In Situ Cr(VI) Reduction within Coarse-Textured, Oxide-Coated Soil and Aquifer Systems Using Fe(II) Solutions
Batch and column techniques were used to evaluate the in situ Cr(VI) reduction and immobilization using Fe(II) solutions within the sediments of the Atlantic Coastal Plain. Remediation treatments included Cr-free groundwater and buffered and unbuffered Fe(II) solutions as either FeCl2 and FeSO4. The...
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| Veröffentlicht in: | Environmental Science and Technology 1999-03, Vol.33 (6), p.938-944 |
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| creator | Seaman, John C Bertsch, Paul M Schwallie, L |
| description | Batch and column techniques were used to evaluate the in situ Cr(VI) reduction and immobilization using Fe(II) solutions within the sediments of the Atlantic Coastal Plain. Remediation treatments included Cr-free groundwater and buffered and unbuffered Fe(II) solutions as either FeCl2 and FeSO4. The slow release of Cr(VI) from the Fe-oxide rich subsurface sediment following exposure to Cr-free solutions indicated that simple pump-and-treat procedures would require extended operation time to meet regulatory standards. In situ reduction was confirmed by the loss of Cr(VI) and Fe(II) from solution and a drop in pH compared to control systems. Batch and column-effluent Cr(VI) decreased with increasing Fe(II), generally falling below detection limits as the persistence of Fe(II) occurred. However, CrDissolved, presumably Cr(III), exceeded regulatory limits due to the low pH (≈3.0) induced by oxidation and hydrolysis of Fe(II). Acetate-buffered Fe(II) solutions maintained an elevated pH in the presence of Cr(VI) reduction, making the treatment effective at lowering CrDissolved in batch evaluations. Acetate increased Cr(VI) mobility in columns ahead of the reactive Fe(II) front, suggesting that in situ reduction using soluble chemical additives may be somewhat ineffective due to the enhanced migration of Cr, either Cr(III) or Cr(VI), induced by the treatment solution. |
| doi_str_mv | 10.1021/es980546+ |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_osti_</sourceid><recordid>TN_cdi_proquest_miscellaneous_17272023</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>40148218</sourcerecordid><originalsourceid>FETCH-LOGICAL-a495t-f8c966d6976c2d344442204b5bdcb7da7b47a7bd3aa70dd1869b5feeebdeca763</originalsourceid><addsrcrecordid>eNqFkV1rFDEUhgdRcK1e-AOEKCIrOpqPSTJzWReri4VKZ9d6FzLJmTZ1dtImGdz-e7NstaAX5iKB5OHJOe8piqcEvyOYkvcQmxrzSry5V8wIp7jkNSf3ixnGhJUNE98fFo9ivMQYU4brWbFZjqh1aUKLMP-2fI1OwU4mOT-iny5duBEtvA4RyhVs0xTAvkUnW2ehzNcJLGq9G5AeLTq8nlwPAbU3McEmonV04zk6gvkyS1s_TDtnfFw86PUQ4cnteVCsjz6uFp_L45NPy8Xhcamrhqeyr00jhBWNFIZaVuVFKa463lnTSatlV8m8Waa1xNaSWjQd7wGgs2C0FOygeL73-picisYlMBfGjyOYpBjjjOPMvNozV8FfTxCT2rhoYBj0CH6KikgqaU7p_yATOFdAM_jiL_DST2HMjaocNqGE1ztovodM8DEG6NVVcBsdbhTBajdC9XuEGX1569PR6KEPejQu3vGSEsFIxso95nL02z_POvxQQjLJ1eprq6rTsw9n1RehdhU82_O99kqfh6xct6RpGoxlFt59q0286-Cf6n4Biiq8Mw</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>230121582</pqid></control><display><type>article</type><title>In Situ Cr(VI) Reduction within Coarse-Textured, Oxide-Coated Soil and Aquifer Systems Using Fe(II) Solutions</title><source>American Chemical Society Journals</source><creator>Seaman, John C ; Bertsch, Paul M ; Schwallie, L</creator><creatorcontrib>Seaman, John C ; Bertsch, Paul M ; Schwallie, L</creatorcontrib><description>Batch and column techniques were used to evaluate the in situ Cr(VI) reduction and immobilization using Fe(II) solutions within the sediments of the Atlantic Coastal Plain. Remediation treatments included Cr-free groundwater and buffered and unbuffered Fe(II) solutions as either FeCl2 and FeSO4. The slow release of Cr(VI) from the Fe-oxide rich subsurface sediment following exposure to Cr-free solutions indicated that simple pump-and-treat procedures would require extended operation time to meet regulatory standards. In situ reduction was confirmed by the loss of Cr(VI) and Fe(II) from solution and a drop in pH compared to control systems. Batch and column-effluent Cr(VI) decreased