ISOMERIZATION OF C-13 LABELED BUTANE OVER FE,MN PROMOTED SULFATED ZRO2 CATALYST

被引:156
作者
ADEEVA, V [1 ]
LEI, GD [1 ]
SACHTLER, WMH [1 ]
机构
[1] NORTHWESTERN UNIV,CTR CATALYSIS & SURFACE SCI,DEPT CHEM,VN IPATIEFF LAB,EVANSTON,IL 60208
关键词
BUTANE ISOMERIZATION; IRON PROMOTION; ISOTOPIC LABELING; MANGANESE PROMOTION; ZIRCONIUM OXIDE;
D O I
10.1016/0926-860X(94)80084-7
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
Conversion at low temperature of double labeled butane, (CH3CH2CH2CH3)-C-13-C-13, over sulfated zirconium dioxide modified with iron and manganese ions, leads to isobutanes containing zero, one, two, three and four C-13 atoms in abundances corresponding to a binomial distribution. Isomerization over this catalyst apparently involves oligomerization and beta-fission of a chemisorbed C-8-carbenium ion to iso-C-4 fragments.
引用
收藏
页码:L11 / L15
页数:5
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