CATALYTIC DECOMPOSITION OF NITROUS-OXIDE ON METAL EXCHANGED ZEOLITES

被引：315

作者：

LI, YJ ^{[1
]}

ARMOR, JN ^{[1
]}

机构：

[1] AIR PROD & CHEM INC,7201 HAMILTON BLVD,ALLENTOWN,PA 18195

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 1992年 / 1卷 / 03期

关键词：

DECOMPOSITION; NITROUS OXIDE; N2O; ZEOLITES; ZSM-5;

D O I：

10.1016/0926-3373(92)80019-V

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 catalytic decomposition of nitrous oxide to nitrogen and oxygen was studied over a number of catalysts. Copper and cobalt exchanged ZSM-5, mordenite, zeolite beta, ZSM-11 and ferrierite are much more active than other cation-exchanged zeolites (Cu-Y, Co-Y, Co-erionite, Cu-L, Co-L, Ni-ZSM-5, Mn-ZSM-5) and metal oxides (CuO/Al2O3, and CoO/Al2O3). For noble metal catalysts, a cation exchanged ZSM-5 has higher activity than the Al2O3 supported form. Rhodium is the most active catalyst, but surprisingly Pt-ZSM-5 is one of the least active catalysts of all. Also, the effects of oxygen and nitric oxide addition, metal loading, and pretreatment upon the catalyst activity were evaluated.

引用

页码：L21 / L29

页数：9

共 42 条

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