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光纤传导可见光降解亚甲基蓝

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储金宇, 仲蕾. 光纤传导可见光降解亚甲基蓝[J]. 环境工程学报, 2013, 7(3): 1035-1039.
引用本文: 储金宇, 仲蕾. 光纤传导可见光降解亚甲基蓝[J]. 环境工程学报, 2013, 7(3): 1035-1039.
shu
Chu Jinyu, Zhong Lei. Photocatalytic degradation of methylene blue via side-glowing optical fiber under visible light[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 1035-1039.
Citation: Chu Jinyu, Zhong Lei. Photocatalytic degradation of methylene blue via side-glowing optical fiber under visible light[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 1035-1039.
shu

光纤传导可见光降解亚甲基蓝

  • 1.

    江苏大学环境学院,城市水资源与水环境国家重点实验室江苏大学研究中心,镇江 212013

  • 基金项目:

  • 中图分类号: X703

Photocatalytic degradation of methylene blue via side-glowing optical fiber under visible light

  • 1.

    Branch Center of State Key Laboratory of Urban Water Resource and Environment, School of Environment, Jiangsu University, Zhenjiang 212013, China

  • Fund Project:

  • 摘要: 针对浓度大、色度高的印染废水难以处理的情况,选用加入光纤的光催化体系进行研究。采用溶胶凝胶法制备了Ag+/TiO2粉体光催化剂,用固体紫外可见光谱、X射线衍射对其进行表征。选用亚甲基蓝溶液作为目标降解物,评价了Ag+/TiO2在可见光下的光催化活性。分别考察了加入石英芯侧光光纤与塑料侧光光纤反应体系下,催化剂量、光纤数量、光照强度和pH值等因素对亚甲基蓝降解实验的影响。结果表明,选用20 mg/L的亚甲基蓝,采用催化剂量为11.67 g/L,500根侧光光纤,300 W的外部光源,pH值约为11时,光催化降解效果最佳,均能达到90%以上。
    Abstract: The photocatalytic system of side-glowing optical fibers (SOFs) was used to treat dyeing wastewater with high concentration and chroma. In this study, methylene blue (MB) was chosen as goal degradant. Ag+/TiO2 powder was prepared by sol-gel method, and characterized by ultraviolet visible spectroscopy of solid diffuse reflectance (UV-Vis DRS), X-ray diffraction (XRD). Ag+/TiO2 catalytic activity under the visible light irradiation was evaluated. The authors investigated different reaction conditions between quartz core and plastic side-glowing optical fiber system. The impact factors include the dosage of catalyst, quantity of optical fiber, illumination intensity, and pH and so on. The changes of MB degradation efficiency was discussed. The results show that the MB was degraded by more than 90% within 8 h under the conditions that the dosage of Ag+/TiO2 was 11.67 g/L, initial concentration of MB was 20 mg/L, the quality of SOFs was 500, pH was about 11 and the external light source was 300 W.
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  • 收稿日期:  2011-10-11
  • 刊出日期:  2013-03-18
储金宇, 仲蕾. 光纤传导可见光降解亚甲基蓝[J]. 环境工程学报, 2013, 7(3): 1035-1039.
引用本文: 储金宇, 仲蕾. 光纤传导可见光降解亚甲基蓝[J]. 环境工程学报, 2013, 7(3): 1035-1039.
shu
Chu Jinyu, Zhong Lei. Photocatalytic degradation of methylene blue via side-glowing optical fiber under visible light[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 1035-1039.
Citation: Chu Jinyu, Zhong Lei. Photocatalytic degradation of methylene blue via side-glowing optical fiber under visible light[J]. Chinese Journal of Environmental Engineering, 2013, 7(3): 1035-1039.
shu

光纤传导可见光降解亚甲基蓝

  • 1. 江苏大学环境学院,城市水资源与水环境国家重点实验室江苏大学研究中心,镇江 212013
  • 收稿日期:  2011-10-11
基金项目:

摘要: 针对浓度大、色度高的印染废水难以处理的情况,选用加入光纤的光催化体系进行研究。采用溶胶凝胶法制备了Ag+/TiO2粉体光催化剂,用固体紫外可见光谱、X射线衍射对其进行表征。选用亚甲基蓝溶液作为目标降解物,评价了Ag+/TiO2在可见光下的光催化活性。分别考察了加入石英芯侧光光纤与塑料侧光光纤反应体系下,催化剂量、光纤数量、光照强度和pH值等因素对亚甲基蓝降解实验的影响。结果表明,选用20 mg/L的亚甲基蓝,采用催化剂量为11.67 g/L,500根侧光光纤,300 W的外部光源,pH值约为11时,光催化降解效果最佳,均能达到90%以上。

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