SELECTIVE SYNTHESIS OF ALPHA-OLEFINS ON FE-ZN FISCHER-TROPSCH CATALYSTS

被引:86
作者
SOLED, SL
IGLESIA, E
MISEO, S
DERITES, BA
FIATO, RA
机构
[1] UNIV CALIF BERKELEY,DEPT CHEM ENGN,BERKELEY,CA 94720
[2] EXXON RES & ENGN CO,FLORHAM PK,NJ 07932
来源
TOPICS IN CATALYSIS | 1995年 / 2卷 / 1-4期
关键词
FISCHER-TROPSCH; ALPHA-OLEFINS; IRON-ZINC OXIDES;
D O I
10.1007/BF01491967
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Fe/Zn oxides promoted with K and Cu selectively produce alpha-olefins at typical Fischer-Tropsch synthesis conditions (2/1 H-2/CO, 1 MPa, and 270 degrees C). The simultaneous presence of a synergistic activity enhancement while maintaining the high olefin selectivity obtained by alkali promotion. Structural and morphological differences in Fe-Zn oxides prepared from ammonium glycolate complexes or precipitated from nitrate solutions have only a small influence on catalytic properties. Catalyst behavior is strongly influenced by synergistic promoter effects (Cu, K) and by the controlled in situ conversion of iron oxide precursors to carbides.
引用
收藏
页码:193 / 205
页数:13
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