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author:

孙伟华 (孙伟华.) [1] | 方建丰 (方建丰.) [2] | 詹瑛瑛 (詹瑛瑛.) [3] | 郑起 (郑起.) [4]

Abstract:

本文采用共沉淀法制备了Au/Mn原子比为1/30的Au/MnOx催化剂,利用XRD、N2物理吸附等表征手段,考察了pH值、焙烧温度和加料顺序等制备参数对Au/MnOx催化剂的组成、结构及催化氧化CO性能的影响,发现Au粒子尺寸是影响Au/MnOx催化剂活性的关键因素,载体中Mn以无定型MnOx存在最有利于金的分散。采用并流共沉淀,控制沉淀终点pH值为7,300oC焙烧可获得活性较佳的Au/MnOx催化剂。

Keyword:

Au/MnOx CO氧化 制备参数

Community:

  • [ 1 ] 福州大学化肥催化剂国家工程研究中心

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Year: 2007

Language: Chinese

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 1

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