HYDRODESULFURIZATION ACTIVITY OF ZEOLITE-SUPPORTED NICKEL AND COBALT SULFIDE CATALYSTS

被引：0
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作者：
WELTERS, WJJ
KORANYI, TI
DEBEER, VHJ
VANSANTEN, RA
机构：
来源：
STUDIES IN SURFACE SCIENCE AND CATALYSIS | 1993年 / 75卷
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中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Various zeolite (NaY or CaY) supported metal sulfide (Ni or Co) catalysts were prepared (impregnation or ion exchange) and characterized by means of thiophene HDS, Xe-129 NMR and TPS. Especially the acidic zeolites showed a very high initial activity. The observed activity differences are discussed in terms of sulfidation, dispersion, position of the metalsulfide relative to the zeolite pore system and acidity, the latter two being the most important. It is concluded that small Ni and Co sulfide clusters are very efficient thiophene desulfurization catalysts.
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页码：1931 / 1934
页数：4
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