Removal of Oxytetracycline in Water by Improved UV Disinfection Process

ZHAO Chun; DENG Huiping; SHANG Ran

doi:10.11835/j.issn.1674-4764.2009.02.029

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Removal of Oxytetracycline in Water by Improved UV Disinfection Process

更新时间：2023-11-28

- Removal of Oxytetracycline in Water by Improved UV Disinfection Process
- Journal of Civil and Environmental Engineering Vol. 31, Issue 2, Pages: 152-156(2009)
- 作者机构：
  
  长江水环境教育部重点实验室,上海,200092
- 作者简介：
- 基金信息：
- DOI：10.11835/j.issn.1674-4764.2009.02.029
  CLC：
- Published：2009
- 稿件说明：
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ZHAO Chun, DENG Huiping, SHANG Ran. Removal of Oxytetracycline in Water by Improved UV Disinfection Process[J]. Journal of Civil and Environmental Engineering, 2009, 31(2): 152-156.
DOI：

ZHAO Chun, DENG Huiping, SHANG Ran. Removal of Oxytetracycline in Water by Improved UV Disinfection Process[J]. Journal of Civil and Environmental Engineering, 2009, 31(2): 152-156. DOI： 10.11835/j.issn.1674-4764.2009.02.029.

摘要

通过固体扩散法（SSD）将一定配比的纳米二氧化钛负载在人造沸石上制成复合光催化剂

研究了不同配比的复合光催化剂在32W紫外灯照射下对水中土霉素的去除效果

比较了UV、UV/TiO2（P25）、UV/沸石及UV/复合光催化剂对土霉素的降解效果

探讨了复合光催化剂投加量、土霉素起始浓度、起始pH值对降解效果的影响。结果表明:10%的纳米二氧化钛和90%的人造沸石制成的复合光催化剂材料在UV照射下对土霉素及TOC具有最佳的去除效果

对于初始浓度为50 mg/L的土霉素水溶液

复合光催化剂投加300 mg/L

Abstract

The removal of oxytetracycline (OTC) in water by UV

UV/TiO2

UV/Zeolite

and UV/Composite photocatalyst with different ratio was investigated respectively with a 32W lowvoltage mercury lamp. The effects of composite photocatalyst concentration

initial OTC concentration and pH value on degradation were also investigated. It was shown that the UV/Composite photocatalyst with 10% TiO2 and 90% Zeolite was an effective one to remove OTC in water. And in a solution with 50 mg/L OTC in ultrapure water the OTC was removed by 99% within 120 min with the help of 300 mg/L composite photocatalyst. The degradation of OTC by UV/Composite photocatalyst was little influenced by its initial concentration

but influenced by its initial pH. In the environment with pH+2~10

the OTC was removed by more than 95% within 120 min with the help of UV/Composite photocatalyst

when the pH is above 10

the removal rate is rapidly decreased. 

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