ISOMERIZATION OF NORMAL-BUTENES INTO ISOBUTENE OVER FLUORINATED ALUMINAS - INFLUENCE OF EXPERIMENTAL CONDITIONS UPON SELECTIVITY

被引:59
作者
SZABO, J
PERROTEY, J
SZABO, G
DUCHET, JC
CORNET, D
机构
[1] TOTAL FRANCE RES CTR,HARFLEUR,FRANCE
[2] UNIV CAEN,F-14032 CAEN,FRANCE
来源
JOURNAL OF MOLECULAR CATALYSIS | 1991年 / 67卷 / 01期
关键词
D O I
10.1016/0304-5102(91)85035-Z
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
When 1-butene is converted over a fluorinated alumina catalyst, the theoretical yield of isobutene is lowered by a number of side reactions: dimerization into C-8, transformation into C3 and C5, hydrogen transfer and coking. The amount of the byproducts depends upon temperature, feed composition, contact time and time-on-stream. Conditions ensuring a high isobutene selectivity together with a slow catalyst deactivation are derived.
引用
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页码:79 / 90
页数:12
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