with increasing Fe(II), generally falling below detection limits as the persistence of Fe(II) occurred. However, CrDissolved, presumably Cr(III), exceeded regulatory limits due to the low pH (≈3.0) induced by oxidation and hydrolysis of Fe(II). Acetate-buffered Fe(II) solutions maintained an elevated pH in the presence of Cr(VI) reduction, making the treatment effective at lowering CrDissolved in batch evaluations. Acetate increased Cr(VI) mobility in columns ahead of the reactive Fe(II) front, suggesting that in situ reduction using soluble chemical additives may be somewhat ineffective due to the enhanced migration of Cr, either Cr(III) or Cr(VI), induced by the treatment solution.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es980546+</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>AGUAS SUBTERRANEAS ; Applied sciences ; AQUIFERS ; CAROLINA DEL SUR ; CAROLINE DU SUD ; CATION ; CATIONES ; CATIONS ; CHROME ; CHROMIUM ; COASTAL PLAINS ; CONTAMINANTES ; CROMO ; Decontamination. Miscellaneous ; Earth sciences ; Earth, ocean, space ; EAU SOUTERRAINE ; Engineering and environment geology. Geothermics ; ENVIRONMENTAL SCIENCES ; Exact sciences and technology ; FER ; GROUND WATER ; GROUNDWATER ; GROUNDWATER POLLUTION ; GROUNDWATER REMEDIATION ; Groundwaters ; HEXAVALENT CHROMIUM ; HIERRO ; IN-SITU PROCESSING ; IRON ; LLANURA COSTERA ; METAL ; METALES ; METALS ; Natural water pollution ; PLAINE COTIERE ; POLLUANT ; POLLUTANTS ; Pollution ; POLLUTION DE L'EAU SOUTERRAINE ; Pollution, environment geology ; POLUCION DE AGUAS SUBTERRANEAS ; REMEDIAL ACTION ; SEDIMENT ; SEDIMENTO ; Soil and sediments pollution ; SOIL CHEMISTRY ; SOILS ; SOUTH CAROLINA ; Water treatment ; Water treatment and pollution</subject><ispartof>Environmental Science and Technology, 1999-03, Vol.33 (6), p.938-944</ispartof><rights>Copyright © 1999 American Chemical Society</rights><rights>1999 INIST-CNRS</rights><rights>Copyright American Chemical Society Mar 15, 1999</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a495t-f8c966d6976c2d344442204b5bdcb7da7b47a7bd3aa70dd1869b5feeebdeca763</citedby><cites>FETCH-LOGICAL-a495t-f8c966d6976c2d344442204b5bdcb7da7b47a7bd3aa70dd1869b5feeebdeca763</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/es980546+$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/es980546+$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,780,784,885,2765,27076,27924,27925,56738,56788</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1721631$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/335350$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Seaman, John C</creatorcontrib><creatorcontrib>Bertsch, Paul M</creatorcontrib><creatorcontrib>Schwallie, L</creatorcontrib><title>In Situ Cr(VI) Reduction within Coarse-Textured, Oxide-Coated Soil and Aquifer Systems Using Fe(II) Solutions</title><title>Environmental Science and Technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Batch and column techniques were used to evaluate the in situ Cr(VI) reduction and immobilization using Fe(II) solutions within the sediments of the Atlantic Coastal Plain. Remediation treatments included Cr-free groundwater and buffered and unbuffered Fe(II) solutions as either FeCl2 and FeSO4. The slow release of Cr(VI) from the Fe-oxide rich subsurface sediment following exposure to Cr-free solutions indicated that simple pump-and-treat procedures would require extended operation time to meet regulatory standards. In situ reduction was confirmed by the loss of Cr(VI) and Fe(II) from solution and a drop in pH compared to control systems. Batch and column-effluent Cr(VI) decreased with increasing Fe(II), generally falling below detection limits as the persistence of Fe(II) occurred. However, CrDissolved, presumably Cr(III), exceeded regulatory limits due to the low pH (≈3.0) induced by oxidation and hydrolysis of Fe(II). Acetate-buffered Fe(II) solutions maintained an elevated pH in the presence of Cr(VI) reduction, making the treatment effective at lowering CrDissolved in batch evaluations. Acetate increased Cr(VI) mobility in columns ahead of the reactive Fe(II) front, suggesting that in situ reduction using soluble chemical additives may be somewhat ineffective due to the enhanced migration of Cr, either Cr(III) or Cr(VI), induced by the treatment solution.