Design of Reduction Process of SnO2 by CH4 for Efficient Sn Recovery

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dc.contributor.authorHa, Hyunwooko
dc.contributor.authorYoo, Miko
dc.contributor.authorAn, Hyesungko
dc.contributor.authorShin, Kihyunko
dc.contributor.authorHan, Taeyangko
dc.contributor.authorSohn, Youhanko
dc.contributor.authorKim, Sangyeolko
dc.contributor.authorLee, Sang-Roko
dc.contributor.authorHan, Jun Hyunko
dc.contributor.authorKim, Hyun Youko
dc.date.accessioned2018-02-21T05:26:53Z-
dc.date.available2018-02-21T05:26:53Z-
dc.date.created2017-11-20-
dc.date.issued2017-10-
dc.identifier.citationSCIENTIFIC REPORTS, v.7-
dc.identifier.issn2045-2322-
dc.identifier.urihttp://hdl.handle.net/10203/240054-
dc.description.abstractWe design a novel method for the CH4 reduction of SnO2 for the efficient recovery of Sn from SnO2 through a study combining theory and experiment. The atomic-level process of CH4-SnO2 interaction and temperature-dependent reduction behavior of SnO2 were studied with a combination of a multiscale computational method of thermodynamic simulations and density functional theory (DFT) calculations. We found that CH4 was a highly efficient and a versatile reducing agent, as the total reducing power of CH4 originates from the carbon and hydrogen of CH4, which sequentially reduce SnO2. Moreover, as a result of the CH4 reduction of SnO2, a mixture of CO and H-2 was produced as a gasphase product (syngas). The relative molar ratio of the produced gas-phase product was controllable by the reduction temperature and the amount of supplied CH4. The laboratory-scale experimental study confirmed that CH4 actively reduces SnO2, producing 99.34% high-purity Sn and H-2 and CO. Our results present a novel method for an efficient, green, and economical recycling strategy for Sn with economic value added that is held by the co-produced clean energy source (syngas).-
dc.languageEnglish-
dc.publisherNATURE PUBLISHING GROUP-
dc.subjectZINC-OXIDE REDUCTION-
dc.subjectINDIUM-TIN-OXIDE-
dc.subjectPYROMETALLURGICAL METHOD-
dc.subjectTHERMODYNAMIC ANALYSIS-
dc.subjectSYNTHESIS GAS-
dc.subjectTHIN-FILMS-
dc.subjectMETHANE-
dc.subjectMETAL-
dc.subjectCARBON-
dc.subjectIRON-
dc.titleDesign of Reduction Process of SnO2 by CH4 for Efficient Sn Recovery-
dc.typeArticle-
dc.identifier.wosid000414231000028-
dc.identifier.scopusid2-s2.0-85032637350-
dc.type.rimsART-
dc.citation.volume7-
dc.citation.publicationnameSCIENTIFIC REPORTS-
dc.identifier.doi10.1038/s41598-017-14826-7-
dc.contributor.nonIdAuthorHa, Hyunwoo-
dc.contributor.nonIdAuthorYoo, Mi-
dc.contributor.nonIdAuthorAn, Hyesung-
dc.contributor.nonIdAuthorHan, Taeyang-
dc.contributor.nonIdAuthorSohn, Youhan-
dc.contributor.nonIdAuthorKim, Sangyeol-
dc.contributor.nonIdAuthorLee, Sang-Ro-
dc.contributor.nonIdAuthorHan, Jun Hyun-
dc.contributor.nonIdAuthorKim, Hyun You-
dc.description.isOpenAccessY-
dc.type.journalArticleArticle-
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