Adsorption chemistry of sulfur dioxide in hydrated Na-Y zeolite

被引：14

作者：

Kirschhock, CEA ^{[1
]}

Sultana, A ^{[1
]}

Godard, E ^{[1
]}

Martens, JA ^{[1
]}

机构：

[1] Catholic Univ Louvain, Ctr Surface Chem & Catalysis, B-3001 Louvain, Belgium

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2004年 / 43卷 / 28期

关键词：

environmental chemistry; nitrogen oxides; sulfur; X-ray diffraction; zeolites;

D O I：

10.1002/anie.200454266

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Exceptional resistance to sulfur poisoning of the Na-Y zeolite arises from the localization of adsorbed sulfur dioxide on the zeolite in the presence of water. The work shows that Rietveld refinement of guest molecules is a powerful method to determine positions and states of different molecules co-adsorbed on a zeolite (see picture; H2SO3 in yellow (S) and large red spheres (O); zeolite framework in small red (O) and gray (Si or Al) spheres; large gray sphere is the Na cation).

引用

页码：3722 / 3724

页数：3

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