Cobalt-based catalysts derived from cobalt carbonyl clusters for Fischer-Tropsch synthesis

被引：6
|
作者：
Li, Xuefen [1 ]
Bai, Fenghua [2 ]
Su, Haiquan [1 ,2 ]
机构：
[1] Inner Mongolia Univ, Coll Life Sci, Hohhot 010021, Inner Mongolia, Peoples R China
[2] Inner Mongolia Univ, Sch Chem & Chem Engn, Hohhot 010021, Inner Mongolia, Peoples R China
来源：
CHINESE JOURNAL OF CATALYSIS | 2014年 / 35卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Cobalt carbonyl cluster; Fischer-Tropsch synthesis; Precursor; Impregnation; CO/SIO2; CATALYSTS; PERFORMANCE; SUPPORT;
D O I：
10.1016/S1872-2067(12)60757-8
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Co catalysts supported on gamma-Al2O3 were prepared using Co-2(CO)(6)HCCCOOH, Co-3(CO)(9)CCH2COOH, and Co-4(CO)(10)HCCCOOH as precursors. Co(NO3)(2) was used as the precursor for preparing the reference catalyst. The results of Fischer-Tropsch synthesis tests and characterization by transmission electron microscopy, NH3 temperature-programmed desorption, and infrared showed that the different precursors have significant effects on the dispersion of the Co, which affect their catalytic behavior. CO conversion and C5+ selectivity over these catalysts prepared from different precursors decreased in the order Co-3(CO)(9)CCH2COOH > Co-2(CO)(6)HCCCOOH > Co-4(CO)(10)HCCCOOH > Co(NO3)(2). (C) 2014, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved
引用
收藏
页码：342 / 350
页数：9
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