Arsenic sorption onto natural hematite, magnetite, and goethite
In this work the sorption of As(III) and As(V) on different natural iron oxides (hematite, magnetite, and goethite) has been studied as a function of different parameters. The sorption kinetics for the three iron oxides shows that equilibrium is reached in less than 2 days and the kinetics of sorpti...
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| Veröffentlicht in: | Journal of hazardous materials 2007-03, Vol.141 (3), p.575-580 |
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| creator | Giménez, Javier Martínez, María de Pablo, Joan Rovira, Miquel Duro, Lara |
| description | In this work the sorption of As(III) and As(V) on different natural iron oxides (hematite, magnetite, and goethite) has been studied as a function of different parameters. The sorption kinetics for the three iron oxides shows that equilibrium is reached in less than 2 days and the kinetics of sorption seems to be faster for goethite and magnetite than for hematite. The variation of the arsenic sorbed on the three different sorbents as a function of the equilibrium arsenic concentration in solution has been fitted with a non-competitive Langmuir isotherm. The main trend observed in the variation of the arsenic sorbed with pH is the decrease of the sorption on the three sorbents at alkaline pH values, which agrees with results found in the literature. Highest As(III) sorption was observed on hematite surface in all the pH range compared to goethite and magnetite. Natural minerals studied in this work had similar sorption capacities for arsenic than synthetic sorbents. |
| doi_str_mv | 10.1016/j.jhazmat.2006.07.020 |
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The sorption kinetics for the three iron oxides shows that equilibrium is reached in less than 2 days and the kinetics of sorption seems to be faster for goethite and magnetite than for hematite. The variation of the arsenic sorbed on the three different sorbents as a function of the equilibrium arsenic concentration in solution has been fitted with a non-competitive Langmuir isotherm. The main trend observed in the variation of the arsenic sorbed with pH is the decrease of the sorption on the three sorbents at alkaline pH values, which agrees with results found in the literature. Highest As(III) sorption was observed on hematite surface in all the pH range compared to goethite and magnetite. Natural minerals studied in this work had similar sorption capacities for arsenic than synthetic sorbents.</description><identifier>ISSN: 0304-3894</identifier><identifier>EISSN: 1873-3336</identifier><identifier>DOI: 10.1016/j.jhazmat.2006.07.020</identifier><identifier>PMID: 16978766</identifier><identifier>CODEN: JHMAD9</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Adsorption ; Applied sciences ; Arsenic - chemistry ; Arsenic - isolation & purification ; Chemical engineering ; Environmental Pollutants - chemistry ; Environmental Pollutants - isolation & purification ; Exact sciences and technology ; Ferric Compounds - chemistry ; Ferrosoferric Oxide - chemistry ; Hydrogen-Ion Concentration ; Iron Compounds - chemistry ; Iron oxides ; Langmuir isotherm ; Metal sorption ; Minerals ; Pollution ; Sorption kinetics ; Waste Management - methods</subject><ispartof>Journal of hazardous materials, 2007-03, Vol.141 (3), p.575-580</ispartof><rights>2006 Elsevier B.V.</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c521t-21d61c395452e0a9735a7c463fa52c20b720bd60b7e447873cb56ef98b3f52453</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0304389406008156$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18611714$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16978766$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Giménez, Javier</creatorcontrib><creatorcontrib>Martínez, María</creatorcontrib><creatorcontrib>de Pablo, Joan</creatorcontrib><creatorcontrib>Rovira, Miquel</creatorcontrib><creatorcontrib>Duro, Lara</creatorcontrib><title>Arsenic sorption onto natural hematite, magnetite, and goethite</title><title>Journal of hazardous materials</title><addtitle>J Hazard Mater</addtitle><description>In this work the sorption of As(III) and As(V) on different natural iron oxides (hematite, magnetite, and goethite) has been studied as a function of different parameters. The sorption kinetics for the three iron oxides shows that equilibrium is reached in less than 2 days and the kinetics of sorption seems to be faster for goethite and magnetite than for hematite. The variation of the arsenic sorbed on the three different sorbents as a function of the equilibrium arsenic concentration in solution has been fitted with a non-competitive Langmuir isotherm. The main trend observed in the variation of the arsenic sorbed with pH is the decrease of the sorption on the three sorbents at alkaline pH values, which agrees with results found in the literature. Highest As(III) sorption was observed on hematite surface in all the pH range compared to goethite and magnetite. Natural minerals studied in this work had similar sorption capacities for arsenic than synthetic sorbents.