Activity of commercial zeolites with iron impurities in direct N2O decomposition

被引：39
|
作者：
Oygarden, Arne H.
Perez-Ramirez, Javier
机构：
[1] ICREA, Tarragona 43007, Spain
[2] Inst Chem Res Catalonia ICIQ, Tarragona 43007, Spain
[3] Yara Technol Ctr Porsgrunn, N-3908 Porsgrunn, Norway
来源：
APPLIED CATALYSIS B-ENVIRONMENTAL | 2006年 / 65卷 / 1-2期
关键词：
zeolites; framework type; N2O decomposition; iron impurities; steaming;
D O I：
10.1016/j.apcatb.2006.03.002
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：
Various commercially available zeolite frameworks (MFI, FER, BEA, MOR, FAU) with iron impurities ranging from 85 to 780 ppm and nominal Si/Al ratios of 10-15 have been tested in direct N2O decomposition after calcination and steam treatment. Our results show a significant impact of the framework type on the catalytic activity at these high degrees of iron dilution (Fe/Al < 0.01). H-beta was the most effective material in the reaction, followed by the other pentasyl-type H-ferrierite and H-ZSM-5 zeolites. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：163 / 167
页数：5
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