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PVA-I修饰介孔TiO2光催化剂对盐酸四环素的光降解

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赵雪辉, 蒋彩云, 王玉萍. PVA-I修饰介孔TiO2光催化剂对盐酸四环素的光降解[J]. 环境工程学报, 2014, 8(10): 4060-4066.
引用本文: 赵雪辉, 蒋彩云, 王玉萍. PVA-I修饰介孔TiO2光催化剂对盐酸四环素的光降解[J]. 环境工程学报, 2014, 8(10): 4060-4066.
shu
Zhao Xuehui, Jiang Caiyun, Wang Yuping. Photocatalytic degradation of tetracycline hydrochloride using mesoporous TiO2 modified by PVA-I[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4060-4066.
Citation: Zhao Xuehui, Jiang Caiyun, Wang Yuping. Photocatalytic degradation of tetracycline hydrochloride using mesoporous TiO2 modified by PVA-I[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4060-4066.
shu

PVA-I修饰介孔TiO2光催化剂对盐酸四环素的光降解

  • 1.

    南京师范大学化学与材料科学学院, 南京 210097

  • 2.

    江苏经贸职业技术学院工程技术系, 南京 210007

  • 3.

    化工污染控制与资源化江苏省高校重点实验室(南京理工大学), 江苏 南京 210093

  • 基金项目:

    国家自然科学基金资助项目（51278253）

    江苏省省级环境保护专项资金资助项目（2013002）

    化工污染控制与资源化江苏省高校重点实验室（南京理工大学）创新基金资助项目（30920140122008）

    江苏省物质循环过程与污染控制重点实验室、江苏省生物医药功能材料协同创新中心和南京师范大学光电重点实验室基金

    江苏省“青蓝工程”、江苏经贸职业技术学院重大课题资助项目（JMZ1201210）

  • 中图分类号: O643/X7

Photocatalytic degradation of tetracycline hydrochloride using mesoporous TiO2 modified by PVA-I

  • 1.

    College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210097, China

  • 2.

    Departments of Engineering and Technology, Jiangsu Institute of Economic and Trade Technology, Jiangsu Engineering and Research Center of Food Safety, Nanjing 210007, China

  • 3.

    Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse (Nanjing University of Science and Technology), Nanjing 210093, China

  • Fund Project:

  • 摘要: 水热法制备了PVA-I修饰的介孔TiO2催化剂，利用XRD、UV-Vis、BET和Zeta电位等手段对所制备的催化剂进行了表征。研究了改性的介孔TiO2在模拟太阳光下对盐酸四环素的光催化降解，考察了盐酸四环素的初始浓度、溶液的初始pH、共存离子对盐酸四环素光催化降解去除率的影响。实验结果表明，PVA-I修饰的TiO2催化剂为锐钛矿的介孔TiO2，比表面积190.22 m2/g，催化剂的等电点为3.92。PVA-I修饰的介孔TiO2催化剂在模拟太阳光下对TC光催化降解效率可达96.7%，比P25的催化效率提高1.23倍。NO3-、SO42-和PO43-对盐酸四环素的光降解有明显的抑制作用。
    Abstract: PVA-I modified mesoporous TiO2 (PVA-I-TiO2) nanoparticles were prepared by hydrothermal method, and characterized by XRD,UV-Vis,BET and Zata Potential measurement, etc. The photocatalytic degradation of tetracycline hydrochloride (TC) was studied by PVA-I-TiO2 under the simulated sunlight. The influences of initial concentration, pH, and ions on the photocatalytic removal efficiency of the TC were investigated. The results show that PVA-I-TiO2 is anatase TiO2 and the specific surface area and isoelectric point is 190.22 m2/g and 3.92, respectively. The TC photocatalytic degradation efficiency can get to 96.7% under the simulated sunlight by PVA-I-TiO2 which is 1.23 times higher than that by P25. The degradation of TC is significantly limited by low concentration of NO3-,SO42-and PO43-.
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  • 收稿日期:  2013-12-03
  • 刊出日期:  2014-09-28
赵雪辉, 蒋彩云, 王玉萍. PVA-I修饰介孔TiO2光催化剂对盐酸四环素的光降解[J]. 环境工程学报, 2014, 8(10): 4060-4066.
引用本文: 赵雪辉, 蒋彩云, 王玉萍. PVA-I修饰介孔TiO2光催化剂对盐酸四环素的光降解[J]. 环境工程学报, 2014, 8(10): 4060-4066.
shu
Zhao Xuehui, Jiang Caiyun, Wang Yuping. Photocatalytic degradation of tetracycline hydrochloride using mesoporous TiO2 modified by PVA-I[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4060-4066.
Citation: Zhao Xuehui, Jiang Caiyun, Wang Yuping. Photocatalytic degradation of tetracycline hydrochloride using mesoporous TiO2 modified by PVA-I[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4060-4066.
shu

PVA-I修饰介孔TiO2光催化剂对盐酸四环素的光降解

  • 1.  南京师范大学化学与材料科学学院, 南京 210097
  • 2.  江苏经贸职业技术学院工程技术系, 南京 210007
  • 3.  化工污染控制与资源化江苏省高校重点实验室(南京理工大学), 江苏 南京 210093
  • 收稿日期:  2013-12-03
基金项目:

国家自然科学基金资助项目（51278253）

江苏省省级环境保护专项资金资助项目（2013002）

化工污染控制与资源化江苏省高校重点实验室（南京理工大学）创新基金资助项目（30920140122008）

江苏省物质循环过程与污染控制重点实验室、江苏省生物医药功能材料协同创新中心和南京师范大学光电重点实验室基金

江苏省“青蓝工程”、江苏经贸职业技术学院重大课题资助项目（JMZ1201210）

摘要: 水热法制备了PVA-I修饰的介孔TiO2催化剂，利用XRD、UV-Vis、BET和Zeta电位等手段对所制备的催化剂进行了表征。研究了改性的介孔TiO2在模拟太阳光下对盐酸四环素的光催化降解，考察了盐酸四环素的初始浓度、溶液的初始pH、共存离子对盐酸四环素光催化降解去除率的影响。实验结果表明，PVA-I修饰的TiO2催化剂为锐钛矿的介孔TiO2，比表面积190.22 m2/g，催化剂的等电点为3.92。PVA-I修饰的介孔TiO2催化剂在模拟太阳光下对TC光催化降解效率可达96.7%，比P25的催化效率提高1.23倍。NO3-、SO42-和PO43-对盐酸四环素的光降解有明显的抑制作用。

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