FREQUENCY-RESPONSE METHOD IN THE STUDY OF METHANE DIFFUSION IN 3 CATION-EXCHANGED ZEOLITES-A

被引：6

作者：

CARTIGNY, J

GIERMANSKAKAHN, J

DELARA, EC

机构：

[1] Département de Recherches Physiques, associé au CNRS, Université Pierre et Marie Curie, Paris

来源：

ZEOLITES | 1994年 / 14卷 / 07期

关键词：

FREQUENCY RESPONSE; INTRA- AND INTERCRYSTALLINE DIFFUSION; A-TYPE ZEOLITES; METHANE;

D O I：

10.1016/0144-2449(94)90193-7

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：

The frequency-response method has been applied to compare the methane diffusion processes in similar-size crystals of A-type zeolites containing different exchangeable cations (K, Na, Ca). This has been done in order to discriminate between inter- and intracrystalline diffusion. The signal observed in NaA and NaCaA zeolites attributed to the intracrystalline diffusion is modified by surface barriers in the Linde crystals. The apparatus for diffusion measurements by the frequency-response method is described.

引用

页码：576 / 581

页数：6

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