Effect of molten caustic leaching on demineralization and desulfurization of asphaltite

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dc.contributor.authorDuz, M. Z.
dc.contributor.authorErdogan, S.
dc.contributor.authorSaydut, A.
dc.contributor.authorMerdivan, M.
dc.contributor.authorHamamci, C.
dc.date.accessioned2024-04-24T17:07:50Z
dc.date.available2024-04-24T17:07:50Z
dc.date.issued2008
dc.departmentDicle Üniversitesien_US
dc.description.abstractMolten caustic leaching process is effective in reducing significant amounts of ash-forming minerals, pyritic sulfur, and organic sulfur from solid fossil fuels. The effect of leaching asphaltite samples from Seguruk and Harbul collieries of Sirnak and Silopi asphaltite fields (situated in the Southeast Anatolia region of Turkey) with molten sodium hydroxide and followed by mild acid on demineralization and desulfurization was investigated. The effects of alkali/asphaltite ratio, time, and temperature on the leaching efficiency were detailed, and the experimental results are presented here. Chemical demineralization and desulfurization of asphaltite samples using molten sodium hydroxide were investigated in the temperature range of 200 degrees C-400 degrees C. The percentage of demineralization and desulfurization increased with the increase in alkali/asphaltite ratio. The removal of total sulfur and ash increased with increasing leaching temperature and time. Most of the inorganic sulfur and a significant portion of the organic sulfur were removed.en_US
dc.identifier.doi10.1080/15567030701268393
dc.identifier.endpage1644en_US
dc.identifier.issn1556-7036
dc.identifier.issn1556-7230
dc.identifier.issue17en_US
dc.identifier.scopus2-s2.0-48249117900
dc.identifier.scopusqualityQ1
dc.identifier.startpage1637en_US
dc.identifier.urihttps://doi.org/10.1080/15567030701268393
dc.identifier.urihttps://hdl.handle.net/11468/17025
dc.identifier.volume30en_US
dc.identifier.wosWOS:000257840900009
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoenen_US
dc.publisherTaylor & Francis Incen_US
dc.relation.ispartofEnergy Sources Part A-Recovery Utilization and Environmental Effects
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAsphaltiteen_US
dc.subjectCoalen_US
dc.subjectDemineralizationen_US
dc.subjectDesulfurizationen_US
dc.subjectMolten Caustic Leachingen_US
dc.subjectSoutheast Anatoliaen_US
dc.titleEffect of molten caustic leaching on demineralization and desulfurization of asphaltiteen_US
dc.titleEffect of molten caustic leaching on demineralization and desulfurization of asphaltite
dc.typeArticleen_US

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