</description><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Arsenic - chemistry</subject><subject>Arsenic - isolation & purification</subject><subject>Chemical engineering</subject><subject>Environmental Pollutants - chemistry</subject><subject>Environmental Pollutants - isolation & purification</subject><subject>Exact sciences and technology</subject><subject>Ferric Compounds - chemistry</subject><subject>Ferrosoferric Oxide - chemistry</subject><subject>Hydrogen-Ion Concentration</subject><subject>Iron Compounds - chemistry</subject><subject>Iron oxides</subject><subject>Langmuir isotherm</subject><subject>Metal sorption</subject><subject>Minerals</subject><subject>Pollution</subject><subject>Sorption kinetics</subject><subject>Waste Management - methods</subject><issn>0304-3894</issn><issn>1873-3336</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE1r3DAQhkVpaLZpf0KLL-2pdkbf9imE0C8I5JKehVYeZ7XY0lbSFtpfXy1ryDGHYUbwjOblIeQDhY4CVdf7br-z_xZbOgagOtAdMHhFNrTXvOWcq9dkAxxEy_tBXJK3Oe8BgGop3pBLqgbda6U25OY2ZQzeNTmmQ_ExNDGU2ARbjsnOzQ7rBV_wS7PYp4Dn0YaxeYpYdvX1jlxMds74fu1X5Ne3r493P9r7h-8_727vWycZLS2jo6KOD1JIhmAHzaXVTig-Wckcg62uNaraUYgajbutVDgN_ZZPkgnJr8jn87-HFH8fMRez-Oxwnm3AeMyGDQPvoWcvgnRQPVdSVFCeQZdizgknc0h-semvoWBOis3erIrNSbEBbariuvdxPXDcLjg-b61OK_BpBWx2dp6SDc7nZ65XlGp6CnBz5rB6--Mxmew8BoejT-iKGaN_Icp_ouybRA</recordid><startdate>20070322</startdate><enddate>20070322</enddate><creator>Giménez, Javier</creator><creator>Martínez, María</creator><creator>de Pablo, Joan</creator><creator>Rovira, Miquel</creator><creator>Duro, Lara</creator><general>Elsevier B.V</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>7U7</scope><scope>C1K</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20070322</creationdate><title>Arsenic sorption onto natural hematite, magnetite, and goethite</title><author>Giménez, Javier ; Martínez, María ; de Pablo, Joan ; Rovira, Miquel ; Duro, Lara</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c521t-21d61c395452e0a9735a7c463fa52c20b720bd60b7e447873cb56ef98b3f52453</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Adsorption</topic><topic>Applied sciences</topic><topic>Arsenic - chemistry</topic><topic>Arsenic - isolation & purification</topic><topic>Chemical engineering</topic><topic>Environmental Pollutants - chemistry</topic><topic>Environmental Pollutants - isolation & purification</topic><topic>Exact sciences and technology</topic><topic>Ferric Compounds - chemistry</topic><topic>Ferrosoferric Oxide - chemistry</topic><topic>Hydrogen-Ion Concentration</topic><topic>Iron Compounds - chemistry</topic><topic>Iron oxides</topic><topic>Langmuir isotherm</topic><topic>Metal sorption</topic><topic>Minerals</topic><topic>Pollution</topic><topic>Sorption kinetics</topic><topic>Waste Management - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Giménez, Javier</creatorcontrib><creatorcontrib>Martínez, María</creatorcontrib><creatorcontrib>de Pablo, Joan</creatorcontrib><creatorcontrib>Rovira, Miquel</creatorcontrib><creatorcontrib>Duro, Lara</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of hazardous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Giménez, Javier</au><au>Martínez, María</au><au>de Pablo, Joan</au><au>Rovira, Miquel</au><au>Duro, Lara</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Arsenic sorption onto natural hematite, magnetite, and goethite</atitle><jtitle>Journal of hazardous materials</jtitle><addtitle>J Hazard Mater</addtitle><date>2007-03-22</date><risdate>2007</risdate><volume>141</volume><issue>3</issue><spage>575</spage><epage>580</epage><pages>575-580</pages><issn>0304-3894</issn><eissn>1873-3336</eissn><coden>JHMAD9</coden><abstract>In this work the sorption of As(III) and As(V) on different natural iron oxides (hematite, magnetite, and goethite) has been studied as a function of different parameters. The sorption kinetics for the three iron oxides shows that equilibrium is reached in less than 2 days and the kinetics of sorption seems to be faster for goethite and magnetite than for hematite. The variation of the arsenic sorbed on the three different sorbents as a function of the equilibrium arsenic concentration in solution has been fitted with a non-competitive Langmuir isotherm. The main trend observed in the variation of the arsenic sorbed with pH is the decrease of the sorption on the three sorbents at alkaline pH values, which agrees with results found in the literature. Highest As(III) sorption was observed on hematite surface in all the pH range compared to goethite and magnetite. Natural minerals studied in this work had similar sorption capacities for arsenic than synthetic sorbents.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>16978766</pmid><doi>10.1016/j.jhazmat.2006.07.020</doi><tpages>6</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Adsorption Applied sciences Arsenic - chemistry Arsenic - isolation & purification Chemical engineering Environmental Pollutants - chemistry Environmental Pollutants - isolation & purification Exact sciences and technology Ferric Compounds - chemistry Ferrosoferric Oxide - chemistry Hydrogen-Ion Concentration Iron Compounds - chemistry Iron oxides Langmuir isotherm Metal sorption Minerals Pollution Sorption kinetics Waste Management - methods |
| title | Arsenic sorption onto natural hematite, magnetite, and goethite |
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