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author:

苏文悦 (苏文悦.) [1] | 陈亦琳 (陈亦琳.) [2] | 付贤智 (付贤智.) [3] | 魏可镁 (魏可镁.) [4]

Abstract:

采用sol-gel法制备了一系列SO_2~(2-)/TiO_2-SiO_2催化剂,研究了添加SiO_2对SO_2~(2-)/TiO_2超强酸样品的晶相结构,比表面积、酸性、氧吸附性能和光催化降解溴代甲烷反应性能的影响。实验结果表明,SO_2~(2-)/TiO_2体系中引入SiO_2使催化剂的比表面积和氧吸附量增加,导致光催化降解溴代甲烷的活性和溴代甲烷的矿化率明显提高。与SO_2~(2-)/TiO_2相比,SO_2~(2-)/TiO_2-SiO_2催化剂的酸强度略有降低、反应物中水蒸汽对催化剂活性的负面影响增加。

Keyword:

SO_2~(2-)/TiO_2-SiO_2 光催化性能 固体超强酸

Community:

  • [ 1 ] 福州大学光催化研究所

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Source :

Year: 2000

Language: Chinese

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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