吉林大学学报(地球科学版) ›› 2015, Vol. 45 ›› Issue (6): 1833-1838.doi: 10.13278/j.cnki.jjuese.201506207

• 地质工程与环境工程 • 上一篇    下一篇

基于响应面的可见光催化材料制备与优化

邹东雷, 李婷婷, 高梦薇, 钱宁, 张高瑞洋, 董双石   

  1. 吉林大学地下水资源与环境教育部重点实验室, 长春 130021
  • 收稿日期:2015-03-04 发布日期:2015-11-26
  • 通讯作者: 董双石(1980),男,副教授,博士,主要从事环境高级氧化技术研究,E-mail:dongshuangshi@gmail.com。 E-mail:dongshuangshi@gmail.com
  • 作者简介:邹东雷(1964),男,教授,博士,主要从事污水的化学和生物处理技术研究,E-mail:zoudl@jlu.edu.cn
  • 基金资助:

    国家自然科学基金项目(50908096);吉林省科技发展计划项目(20140101159JC)

Preparation and Optimization of the Photocatalytic Materials Under Visible Light with Response Surface Methodology

Zou Donglei, Li Tingting, Gao Mengwei, Qian Ning, Zhang Gaoruiyang, Dong Shuangshi   

  1. Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
  • Received:2015-03-04 Published:2015-11-26

摘要:

为使TiO2能在可见光作用下发挥光催化作用,并易于从水中分离,将掺有稀土金属离子Er3+的上转换发光剂Er3+:YAlO3与TiO2采用溶胶-凝胶法结合,再将其负载于聚氨酯海绵(PS)载体表面,制备Er3+:YAlO3/TiO2-PS光催化剂。利用响应面(RSM)方法对光催化材料制备条件进行优化,根据中心组合设计方法设计出3因素5水平析因实验,以光催化剂对苯酚的降解率作为响应值,得到最佳的催化剂制备条件:在水热处理温度110~114 ℃、光催化剂中TiO2质量浓度60~65 mg/L、海绵/溶胶负载比20 g/L时苯酚降解率最佳,与实测结果相符。

关键词: 上转换发光, 光催化, 响应面分析, 苯酚, 聚氨酯海绵

Abstract:

In order to develop the high photocatalytic performance of TiO2 under visible light and make it easy to be separated from the treated liquid, a visible light response photocatalyst is prepared through doping of the upconversion luminescence agent Er3+:YAlO3 with TiO2, and immobilizing Er3+:YAlO3/TiO2 on the surface of Polyurethane Sponge (PS) by use of sol-gel method. Based on the surface response methodology (RSM), an experiment is designed to assess the individual and interaction effects of the three operating parameters (hydrothermal treatment temperature, TiO2 concentration, and PS-to-TiO2 sol ratio) on the efficiency of phenol removal. The corresponding optimum preparing conditions are 110-114 ℃, 60-65 mg/L, and 20 g/L. The measured efficiency of phenol removal is maximijed under these conditions.

Key words: upconversion luminescence, photocatalytic degradation, response surface methodology, phenol, polyurethane sponge

中图分类号: 

  • TU992.3

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