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The Effect of Tin-Support Interaction on Catalytic Stability over Pt-Sn/xAl-SBA-15 Catalysts for Propane Dehydrogenation

Authors
Vu, Bao Khanh; Shin, Eun Woo; Ahn, In Young; Ha, Jeong-Myeong; Suh, Dong Jin; Kim, Won-Il; Koh, Hyoung-Lim; Choi, Young Gyo; Lee, Seung-Bum
Issue Date
2012-07
Publisher
SPRINGER
Citation
CATALYSIS LETTERS, v.142, no.7, pp.838 - 844
Abstract
We prepared Pt-Sn/xAl-SBA-15 catalysts with various ratios of Al to Si and investigated them for propane dehydrogenation in order to understand the influence of the interaction between tin and the supports on catalytic stability. The weaker interaction between SnO (x) and the supports leads to easier formation of Pt-Sn alloys. The formation of Pt-Sn alloys increases the stability of catalysts, and the stability of Pt-Sn/xAl-SBA-15 catalysts is inversely proportional to the aluminum content in SBA-15.
Keywords
MESOPOROUS MOLECULAR-SIEVE; OXIDATIVE DEHYDROGENATION; ISOBUTANE DEHYDROGENATION; METALLIC PHASE; SBA-15; OXIDE; PLATINUM; SILICA; PT-SN/AL2O3; PERFORMANCE; MESOPOROUS MOLECULAR-SIEVE; OXIDATIVE DEHYDROGENATION; ISOBUTANE DEHYDROGENATION; METALLIC PHASE; SBA-15; OXIDE; PLATINUM; SILICA; PT-SN/AL2O3; PERFORMANCE; Dehydrogenation; Deactivation; Metal-support interaction
ISSN
1011-372X
URI
https://pubs.kist.re.kr/handle/201004/129096
DOI
10.1007/s10562-012-0837-x
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KIST Article > 2012
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