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Adsorption of Pb2+ in Aqueous Solutions by Biologically Produced Sulfur as a Novel Adsorbent

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dc.contributor.author윤정환-
dc.contributor.author정석순-
dc.contributor.author김권래-
dc.contributor.author김성철-
dc.contributor.author양재의-
dc.contributor.author김혁수-
dc.date.accessioned2022-12-26T11:16:27Z-
dc.date.available2022-12-26T11:16:27Z-
dc.date.issued2021-
dc.identifier.issn0367-6315-
dc.identifier.issn2288-2162-
dc.identifier.urihttps://scholarworks.gnu.ac.kr/handle/sw.gnu/4884-
dc.description.abstractIn the process of biological desulfurization of gases from landfills, huge amounts of biologically producedSulfur (BPS) were produced as by-products. A study was conducted to find out the possibility of using it as anadsorbent for Pb2+. BPS was subjected to an adsorption test in an aqueous solution in the presence of Pb2+ andcompared with the removal efficiency of granular activated carbon (GAC), which is mainly used as anadsorbent for heavy metal. As a result of the Pb2+ removal experiment using BPS, it was a two-step process inwhich 54.5% of the initial Pb2+ was removed within 5 minutes by fast initial adsorption followed by slowadsorption. As a result of the isotherm adsorption experiment, the Pb2+ adsorption to BPS was fitted theLangmuir isotherm model, and the maximum adsorption capacity of BPS (175.4 mg g-1) was about 3 timeshigher than that of GAC (67.11 mg g-1). The data from XPS demonstrated that the main adsorption mechanismwas the complexation of Pb2+ with the sulfide in the BPS. Therefore, it was confirmed that BPS has sufficientvalue to be recycled as a new adsorbent for Pb2+ removal in wastewater.-
dc.format.extent12-
dc.language한국어-
dc.language.isoKOR-
dc.publisher한국토양비료학회-
dc.titleAdsorption of Pb2+ in Aqueous Solutions by Biologically Produced Sulfur as a Novel Adsorbent-
dc.title.alternativeAdsorption of Pb2+ in Aqueous Solutions by Biologically Produced Sulfur as a Novel Adsorbent-
dc.typeArticle-
dc.publisher.location대한민국-
dc.identifier.bibliographicCitation한국토양비료학회지(Korean Journal of Soil Science and Fertilizer), v.54, no.4, pp 610 - 621-
dc.citation.title한국토양비료학회지(Korean Journal of Soil Science and Fertilizer)-
dc.citation.volume54-
dc.citation.number4-
dc.citation.startPage610-
dc.citation.endPage621-
dc.identifier.kciidART002783352-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClasskci-
dc.subject.keywordAuthorActivated carbon-
dc.subject.keywordAuthorAdsorption isotherm-
dc.subject.keywordAuthorAdsorption mechanism-
dc.subject.keywordAuthorBiologically produced sulfur-
dc.subject.keywordAuthorLead-
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농업생명과학대학 (스마트농산업학과)
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