A NEW APPROACH ON CATALYTIC CRACKING CATALYST DEACTIVATION

被引:3
|
作者
MARTINEZ, NP
QUESADA, AM
机构
[1] INTEVEP S.A., Catálisis Aplicada, Caracas, 1070-A
关键词
CATALYTIC CRACKING; CATALYST DEACTIVATION; VANADIUM EFFECT IN FCC; SULFATE EFFECT IN FCC;
D O I
10.1007/BF00765041
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
The existence of acidic species other than those of vanadic acid is suggested to be responsible for the FCC catalyst deactivation. These species would come from SO(x) adsorption on the catalytic surface which would react with the most acid sites of the zeolite, ultimately leading to loss of crystallinity.
引用
收藏
页码:383 / 387
页数:5
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