Oxidation of Pentachlorophenol in Manganese Oxide Suspensions under Controlled Eh and pH Environments
Abiotic oxidation of pentachlorophenol (PCP) by manganese(IV) oxide (MnO2) was examined in orderto understand the physiochemical environment(s) where PCP oxidation occurs. An Eh-pH potentiostat was used to simulate natural groundwater environments where MnO2 (0.025 g L(-1)) and PCP (0.020 g L(-1)) s...
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| Veröffentlicht in: | Environmental science & technology 2002-09, Vol.36 (17), p.3744-3748 |
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| creator | PETRIE, Robert A. GROSSL, Paul R. SIMS, Ronald C. |
| description | Abiotic oxidation of pentachlorophenol (PCP) by manganese(IV) oxide (MnO2) was examined in orderto understand the physiochemical environment(s) where PCP oxidation occurs. An Eh-pH potentiostat was used to simulate natural groundwater environments where MnO2 (0.025 g L(-1)) and PCP (0.020 g L(-1)) suspensions were incubated from Eh -300 to 300 mV and pH 4.5 to 7.0. The pH-Eh region where maximum PCP sorption occurred corresponded to the same region where the greatest concentrations of soluble Mn(II) where measured (Eh > -100 mV and pH |
| doi_str_mv | 10.1021/es0109491 |
| format | Article |
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An Eh-pH potentiostat was used to simulate natural groundwater environments where MnO2 (0.025 g L(-1)) and PCP (0.020 g L(-1)) suspensions were incubated from Eh -300 to 300 mV and pH 4.5 to 7.0. The pH-Eh region where maximum PCP sorption occurred corresponded to the same region where the greatest concentrations of soluble Mn(II) where measured (Eh > -100 mV and pH <5.0). Reduced Mn species [Mn(II,III)] released by reductive dissolution were readsorbed and restricted further abiotic oxidation of PCP by the MnO2 surface. A greater transformation of PCP to primarily tetrachloro-1,4-benzoquinone (p-chloranil) and smaller amounts of lesser chlorinated phenols occurred under increasing pH and Eh conditions.</description><identifier>ISSN: 0013-936X</identifier><identifier>EISSN: 1520-5851</identifier><identifier>DOI: 10.1021/es0109491</identifier><identifier>PMID: 12322746</identifier><identifier>CODEN: ESTHAG</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Applied sciences ; Biological and physicochemical phenomena ; Biological and physicochemical properties of pollutants. Interaction in the soil ; Bioremediation ; Chemicals ; Chromatography, High Pressure Liquid ; Earth sciences ; Earth, ocean, space ; Engineering and environment geology. Geothermics ; Exact sciences and technology ; Groundwater ; Hydrogen-Ion Concentration ; Manganese Compounds - chemistry ; Models, Theoretical ; Natural water pollution ; Oxidation ; Oxidation-Reduction ; Oxides - chemistry ; Pentachlorophenol - chemistry ; Pollution ; Pollution, environment geology ; Soil and sediments pollution ; Soil Pollutants - analysis ; Soils ; Suspensions ; Water treatment and pollution</subject><ispartof>Environmental science & technology, 2002-09, Vol.36 (17), p.3744-3748</ispartof><rights>2002 INIST-CNRS</rights><rights>Copyright American Chemical Society Sep 1, 2002</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13895308$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12322746$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>PETRIE, Robert A.</creatorcontrib><creatorcontrib>GROSSL, Paul R.</creatorcontrib><creatorcontrib>SIMS, Ronald C.</creatorcontrib><title>Oxidation of Pentachlorophenol in Manganese Oxide Suspensions under Controlled Eh and pH Environments</title><title>Environmental science & technology</title><addtitle>Environ. Sci. Technol</addtitle><description>Abiotic oxidation of pentachlorophenol (PCP) by manganese(IV) oxide (MnO2) was examined in orderto understand the physiochemical environment(s) where PCP oxidation occurs. An Eh-pH potentiostat was used to simulate natural groundwater environments where MnO2 (0.025 g L(-1)) and PCP (0.020 g L(-1)) suspensions were incubated from Eh -300 to 300 mV and pH 4.5 to 7.0. The pH-Eh region where maximum PCP sorption occurred corresponded to the same region where the greatest concentrations of soluble Mn(II) where measured (Eh > -100 mV and pH <5.0). Reduced Mn species [Mn(II,III)] released by reductive dissolution were readsorbed and restricted further abiotic oxidation of PCP by the MnO2 surface. A greater transformation of PCP to primarily tetrachloro-1,4-benzoquinone (p-chloranil) and smaller amounts of lesser chlorinated phenols occurred under increasing pH and Eh conditions.