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固体超强酸SO42-/TiO2-SnO2／Ce4+ 光催化降解含酚废水

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王九思, 王宏英, 赵来, 吕涛涛, 王琪. 固体超强酸SO42-/TiO2-SnO2／Ce4+ 光催化降解含酚废水[J]. 环境工程学报, 2013, 7(2): 573-578.
引用本文: 王九思, 王宏英, 赵来, 吕涛涛, 王琪. 固体超强酸SO42-/TiO2-SnO2／Ce4+ 光催化降解含酚废水[J]. 环境工程学报, 2013, 7(2): 573-578.
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Wang Jiusi, Wang Hongying, Zhao Lai, Lü Taotao, Wang Qi. Photocatalystic degradation of phenol solution by solid superacid catalyst SO42-/TiO2-SnO2／Ce4+[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 573-578.
Citation: Wang Jiusi, Wang Hongying, Zhao Lai, Lü Taotao, Wang Qi. Photocatalystic degradation of phenol solution by solid superacid catalyst SO42-/TiO2-SnO2／Ce4+[J]. Chinese Journal of Environmental Engineering, 2013, 7(2): 573-578.
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固体超强酸SO42-/TiO2-SnO2／Ce4+ 光催化降解含酚废水

  • 1.

    兰州交通大学化学与生物工程学院,兰州 730070

  • 基金项目:

    甘肃省自然科学基金资助项目(3ZX062-B25-002)

  • 中图分类号: X703

Photocatalystic degradation of phenol solution by solid superacid catalyst SO42-/TiO2-SnO2／Ce4+

  • 1.

    School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070,China

  • Fund Project:

  • 摘要: 采用共沉淀-浸渍法制备了固体超强酸SO42-/TiO2-SnO2／Ce4+,并用XRD、SEM等方法对其结构进行了表征。以苯酚的光催化降解为反应模型,确定了最佳的工艺条件和催化剂再生方法。结果表明:在pH值为6,苯酚初始浓度为50 mg/L,催化剂投加量4 g/L,光照距离12 cm,光照时间为150 min,降解率达67.73%,添加助催化剂H2O2后,反应60 min,苯酚降解率达到86.33%,催化剂的最佳再生方法是先用1 mol/L的硫酸浸渍24 h后,在450℃下焙烧6 h。
    Abstract: Solid surperacid catalyst SO42-/TiO2-SnO2/Ce4+was prepared by the coprecipitation-impregnation method and characterized by XRD and SEM. The optimum technological conditions and regeneration method of catalyst were determined by chosing photocatalytic degradation of phenol as model reaction. The results indicated that the degradation rate of phonel solution was up to 67.73% under the optimum conditions of pH value 6, catalyst loading of 4 g/L, initial phonel concentration of 50 mg/L, light distance of 12 cm and recation time of 150 min , moreover, the phenol degradation rate of 86.33% was obtained after adding auxiliary catalyst H2O2 and reacting for 60 min. The best regeneration method of catalyst was that the catalyst was calcinated at 450℃ for 6 h after soaking it in H2SO4 of 1 mol/L for 24 h.
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  • 收稿日期:  2012-02-27
  • 刊出日期:  2013-02-02

固体超强酸SO42-/TiO2-SnO2／Ce4+ 光催化降解含酚废水

  • 1. 兰州交通大学化学与生物工程学院,兰州 730070
  • 收稿日期:  2012-02-27
基金项目:

甘肃省自然科学基金资助项目(3ZX062-B25-002)

摘要: 采用共沉淀-浸渍法制备了固体超强酸SO42-/TiO2-SnO2／Ce4+,并用XRD、SEM等方法对其结构进行了表征。以苯酚的光催化降解为反应模型,确定了最佳的工艺条件和催化剂再生方法。结果表明:在pH值为6,苯酚初始浓度为50 mg/L,催化剂投加量4 g/L,光照距离12 cm,光照时间为150 min,降解率达67.73%,添加助催化剂H2O2后,反应60 min,苯酚降解率达到86.33%,催化剂的最佳再生方法是先用1 mol/L的硫酸浸渍24 h后,在450℃下焙烧6 h。

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