High selective skeletal isomerization of 1-Butene over phosphorus-modified silica-alumina

被引：0
|
作者：
Wang-Gi Kim
Na-Hyeon Kim
Jong-Ho Kim
Gon Seo
机构：
[1] Chonnam National University,Dept. of Chem. Tech. & The Research Institute for Catalysis
[2] Kwangyang College,Dept. of Petro. Industry
来源：
Korean Journal of Chemical Engineering | 1999年 / 16卷
关键词：
1-Butene; Skeletal Isomerization; Silica-Alumina; Phosphorus Modification; Monomolecular Reaction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Silica-alumina catalysts modified with different loadings of phosphorus have been used for the skeletal isomerization of 1-butene to investigate the effects of the phosphorus modification on the conversion of 1-butene and the selectivity for iso-butene. Increasing the phosphorus loading led to a decrease in conversion of 1-butene over phosphorus-modified silica-alumina catalysts, while the selectivity for iso-butene increased. Silica-alumina catalyst with phosphorus of 9.8 wt% showed an extremely high selectivity for iso-butene. The results of NH3-TPD, adsorption-desorption behavior of 1-butene and TG analysis of used catalysts indicate that the considerable decrease of strong acid sites by phosphorus modification causes the high selectivity for skeletal isomerization of 1-butene.
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页码：392 / 395
页数：3
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