Effect of Mn substitution on the oxidation/adsorption abilities of iron(III) oxyhydroxides
DC Field | Value | Language |
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dc.contributor.author | Cho, Dong-Wan | - |
dc.contributor.author | Chon, Chul-Min | - |
dc.contributor.author | Yang, Hyuncheol | - |
dc.contributor.author | Tsang, Yiu Fai | - |
dc.contributor.author | Song, Hocheol | - |
dc.date.accessioned | 2023-09-18T07:10:55Z | - |
dc.date.available | 2023-09-18T07:10:55Z | - |
dc.date.created | 2023-07-07 | - |
dc.date.issued | 2018-12 | - |
dc.identifier.issn | 1618-954X | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/190913 | - |
dc.description.abstract | In this study, divalent manganese ions [Mn(II)] were substituted a part of divalent iron ions [Fe(II)] present in Fe oxyhydroxides to prepare novel composites (Mn@Feox). The composites were prepared by (1) simultaneous hydrolysis of Fe(II) and Mn(II), and (2) rapid oxidation with H2O2. The resulting Mn@Feox prepared with different molar ratios of Fe and Mn was characterized and evaluated for their abilities to adsorb arsenic species [As(III) and As(V)] in aqueous solution. X-ray diffraction and field emission transmission electron microscope analyses revealed Mn@Feox has a -(Fe1-x, Mn-x)OOH-like structure with their mineralogical properties resembling those of feroxyhyte (-FeOOH). The increase in Mn substitution in Mn@Feox enhanced the oxidative ability to oxidize As(III) to As(V), but it decreased the adsorption capacity for both arsenic species. The optimal Mn/Fe molar ratio that could endow oxidation and magnetic capabilities to the composite without significantly compromising As adsorption capability was determined to be 0.1 (0.1Mn@Feox). The adsorption of As(III) on 0.1Mn@Feox was weakly influenced by pH change while As(V) adsorption showed high dependence on pH, achieving nearly complete removal at pH<5.7 but gradual decrease at pH>5.7. The adsorption kinetics and isotherms of As(III) and As(V) showed good conformity to pseudo-second-order kinetics model and Freundlich model, respectively. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | SPRINGER | - |
dc.title | Effect of Mn substitution on the oxidation/adsorption abilities of iron(III) oxyhydroxides | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Song, Hocheol | - |
dc.identifier.doi | 10.1007/s10098-018-1528-0 | - |
dc.identifier.scopusid | 2-s2.0-85045756940 | - |
dc.identifier.wosid | 000450530500006 | - |
dc.identifier.bibliographicCitation | CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY, v.20, no.SI 10, pp.2201 - 2208 | - |
dc.relation.isPartOf | CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY | - |
dc.citation.title | CLEAN TECHNOLOGIES AND ENVIRONMENTAL POLICY | - |
dc.citation.volume | 20 | - |
dc.citation.number | SI 10 | - |
dc.citation.startPage | 2201 | - |
dc.citation.endPage | 2208 | - |
dc.type.rims | ART | - |
dc.type.docType | 정기학술지(Article(Perspective Article포함)) | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Science & Technology - Other Topics | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalResearchArea | Environmental Sciences & Ecology | - |
dc.relation.journalWebOfScienceCategory | Green & Sustainable Science & Technology | - |
dc.relation.journalWebOfScienceCategory | Engineering, Environmental | - |
dc.relation.journalWebOfScienceCategory | Environmental Sciences | - |
dc.subject.keywordPlus | HYDROUS FERRIC-OXIDE | - |
dc.subject.keywordPlus | GRANULAR ACTIVATED CARBON | - |
dc.subject.keywordPlus | BINARY OXIDE | - |
dc.subject.keywordPlus | EFFICIENT REMOVAL | - |
dc.subject.keywordPlus | AQUEOUS-SOLUTIONS | - |
dc.subject.keywordPlus | ARSENIC(III) SORPTION | - |
dc.subject.keywordPlus | IRON OXYHYDROXIDE | - |
dc.subject.keywordPlus | MANGANESE OXIDE | - |
dc.subject.keywordPlus | DYE REMOVAL | - |
dc.subject.keywordPlus | FE | - |
dc.subject.keywordAuthor | Iron oxide | - |
dc.subject.keywordAuthor | Manganese | - |
dc.subject.keywordAuthor | Magnetic composite | - |
dc.subject.keywordAuthor | Arsenic | - |
dc.subject.keywordAuthor | Oxidation | - |
dc.subject.keywordAuthor | Adsorption | - |
dc.identifier.url | https://link.springer.com/article/10.1007/s10098-018-1528-0 | - |
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