfer, Thorsten Braibant, Gilles Guyonnet, Dominique |
| description | ► This study characterises the heavy-metal content in leachates collected from eight landfills in France. ► Most of the metals are concentrated in the |
| doi_str_mv | 10.1016/j.wasman.2011.05.014 |
| format | Article |
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kDa fraction, while Pb, Cu and Cd are associated with larger particles. ► Metal complexation with OM is not sufficient to explain apparent supersaturation of metals with sulphide minerals.
This study characterises the heavy-metal content in leachates collected from eight landfills in France. In order to identify heavy metal occurrence in the different size fractions of leachates, a cascade filtration protocol was applied directly in the field, under a nitrogen gas atmosphere to avoid metal oxidation. The results of analyses performed on the leachates suggest that most of the metals are concentrated in the <30
kDa fraction, while lead, copper and cadmium show an association with larger particles. Initial speciation calculations, without considering metal association with organic matter, suggest that leachate concentrations in lead, copper, nickel and zinc are super-saturated with respect to sulphur phases. Speciation calculations that account for metal complexation with organic matter, considered as fulvic acids based on C1(s) NEXAFS spectroscopy, show that this mechanism is not sufficient to explain such deviation from equilibrium conditions. It is therefore hypothesized that the deviation results also from the influence of biological activity on the kinetics of mineral phase precipitation and dissolution, thus providing a dynamic system. The results of chemical analyses of sampled fluids are compared with speciation calculations and some implications for the assessment of metal mobility and natural attenuation in a context of landfill risk assessment are discussed.</description><identifier>ISSN: 0956-053X</identifier><identifier>EISSN: 1879-2456</identifier><identifier>DOI: 10.1016/j.wasman.2011.05.014</identifier><identifier>PMID: 21705206</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; CADMIUM ; COPPER ; Deviation ; DISSOLUTION ; Dynamical systems ; DYNAMICS ; Earth Sciences ; ENVIRONMENTAL SCIENCES ; EQUILIBRIUM ; Exact sciences and technology ; FILTRATION ; FLUIDS ; FRANCE ; FULVIC ACIDS ; General treatment and storage processes ; Geochemistry ; Global Changes ; HEAVY METALS ; Humic and fulvic acids ; KINETICS ; Landfill ; Landfills ; LEACHATES ; LEAD ; Mathematical analysis ; METALS ; Metals, Heavy - chemistry ; MINERALS ; MOBILITY ; NATURAL ATTENUATION ; NEXAFS ; NICKEL ; NITROGEN ; Organic Chemicals - chemistry ; ORGANIC MATTER ; Other wastes and particular components of wastes ; OXIDATION ; Particle Size ; PhreeqC ; Pollution ; RISK ASSESSMENT ; SANITARY LANDFILLS ; Sciences of the Universe ; SIZE ; Speciation ; SPECTROSCOPY ; Sulphur mineral phases ; Wastes ; Water Pollutants, Chemical - chemistry ; ZINC</subject><ispartof>Waste management (Elmsford), 2011-09, Vol.31 (9), p.2036-2045</ispartof><rights>2011 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2011 Elsevier Ltd. All rights reserved.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c604t-bd91e48a1c11eeb9ea9d23ba6810d57c28859321e30402fa20a41d7aaafea24b3</citedby><cites>FETCH-LOGICAL-c604t-bd91e48a1c11eeb9ea9d23ba6810d57c28859321e30402fa20a41d7aaafea24b3</cites><orcidid>0000-0003-2379-431X ; 0000-0002-6203-7795</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.wasman.2011.05.014$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24433382$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21705206$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://brgm.hal.science/hal-00605888$$DView record in HAL$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/1042320$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Claret, Francis</creatorcontrib><creatorcontrib>Tournassat, Christophe</creatorcontrib><creatorcontrib>Crouzet, Catherine</creatorcontrib><creatorcontrib>Gaucher, Eric C.</creatorcontrib><creatorcontrib>Schäfer, Thorsten</creatorcontrib><creatorcontrib>Braibant, Gilles</creatorcontrib><creatorcontrib>Guyonnet, Dominique</creatorcontrib><creatorcontrib>BROOKHAVEN NATIONAL LABORATORY (BNL)</creatorcontrib><title>Metal speciation in landfill leachates with a focus on the influence of organic matter</title><title>Waste management (Elmsford)</title><addtitle>Waste Manag</addtitle><description>► This study characterises the heavy-metal content in leachates collected from eight landfills in France. ► Most of the metals are concentrated in the <30
kDa fraction, while Pb, Cu and Cd are associated with larger particles. ► Metal complexation with OM is not sufficient to explain apparent supersaturation of metals with sulphide minerals.
