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过渡金属氧化物掺杂对铜锰氧化物催化CO氧化性能的影响

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Indexed by:期刊论文

Date of Publication:2014-02-01

Journal:催化学报

Included Journals:SCIE、EI、PKU、ISTIC、CSCD、Scopus

Volume:35

Issue:2

Page Number:159-167

ISSN No.:0253-9837

Key Words:铜锰氧化物;过渡金属氧化物;掺杂;一氧化碳氧化;原位红外漫反射光谱

Abstract:以乙酸铜和乙酸锰为铜锰前驱体,以NH4HCO3为沉淀剂,相应金属硝酸盐为掺杂剂,采用共沉淀法制备了不同过渡金属氧化物掺杂的铜锰氧化物催化剂.采用N2物理吸附、X射线衍射,氢气-程序升温还原和原位红外漫反射光谱等方法对催化剂进行了表征,考察了系列催化剂上CO反应性能.结果表明,掺杂过渡金属氧化物可以调变催化剂对CO的吸附能力,进而影响催化剂性能.

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