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dc.contributor.author정광덕-
dc.contributor.author핫스나인 아바스-
dc.date.accessioned2021-06-09T04:18:33Z-
dc.date.available2021-06-09T04:18:33Z-
dc.date.issued2017-08-
dc.identifier.citationVOL 147, NO 8-1940-
dc.identifier.issn1011-372X-
dc.identifier.other49400-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/66270-
dc.description.abstractThe Pt/SiC-AP catalyst is prepared by the polyol method using acid treated SiC for sulfuric acid (SA) decomposition, which exhibits the highest activity and stability among the Pt/SiC catalysts prepared by four different methods. In a longer-term stability test at 850 A degrees C and a GHSV of 53,500 mL/g(cat)/h for 30 h, the Pt/SiC-AP catalyst shows the SA conversion of 82%. The activity loss of the Pt/SiC-AP catalyst is observed at 15 h, but the catalyst is almost stabilized at the SA conversion of ca. 78% afterwards. The Pt loss with the Pt/SiC-AP catalyst is the least among the prepared catalysts. Most of Pt loss with the Pt/SiC-AP catalyst occurs within 5 h during the phase change from Pt/SiC to Pt/SixCyOz/SiC and the Pt loss is rarely observed for 30 h thereafter. The acid treatment of the SiC support improves the catalytic stability by enhancing the interaction between Pt and SiC and the Pt/SiC catalyst with well-dispersed Pt particles is obtained by using the polyol method.-
dc.publisherCatalysis letters-
dc.subjecthydrogen production-
dc.subjectSI cycle-
dc.subjectSO3 decomposition-
dc.titlePreparation Scheme of Active Pt/SiC Catalyst and Its Phase Changes During Sulfuric Acid Decomposition to Produce Hydrogen in the SI Cycle-
dc.typeArticle-
dc.relation.page19311940-
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