The reaction route and active site of catalytic decomposition of hydrazine over molybdenum nitride catalyst

被引：114

作者：

Chen, XW ^{[1
]}

Zhang, T ^{[1
]}

Zheng, MY ^{[1
]}

Wu, ZL ^{[1
]}

Wu, WC ^{[1
]}

Li, C ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

来源：

JOURNAL OF CATALYSIS | 2004年 / 224卷 / 02期

基金：

中国国家自然科学基金;

关键词：

molybdenum nitride; hydrazine decomposition; Fr-IR spectroscopy; hydrazine adsorption;

D O I：

10.1016/j.jcat.2004.02.035

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 properties of the passivated, reduced passivated, and fresh bulk molybdenum nitride for hydrazine decomposition were evaluated in a microreactor. The reaction route of hydrazine decomposition over molybdenum nitride catalysts seems to be the same as that of Ir/gamma-Al2O3 catalysts. Below 673 K, the hydrazine decomposes into N-2 and NH3. Above 673 K, the hydrazine decomposes into N-2 and NH3 first, and then the produced NH3 further dissociates into N-2 and H-2. From the in situ FT-IR spectroscopy, hydrazine is adsorbed and decomposes mainly on the Mo site of the Mo2N/gamma-Al2O3 catalyst. (C) 2004 Elsevier Inc. All rights reserved.

引用

页码：473 / 478

页数：6

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