This study characterises the heavy-metal content in leachates collected from eight landfills in France. In order to identify heavy metal occurrence in the different size fractions of leachates, a cascade filtration protocol was applied directly in the field, under a nitrogen gas atmosphere to avoid metal oxidation. The results of analyses performed on the leachates suggest that most of the metals are concentrated in the <30
kDa fraction, while lead, copper and cadmium show an association with larger particles. Initial speciation calculations, without considering metal association with organic matter, suggest that leachate concentrations in lead, copper, nickel and zinc are super-saturated with respect to sulphur phases. Speciation calculations that account for metal complexation with organic matter, considered as fulvic acids based on C1(s) NEXAFS spectroscopy, show that this mechanism is not sufficient to explain such deviation from equilibrium conditions. It is therefore hypothesized that the deviation results also from the influence of biological activity on the kinetics of mineral phase precipitation and dissolution, thus providing a dynamic system. The results of chemical analyses of sampled fluids are compared with speciation calculations and some implications for the assessment of metal mobility and natural attenuation in a context of landfill risk assessment are discussed.</description><subject>Applied sciences</subject><subject>CADMIUM</subject><subject>COPPER</subject><subject>Deviation</subject><subject>DISSOLUTION</subject><subject>Dynamical systems</subject><subject>DYNAMICS</subject><subject>Earth Sciences</subject><subject>ENVIRONMENTAL SCIENCES</subject><subject>EQUILIBRIUM</subject><subject>Exact sciences and technology</subject><subject>FILTRATION</subject><subject>FLUIDS</subject><subject>FRANCE</subject><subject>FULVIC ACIDS</subject><subject>General treatment and storage processes</subject><subject>Geochemistry</subject><subject>Global Changes</subject><subject>HEAVY METALS</subject><subject>Humic and fulvic acids</subject><subject>KINETICS</subject><subject>Landfill</subject><subject>Landfills</subject><subject>LEACHATES</subject><subject>LEAD</subject><subject>Mathematical analysis</subject><subject>METALS</subject><subject>Metals, Heavy - chemistry</subject><subject>MINERALS</subject><subject>MOBILITY</subject><subject>NATURAL ATTENUATION</subject><subject>NEXAFS</subject><subject>NICKEL</subject><subject>NITROGEN</subject><subject>Organic Chemicals - chemistry</subject><subject>ORGANIC MATTER</subject><subject>Other wastes and particular components of wastes</subject><subject>OXIDATION</subject><subject>Particle Size</subject><subject>PhreeqC</subject><subject>Pollution</subject><subject>RISK ASSESSMENT</subject><subject>SANITARY LANDFILLS</subject><subject>Sciences of the Universe</subject><subject>SIZE</subject><subject>Speciation</subject><subject>SPECTROSCOPY</subject><subject>Sulphur mineral phases</subject><subject>Wastes</subject><subject>Water Pollutants, Chemical - chemistry</subject><subject>ZINC</subject><issn>0956-053X</issn><issn>1879-2456</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqN0V2L1DAUBuAiijuu_gORIIh60fHks-2NsCzqCiPeqHgXTtNTJ0OnmW0yu_jvTem43i1eBcJzksP7FsVzDmsO3LzbrW8x7nFcC-B8DXoNXD0oVryumlIobR4WK2i0KUHLn2fFkxh3kEXN4XFxJngFWoBZFT--UMKBxQM5j8mHkfmRDTh2vR8GNhC6LSaK7NanLUPWB3eMLKu0pSz74UijIxZ6FqZfOHrH9pgSTU-LRz0OkZ6dzvPi-8cP3y6vys3XT58vLzalM6BS2XYNJ1Ujd5wTtQ1h0wnZoslrdrpyoq51IwUnCQpEjwJQ8a5CxJ5QqFaeFy-Xd0NM3kbnE7mtC-NILlkOSkgBGb1d0BYHe5j8HqffNqC3VxcbO98BGNB1Xd_wbF8v9jCF6yPFZPc-OhpyJBSO0dZNw6Ux8D9SNEpXRmX55l7JTcVVJVWlM1ULdVOIcaL-bl8Odq7d7uxSu51rt6BtLjWPvTj9cGz31N0N_e05g1cngNHh0E84Oh__OaWklLXI7v3iKJd242maM50r7vw0R9oFf_8mfwB18cq5</recordid><startdate>20110901</startdate><enddate>20110901</enddate><creator>Claret, Francis</creator><creator>Tournassat, Christophe</creator><creator>Crouzet, Catherine</creator><creator>Gaucher, Eric C.