UV-TiO<sub>2</sub>-Fenton光催化降解敌百虫农药废水的研究

doi:10.11894/1005-829x.2006年.26（06）.33

工业水处理 ›› 2006, Vol. 26 ›› Issue (6): 33-36. doi: 10.11894/1005-829x.2006年.26（06）.33

UV-TiO₂-Fenton光催化降解敌百虫农药废水的研究

彭延治¹, 徐明芳², 曾常军³, 陈心满¹

1. 暨南大学水生研究所, 广东, 广州 510632;
2. 暨南大学生物工程系, 广东, 广州 510632;
3. 广州建兴光电广州有限公司, 广东, 广州 510663

收稿日期:2006-01-25 出版日期:2006-06-20 发布日期:2010-10-01
作者简介:彭延治(1978- )，2006 年毕业于暨南大学，硕士。E-mail: xmxmxm2004@yahoo.com.cn。
基金资助:
广东省科技攻关资助项目(2KM02501G)

Study on the photocatalytic degradation of trichlorfon pesticides wastewater by using UV-TiO₂-Fenton reagent

Peng Yanzhi¹, Xu Mingfang², Zeng Changjun³, Chen Xinman¹

1. Hydrobiological Research Center, Jinan University, Guangzhou 510632, China;
2. Department of Bioengineering, Jinan University, Guangzhou 510632, China;
3. LITC-ON OPTO TECH(GZ) Co., Ltd., Guangzhou 510663, China

Received:2006-01-25 Online:2006-06-20 Published:2010-10-01

摘要/Abstract

摘要：

研究了UV-TiO₂-Fenton体系光催化降解敌百虫农药。结果表明:UV-TiO₂-Fenton有极强的氧化性，能有效地降解敌百虫农药。当敌百虫农药浓度为0.1 mmol/L，反应液起始pH为3.25，通空气量为2 L/min，TiO₂质量浓度为2 g/L，Fe³⁺用量为0.10 mmol/L，H₂O₂用量为2 mmol/L，光照时间为2 h时，敌百虫农药有机磷的降解率为92.50%，同时发现Cl-、SO42-和H2PO4-等无机阴离子对敌百虫农药的光催化降解产生抑制作用。还探讨了起始pH、无机阴离子，以及电子接受体Fe³⁺等对光催化降解敌百虫农药的影响。

关键词: 光催化降解, 敌百虫, 有机磷农药

Abstract:

The photocatalytic degradation of trichlorfon pesticides by using UV-TiO₂-Fenton reagent has been studied. The results showthat UV-TiO₂-Fenton reagent is excellent at oxidation and the effect of degradation of trichlorfon pesticides is more effective. The degradation efficiency of trichlorfon pesticides is up to 92.50%, when the concentration oftrichlorfon pesticides is 0.1 mmol/L, the original pH value of the reaction solution is 3.25, the air-flowis 2 L/min, the amount of TiO₂ is 2 g/L, the amount of Fe ³⁺ is 0.1 mmol/L, the amount of H₂O₂ is 2 mmol/L and the radiation time is 2 h. Meantime, the photocatalytic degradation of trichlorfon pesticides is inhibited in the presence of abio-anion such as Cl^-, SO₄ ^2- and H₂PO_4- and so on. Various factors, such as the original pH value, abioanion, the acceptor of electron Fe ³⁺ that influence the photocatalytic degradation of trichlorfon pesticides, have been studied.

Key words: photocatalytic degradation, trichlorfon, organophosphorous pesticides

中图分类号:

X703.1

彭延治, 徐明芳, 曾常军, 陈心满. UV-TiO₂-Fenton光催化降解敌百虫农药废水的研究[J]. 工业水处理, 2006, 26(6): 33-36.

Peng Yanzhi, Xu Mingfang, Zeng Changjun, Chen Xinman. Study on the photocatalytic degradation of trichlorfon pesticides wastewater by using UV-TiO₂-Fenton reagent[J]. INDUSTRIAL WATER TREATMENT, 2006, 26(6): 33-36.

https://www.iwt.cn/CN/Y2006/V26/I6/33

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UV-TiO₂-Fenton光催化降解敌百虫农药废水的研究

Study on the photocatalytic degradation of trichlorfon pesticides wastewater by using UV-TiO₂-Fenton reagent

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UV-TiO2-Fenton光催化降解敌百虫农药废水的研究

Study on the photocatalytic degradation of trichlorfon pesticides wastewater by using UV-TiO2-Fenton reagent

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UV-TiO₂-Fenton光催化降解敌百虫农药废水的研究

Study on the photocatalytic degradation of trichlorfon pesticides wastewater by using UV-TiO₂-Fenton reagent