</description><subject>AGUAS SUBTERRANEAS</subject><subject>Applied sciences</subject><subject>AQUIFERS</subject><subject>CAROLINA DEL SUR</subject><subject>CAROLINE DU SUD</subject><subject>CATION</subject><subject>CATIONES</subject><subject>CATIONS</subject><subject>CHROME</subject><subject>CHROMIUM</subject><subject>COASTAL PLAINS</subject><subject>CONTAMINANTES</subject><subject>CROMO</subject><subject>Decontamination. Miscellaneous</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>EAU SOUTERRAINE</subject><subject>Engineering and environment geology. Geothermics</subject><subject>ENVIRONMENTAL SCIENCES</subject><subject>Exact sciences and technology</subject><subject>FER</subject><subject>GROUND WATER</subject><subject>GROUNDWATER</subject><subject>GROUNDWATER POLLUTION</subject><subject>GROUNDWATER REMEDIATION</subject><subject>Groundwaters</subject><subject>HEXAVALENT CHROMIUM</subject><subject>HIERRO</subject><subject>IN-SITU PROCESSING</subject><subject>IRON</subject><subject>LLANURA COSTERA</subject><subject>METAL</subject><subject>METALES</subject><subject>METALS</subject><subject>Natural water pollution</subject><subject>PLAINE COTIERE</subject><subject>POLLUANT</subject><subject>POLLUTANTS</subject><subject>Pollution</subject><subject>POLLUTION DE L'EAU SOUTERRAINE</subject><subject>Pollution, environment geology</subject><subject>POLUCION DE AGUAS SUBTERRANEAS</subject><subject>REMEDIAL ACTION</subject><subject>SEDIMENT</subject><subject>SEDIMENTO</subject><subject>Soil and sediments pollution</subject><subject>SOIL CHEMISTRY</subject><subject>SOILS</subject><subject>SOUTH CAROLINA</subject><subject>Water treatment</subject><subject>Water treatment and pollution</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNqFkV1rFDEUhgdRcK1e-AOEKCIrOpqPSTJzWReri4VKZ9d6FzLJmTZ1dtImGdz-e7NstaAX5iKB5OHJOe8piqcEvyOYkvcQmxrzSry5V8wIp7jkNSf3ixnGhJUNE98fFo9ivMQYU4brWbFZjqh1aUKLMP-2fI1OwU4mOT-iny5duBEtvA4RyhVs0xTAvkUnW2ehzNcJLGq9G5AeLTq8nlwPAbU3McEmonV04zk6gvkyS1s_TDtnfFw86PUQ4cnteVCsjz6uFp_L45NPy8Xhcamrhqeyr00jhBWNFIZaVuVFKa463lnTSatlV8m8Waa1xNaSWjQd7wGgs2C0FOygeL73-picisYlMBfGjyOYpBjjjOPMvNozV8FfTxCT2rhoYBj0CH6KikgqaU7p_yATOFdAM_jiL_DST2HMjaocNqGE1ztovodM8DEG6NVVcBsdbhTBajdC9XuEGX1569PR6KEPejQu3vGSEsFIxso95nL02z_POvxQQjLJ1eprq6rTsw9n1RehdhU82_O99kqfh6xct6RpGoxlFt59q0286-Cf6n4Biiq8Mw</recordid><startdate>19990315</startdate><enddate>19990315</enddate><creator>Seaman, John C</creator><creator>Bertsch, Paul M</creator><creator>Schwallie, L</creator><general>American Chemical Society</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>7QH</scope><scope>7UA</scope><scope>OTOTI</scope></search><sort><creationdate>19990315</creationdate><title>In Situ Cr(VI) Reduction within Coarse-Textured, Oxide-Coated Soil and Aquifer Systems Using Fe(II) Solutions</title><author>Seaman, John C ; Bertsch, Paul M ; Schwallie, L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a495t-f8c966d6976c2d344442204b5bdcb7da7b47a7bd3aa70dd1869b5feeebdeca763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>AGUAS SUBTERRANEAS</topic><topic>Applied sciences</topic><topic>AQUIFERS</topic><topic>CAROLINA DEL SUR</topic><topic>CAROLINE DU SUD</topic><topic>CATION</topic><topic>CATIONES</topic><topic>CATIONS</topic><topic>CHROME</topic><topic>CHROMIUM</topic><topic>COASTAL PLAINS</topic><topic>CONTAMINANTES</topic><topic>CROMO</topic><topic>Decontamination. Miscellaneous</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>EAU SOUTERRAINE</topic><topic>Engineering and environment geology. Geothermics</topic><topic>ENVIRONMENTAL SCIENCES</topic><topic>Exact sciences and technology</topic><topic>FER</topic><topic>GROUND WATER</topic><topic>GROUNDWATER</topic><topic>GROUNDWATER POLLUTION</topic><topic>GROUNDWATER REMEDIATION</topic><topic>Groundwaters</topic><topic>HEXAVALENT CHROMIUM</topic><topic>HIERRO</topic><topic>IN-SITU PROCESSING</topic><topic>IRON</topic><topic>LLANURA