</creator><creator>Schäfer, Thorsten</creator><creator>Braibant, Gilles</creator><creator>Guyonnet, Dominique</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SU</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>7X8</scope><scope>7ST</scope><scope>7TV</scope><scope>SOI</scope><scope>1XC</scope><scope>VOOES</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0003-2379-431X</orcidid><orcidid>https://orcid.org/0000-0002-6203-7795</orcidid></search><sort><creationdate>20110901</creationdate><title>Metal speciation in landfill leachates with a focus on the influence of organic matter</title><author>Claret, Francis ; 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kDa fraction, while Pb, Cu and Cd are associated with larger particles. ► Metal complexation with OM is not sufficient to explain apparent supersaturation of metals with sulphide minerals.
This study characterises the heavy-metal content in leachates collected from eight landfills in France. In order to identify heavy metal occurrence in the different size fractions of leachates, a cascade filtration protocol was applied directly in the field, under a nitrogen gas atmosphere to avoid metal oxidation. The results of analyses performed on the leachates suggest that most of the metals are concentrated in the <30
kDa fraction, while lead, copper and cadmium show an association with larger particles. Initial speciation calculations, without considering metal association with organic matter, suggest that leachate concentrations in lead, copper, nickel and zinc are super-saturated with respect to sulphur phases. Speciation calculations that account for metal complexation with organic matter, considered as fulvic acids based on C1(s) NEXAFS spectroscopy, show that this mechanism is not sufficient to explain such deviation from equilibrium conditions. It is therefore hypothesized that the deviation results also from the influence of biological activity on the kinetics of mineral phase precipitation and dissolution, thus providing a dynamic system. The results of chemical analyses of sampled fluids are compared with speciation calculations and some implications for the assessment of metal mobility and natural attenuation in a context of landfill risk assessment are discussed.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>21705206</pmid><doi>10.1016/j.wasman.2011.05.014</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0003-2379-431X</orcidid><orcidid>https://orcid.org/0000-0002-6203-7795</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0956-053X |
| ispartof | Waste management (Elmsford), 2011-09, Vol.31 (9), p.2036-2045 |
| issn | 0956-053X 1879-2456 |
| language | eng |
| recordid | cdi_osti_scitechconnect_1042320 |
| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Applied sciences CADMIUM COPPER Deviation DISSOLUTION Dynamical systems DYNAMICS Earth Sciences ENVIRONMENTAL SCIENCES EQUILIBRIUM Exact sciences and technology FILTRATION FLUIDS FRANCE FULVIC ACIDS General treatment and storage processes Geochemistry Global Changes HEAVY METALS Humic and fulvic acids KINETICS Landfill Landfills LEACHATES LEAD Mathematical analysis METALS Metals, Heavy - chemistry MINERALS MOBILITY NATURAL ATTENUATION NEXAFS NICKEL NITROGEN Organic Chemicals - chemistry ORGANIC MATTER Other wastes and particular components of wastes OXIDATION Particle Size PhreeqC Pollution RISK ASSESSMENT SANITARY LANDFILLS Sciences of the Universe SIZE Speciation SPECTROSCOPY Sulphur mineral phases Wastes Water Pollutants, Chemical - chemistry ZINC |
| title | Metal speciation in landfill leachates with a focus on the influence of organic matter |
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