Gd promotion of CO/SiO2 Fischer-Tropsch synthesis catalysts

被引：17
|
作者：
Huber, GW
Butala, SJM
Lee, ML
Bartholomew, CH
机构：
[1] Brigham Young Univ, Dept Chem Engn, Catalysis Lab, Provo, UT 84602 USA
[2] Brigham Young Univ, Dept Biochem & Chem, Provo, UT 84602 USA
来源：
CATALYSIS LETTERS | 2001年 / 74卷 / 1-2期
关键词：
gadolinium; Gd promotion; Fischer-Tropsch synthesis; CO hydrogenation; cobalt; promoter;
D O I：
10.1023/A:1016613627261
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：
Addition of Gd to CO/SiO2 Fischer-Tropsch synthesis catalysts (1) increases reducibility to Co metal, (2) decreases CH4 selectivity, (3) increases activity for CO hydrogenation based on the mass of Co, and (4) causes carbon deposition at lower temperatures when compared to the unpromoted catalyst. The intrinsic activity, based on H-2 chemisorption surface area, is the same for both unpromoted and promoted catalysts.
引用
收藏
页码：45 / 48
页数：4
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