COSTERA</topic><topic>METAL</topic><topic>METALES</topic><topic>METALS</topic><topic>Natural water pollution</topic><topic>PLAINE COTIERE</topic><topic>POLLUANT</topic><topic>POLLUTANTS</topic><topic>Pollution</topic><topic>POLLUTION DE L'EAU SOUTERRAINE</topic><topic>Pollution, environment geology</topic><topic>POLUCION DE AGUAS SUBTERRANEAS</topic><topic>REMEDIAL ACTION</topic><topic>SEDIMENT</topic><topic>SEDIMENTO</topic><topic>Soil and sediments pollution</topic><topic>SOIL CHEMISTRY</topic><topic>SOILS</topic><topic>SOUTH CAROLINA</topic><topic>Water treatment</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Seaman, John C</creatorcontrib><creatorcontrib>Bertsch, Paul M</creatorcontrib><creatorcontrib>Schwallie, L</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>OSTI.GOV</collection><jtitle>Environmental Science and Technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Seaman, John C</au><au>Bertsch, Paul M</au><au>Schwallie, L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In Situ Cr(VI) Reduction within Coarse-Textured, Oxide-Coated Soil and Aquifer Systems Using Fe(II) Solutions</atitle><jtitle>Environmental Science and Technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>1999-03-15</date><risdate>1999</risdate><volume>33</volume><issue>6</issue><spage>938</spage><epage>944</epage><pages>938-944</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>Batch and column techniques were used to evaluate the in situ Cr(VI) reduction and immobilization using Fe(II) solutions within the sediments of the Atlantic Coastal Plain. Remediation treatments included Cr-free groundwater and buffered and unbuffered Fe(II) solutions as either FeCl2 and FeSO4. The slow release of Cr(VI) from the Fe-oxide rich subsurface sediment following exposure to Cr-free solutions indicated that simple pump-and-treat procedures would require extended operation time to meet regulatory standards. In situ reduction was confirmed by the loss of Cr(VI) and Fe(II) from solution and a drop in pH compared to control systems. Batch and column-effluent Cr(VI) decreased with increasing Fe(II), generally falling below detection limits as the persistence of Fe(II) occurred. However, CrDissolved, presumably Cr(III), exceeded regulatory limits due to the low pH (≈3.0) induced by oxidation and hydrolysis of Fe(II). Acetate-buffered Fe(II) solutions maintained an elevated pH in the presence of Cr(VI) reduction, making the treatment effective at lowering CrDissolved in batch evaluations. Acetate increased Cr(VI) mobility in columns ahead of the reactive Fe(II) front, suggesting that in situ reduction using soluble chemical additives may be somewhat ineffective due to the enhanced migration of Cr, either Cr(III) or Cr(VI), induced by the treatment solution.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/es980546+</doi><tpages>7</tpages></addata></record> |
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| ispartof | Environmental Science and Technology, 1999-03, Vol.33 (6), p.938-944 |
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| source | American Chemical Society Journals |
| subjects | AGUAS SUBTERRANEAS Applied sciences AQUIFERS CAROLINA DEL SUR CAROLINE DU SUD CATION CATIONES CATIONS CHROME CHROMIUM COASTAL PLAINS CONTAMINANTES CROMO Decontamination. Miscellaneous Earth sciences Earth, ocean, space EAU SOUTERRAINE Engineering and environment geology. Geothermics ENVIRONMENTAL SCIENCES Exact sciences and technology FER GROUND WATER GROUNDWATER GROUNDWATER POLLUTION GROUNDWATER REMEDIATION Groundwaters HEXAVALENT CHROMIUM HIERRO IN-SITU PROCESSING IRON LLANURA COSTERA METAL METALES METALS Natural water pollution PLAINE COTIERE POLLUANT POLLUTANTS Pollution POLLUTION DE L'EAU SOUTERRAINE Pollution, environment geology POLUCION DE AGUAS SUBTERRANEAS REMEDIAL ACTION SEDIMENT SEDIMENTO Soil and sediments pollution SOIL CHEMISTRY SOILS SOUTH CAROLINA Water treatment Water treatment and pollution |
| title | In Situ Cr(VI) Reduction within Coarse-Textured, Oxide-Coated Soil and Aquifer Systems Using Fe(II) Solutions |
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