掺铁-TiO2/膨润土复合光催化材料制备及性能

• 地球物理·勘查技术·工业材料 • 上一篇

掺铁-TiO₂/膨润土复合光催化材料制备及性能

谭惠¹，李殿超¹，杨殿范²，王瑛玮²

1．吉林大学地球科学学院，长春 130061；2.吉林大学材料科学与工程学院,长春 130026

收稿日期:2006-06-26 修回日期:1900-01-01 出版日期:2007-01-26 发布日期:2007-01-26
通讯作者: 谭惠

Preparation and Properties of Iron Doping Titania/Bentonite Composite Photocatalyst Material

TAN Hui¹, LI Dian-chao¹, YANG Dian-fan²,WANG Ying-wei²

1.College of Earth Sciences,Jilin University,Changchun 130061,China；2.College of Material Science and Engineering,Jilin University,Changchun 130026,China

Received:2006-06-26 Revised:1900-01-01 Online:2007-01-26 Published:2007-01-26
Contact: TAN Hui

摘要/Abstract

摘要： 采用酸性溶胶法制备掺铁-TiO₂/膨润土复合光催化剂，利用XRD﹑IR等测试手段对其进行了表征。通过测试甲基橙溶液的脱色率和COD去除率对复合光催化剂的光催化活性进行了评价。结果表明，该催化剂有较高的催化氧化性能，在太阳光照射下，对pH=4﹑质量浓度为20 mg/L的甲基橙溶液进行降解时，其脱色率可达95%以上，COD去除率可达85%以上。该催化剂在经过200℃焙烧活化2.5 h后可多次重复利用。

关键词: 复合光催化剂, 膨润土, 脱色率, COD

Abstract: Iron doping TiO₂/bentonite composite photocatalyst were prepared by sol-gel method. XRD and IR analysis were used to detect these samples. The photocatalytic properties of these samples were detected by decoloration rate of methyl orange solution and COD. It indicated that the photocatalytic properties of this kind of photocatalyst were prominent. The decoloration rate of 20 mg/L methyl orange solution at pH=4 under visible light could reach to 95% with COD more than 85%.Moreover,this catalyst could be reused several times after sintering at 200℃ for 2.5 h.

Key words: composite photocatalyst, bentonite, decoloration rate, COD

中图分类号:

P619.21

谭惠，李殿超，杨殿范，王瑛玮. 掺铁-TiO₂/膨润土复合光催化材料制备及性能[J]. J4, 2007, 37(1): 204-0208.

TAN Hui, LI Dian-chao, YANG Dian-fan,WANG Ying-wei. Preparation and Properties of Iron Doping Titania/Bentonite Composite Photocatalyst Material[J]. J4, 2007, 37(1): 204-0208.

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掺铁-TiO₂/膨润土复合光催化材料制备及性能

Preparation and Properties of Iron Doping Titania/Bentonite Composite Photocatalyst Material

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