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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

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2014-02-01

Journal: 催化学报

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

Volume: 35

Issue: 2

Page Number: 159-167

ISSN: 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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