SELECTIVE REDUCTION OF NITRIC-OXIDE BY METHANE ON H-FORM ZEOLITE CATALYSTS IN OXYGEN-RICH ATMOSPHERE

被引：81

作者：

YOGO, K ^{[1
]}

UMENO, M ^{[1
]}

WATANABE, H ^{[1
]}

KIKUCHI, E ^{[1
]}

机构：

[1] WASEDA UNIV,SCH SCI & ENGN,DEPT APPL CHEM,3-4-1 OKUBO,SHINJUKU KU,TOKYO 169,JAPAN

来源：

CATALYSIS LETTERS | 1993年 / 19卷 / 2-3期

关键词：

NITRIC OXIDE; SELECTIVE REDUCTION; METHANE; ZEOLITE;

D O I：

10.1007/BF00771747

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：

Selective reduction of NO by CH4 in the presence of excess oxygen was investigated using H-form zeolite catalysts. H-ZSM-5, H-ferrierite, and H-mordenite showed high catalytic activity and selectivity. On the contrary, H-USY and Al2O3 were not effective for this reaction. Both NO-CH4 and O2-CH4 reaction hardly proceeded on H-ZSM-5. Higher NO(x) conversion was obtained in the NO2-O2-CH4 and NO2-CH4 SYStems than in the NO-O2-CH4 system under high GHSV condition. It seemed that NO2 Plays an important role for selective reduction of NO by CH4 on H-form zeolites.

引用

页码：131 / 135

页数：5

共 16 条

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