CATALYTIC CRACKING OF ALKANES ON MCM-22 ZEOLITE - COMPARISON WITH ZSM-5 AND BETA-ZEOLITE AND ITS POSSIBILITY AS AN FCC CRACKING ADDITIVE

被引：78

作者：

CORMA, A ^{[1
]}

GONZALEZALFARO, V ^{[1
]}

ORCHILLES, AV ^{[1
]}

机构：

[1] UNIV VALENCIA, DEPT INGN QUIM, E-46100 BURJASSOT, SPAIN

来源：

APPLIED CATALYSIS A-GENERAL | 1995年 / 129卷 / 02期

关键词：

ALKANE CRACKING; FCC; MCM-22; ZEOLITES;

D O I：

10.1016/0926-860X(95)00081-X

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：

N-heptane cracking has been carried out on MCM-22, and its kinetic and decay behaviour is compared with that of ZSM-5 and Beta zeolites. In the case of MCM-22 cracking occurs in the 10-member ring channel system, as well as in the large cavities formed by 12-member rings. Product selectivities show that MCM-22, while presenting features which indicate structural similarities with ZSM-5, it also presents characteristics corresponding to pores or cavities larger than ZSM-5. The selectivities to the individual products together with C-1 + C-2/iC(4), C-3/C-4, C-5/C-2, iC(4)/total C-4, and alkane/alkene ratios indicate that MCM-22 has good properties to be used as an FCC octane booster additive specially valuable for the production of reformulated gasolines.

引用

页码：203 / 215

页数：13

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