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Oxidation of isochemical FeS2 (marcasite-pyrite) by Acidithiobacillus thiooxidans and Acidithiobacillus ferrooxidans

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dc.contributor.authorGarcia, Oswaldo
dc.contributor.authorBigham, Jerry M.
dc.contributor.authorTuovinen, I. H.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionOhio State Univ
dc.date.accessioned2014-05-20T15:25:55Z
dc.date.available2014-05-20T15:25:55Z
dc.date.issued2007-01-01
dc.description.abstractA research-grade mineral sample that contained marcasite and pyrite (FeS2) was subjected to the oxidation by Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans. Oxidation of FeS2 by A. ferrooxidans produced acid, and the redox potential increased with sulfide dissolution and the oxidation of Fe2+. jarosite was detected in solids from spent cultures. Preferential oxidation of either mineral was not consistently observed across all treatments. Neither iron sulfide was oxidized by A. thiooxidans. (C) 2006 Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, Inst Quim, BR-14901970 Araraquara, SP, Brazil
dc.description.affiliationOhio State Univ, Sch Environm & Nat Resources, Columbus, OH 43210 USA
dc.description.affiliationOhio State Univ, Dept Microbiol, Columbus, OH 43210 USA
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, BR-14901970 Araraquara, SP, Brazil
dc.format.extent98-101
dc.identifierhttp://dx.doi.org/10.1016/j.mineng.2006.05.005
dc.identifier.citationMinerals Engineering. Oxford: Pergamon-Elsevier B.V., v. 20, n. 1, p. 98-101, 2007.
dc.identifier.doi10.1016/j.mineng.2006.05.005
dc.identifier.issn0892-6875
dc.identifier.urihttp://hdl.handle.net/11449/36239
dc.identifier.wosWOS:000243567000012
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofMinerals Engineering
dc.relation.ispartofjcr2.707
dc.relation.ispartofsjr1,248
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectAcidithiobacilluspt
dc.subjectbioleachingpt
dc.subjectmarcasitept
dc.subjectpyritept
dc.titleOxidation of isochemical FeS2 (marcasite-pyrite) by Acidithiobacillus thiooxidans and Acidithiobacillus ferrooxidansen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.

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