</description><subject>Applied sciences</subject><subject>Biological and physicochemical phenomena</subject><subject>Biological and physicochemical properties of pollutants. Interaction in the soil</subject><subject>Bioremediation</subject><subject>Chemicals</subject><subject>Chromatography, High Pressure Liquid</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Engineering and environment geology. Geothermics</subject><subject>Exact sciences and technology</subject><subject>Groundwater</subject><subject>Hydrogen-Ion Concentration</subject><subject>Manganese Compounds - chemistry</subject><subject>Models, Theoretical</subject><subject>Natural water pollution</subject><subject>Oxidation</subject><subject>Oxidation-Reduction</subject><subject>Oxides - chemistry</subject><subject>Pentachlorophenol - chemistry</subject><subject>Pollution</subject><subject>Pollution, environment geology</subject><subject>Soil and sediments pollution</subject><subject>Soil Pollutants - analysis</subject><subject>Soils</subject><subject>Suspensions</subject><subject>Water treatment and pollution</subject><issn>0013-936X</issn><issn>1520-5851</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpF0EtPwzAMB_AIgWAMDnwBFCFxLOTR9HFEYzwEaJM2BOJSeY3LCl1SkhbBtyeIAScf_LOtvwk54OyEM8FP0TPO8jjnG2TAlWCRyhTfJAPGuIxymTzukF3vXxhjQrJsm-xwIYVI42RAcPJRa-hqa6it6BRNB-Wysc62SzS2obWhd2CewaBH-m2RznrfovFhxNPeaHR0ZE3nbNOgpuMlBaNpe0XH5r121qzCSr9HtipoPO6v65DcX4zno6vodnJ5PTq7jUDErIswjhegJSalqDKZVaVkMYAKaSArIakkZ7ySqFQIoiuOi0THuUw5JEwJhVwOydHP3tbZtx59V7zY3plwsgjJuRRxKgI6XKN-sUJdtK5egfssfp8SwPEagC-hqRyYsvb_Tma5Cn8MLvpxte_w468P7rVIUpmqYj6dFU83j3cP-TkvpvILjiV_MA</recordid><startdate>20020901</startdate><enddate>20020901</enddate><creator>PETRIE, Robert A.</creator><creator>GROSSL, Paul R.</creator><creator>SIMS, Ronald C.</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</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></search><sort><creationdate>20020901</creationdate><title>Oxidation of Pentachlorophenol in Manganese Oxide Suspensions under Controlled Eh and pH Environments</title><author>PETRIE, Robert A. ; GROSSL, Paul R. ; SIMS, Ronald C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a240t-e44bad3e6c2f838fc304aa5585a8ca6f3101f3e55002df1eb6d49371a60525e13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Applied sciences</topic><topic>Biological and physicochemical phenomena</topic><topic>Biological and physicochemical properties of pollutants. Interaction in the soil</topic><topic>Bioremediation</topic><topic>Chemicals</topic><topic>Chromatography, High Pressure Liquid</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Engineering and environment geology. Geothermics</topic><topic>Exact sciences and technology</topic><topic>Groundwater</topic><topic>Hydrogen-Ion Concentration</topic><topic>Manganese Compounds - chemistry</topic><topic>Models, Theoretical</topic><topic>Natural water pollution</topic><topic>Oxidation</topic><topic>Oxidation-Reduction</topic><topic>Oxides - chemistry</topic><topic>Pentachlorophenol - chemistry</topic><topic>Pollution</topic><topic>Pollution, environment geology</topic><topic>Soil and sediments pollution</topic><topic>Soil Pollutants - analysis</topic><topic>Soils</topic><topic>Suspensions</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>PETRIE, Robert A.</creatorcontrib><creatorcontrib>GROSSL, Paul R.</creatorcontrib><creatorcontrib>SIMS, Ronald C.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</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><jtitle>Environmental science & technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>PETRIE, Robert A.</au><au>GROSSL, Paul R.</au><au>SIMS, Ronald C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Oxidation of Pentachlorophenol in Manganese Oxide Suspensions under Controlled Eh and pH Environments</atitle><jtitle>Environmental science & technology</jtitle><addtitle>Environ. Sci. Technol</addtitle><date>2002-09-01</date><risdate>2002</risdate><volume>36</volume><issue>17</issue><spage>3744</spage><epage>3748</epage><pages>3744-3748</pages><issn>0013-936X</issn><eissn>1520-5851</eissn><coden>ESTHAG</coden><abstract>Abiotic oxidation of pentachlorophenol (PCP) by manganese(IV) oxide (MnO2) was examined in orderto understand the physiochemical environment(s) where PCP oxidation occurs. An Eh-pH potentiostat was used to simulate natural groundwater environments where MnO2 (0.025 g L(-1)) and PCP (0.020 g L(-1)) suspensions were incubated from Eh -300 to 300 mV and pH 4.5 to 7.0. The pH-Eh region where maximum PCP sorption occurred corresponded to the same region where the greatest concentrations of soluble Mn(II) where measured (Eh > -100 mV and pH <5.0). Reduced Mn species [Mn(II,III)] released by reductive dissolution were readsorbed and restricted further abiotic oxidation of PCP by the MnO2 surface. A greater transformation of PCP to primarily tetrachloro-1,4-benzoquinone (p-chloranil) and smaller amounts of lesser chlorinated phenols occurred under increasing pH and Eh conditions.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>12322746</pmid><doi>10.1021/es0109491</doi><tpages>5</tpages></addata></record> |
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| subjects | Applied sciences Biological and physicochemical phenomena Biological and physicochemical properties of pollutants. Interaction in the soil Bioremediation Chemicals Chromatography, High Pressure Liquid Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Groundwater Hydrogen-Ion Concentration Manganese Compounds - chemistry Models, Theoretical Natural water pollution Oxidation Oxidation-Reduction Oxides - chemistry Pentachlorophenol - chemistry Pollution Pollution, environment geology Soil and sediments pollution Soil Pollutants - analysis Soils Suspensions Water treatment and pollution |
| title | Oxidation of Pentachlorophenol in Manganese Oxide Suspensions under Controlled Eh and pH Environments |
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