One-pot synthesis of Pt-Sn bimetallic mesoporous alumina catalysts with worm-like pore structure for n-butane dehydrogenation
- One-pot synthesis of Pt-Sn bimetallic mesoporous alumina catalysts with worm-like pore structure for n-butane dehydrogenation
- 정광덕; 핫스나인 아바스; 프라카쉬; 윤성호
- dehydrogenation; olefin; PtSn alloy; worm-like alumina
- Issue Date
- Journal of industrial and engineering chemistry
- VOL 63-390
- Five PtSn catalysts with different PtSn particle sizes were prepared using one-pot and co-impregnation methods for n-butane dehydrogenation. The turnover frequency (TOF) of the prepared catalysts is proportional to the PtSn metal particle size, while the selectivity to n-butenes is inversely proportional to that. The PtSn(OMSO) catalyst with a worm-like pore structure has the smallest PtSn particle size and the largest metal surface area, which exhibits the highest selectivity and specific activity among five PtSn catalysts. Additionally, the PtSn(OMSO) catalyst exhibits the highest stability. PtSn particles on PtSn(OMSO) are stabilized in the pores of the worm-like structure.
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