THE SORPTION OF PARA-XYLENE IN ZSM-5

被引：70

作者：

RICHARDS, RE ^{[1
]}

REES, LVC ^{[1
]}

机构：

[1] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,PHYS CHEM LABS,LONDON SW7 2AY,ENGLAND

来源：

ZEOLITES | 1988年 / 8卷 / 01期

关键词：

DESORPTION; -; ZEOLITES;

D O I：

10.1016/S0144-2449(88)80027-7

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：

Sorption/desorption isotherms of p-xylene on HZSM-5 (Si/Al equals 132) have been measured using a gravimetric balance (Cahn 2000). A hysteresis loop was observed for sorbate loadings greater than 4 molecules per u. c. The isosteric heat of adsorption was approximately 80 kJ mol** minus **1, and the differential molar entropy of adsorption indicated an increase in ordering of the sorbed phase with increasing coverage.

引用

页码：35 / 39

页数：5

共 22 条

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