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催化学报  2014 

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

DOI: 10.1016/S1872-2067(12)60699-8, PP. 159-167

Keywords: 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

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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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