Study on the advanced treatment of petrochemical secondary effluent by O3/UV/H2O2 technology

doi:10.11894/1005-829x.2015.35(10).031

INDUSTRIAL WATER TREATMENT ›› 2015, Vol. 35 ›› Issue (10): 31-34. doi: 10.11894/1005-829x.2015.35(10).031

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Study on the advanced treatment of petrochemical secondary effluent by O₃/UV/H₂O₂ technology

Wu Fuping, Zhang Chao, Wang Qian, Zhang Guozhen, Liu Meng, Liu Guang, Tang Xin

Engineering Research Center of Water Resource Integrated Utilization in Cold and Arid Region, Ministry of Education, School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China

Received:2015-08-06 Online:2015-10-20 Published:2015-10-22

O₃/UV/H₂O₂对石化二级出水的深度处理研究

武福平, 张超, 王倩, 张国珍, 刘萌, 刘光, 唐鑫

兰州交通大学环境与市政工程学院, 寒旱地区水资源综合利用教育部工程研究中心, 甘肃兰州 730070

通讯作者: 张超,电话:15693131113,E-mail:b6254535@126.com E-mail:b6254535@126.com
作者简介:武福平(1962—),教授,研究生导师.电话:18178537163,E-mail:wfp1962@126.com
基金资助:
国家自然科学基金资助项目(51468033);长江学者和创新团队发展计划资助项目(IRT0966);甘肃省建设厅科技攻关项目(JK2010-26)

Abstract

Abstract:

The secondary effluent in a petrochemical enterprise,which is characterized by complex components and poor biodegradability,has been pretreated by O₃/UV/H₂O₂ coupling technology. The effects of different factors on COD removing rate and wastewater biodegradability are analyzed. The results show that the COD removing rate can reach 29.34%,and BOD₅/COD is increased from 0.05 to 0.34,when O₃ dosage is 62.63 mg/L,UV power 25 W,irradiating time 15 min,n(H₂O₂)/n(O₃) 0.5,and raw water pH 9. This technology has great improvement effects on the water quality of secondary effluent,and the biodegradability of wastewater.

Key words: petrochemical secondary effluent, advanced oxidation, O₃/UV/H₂O₂ technology, refractory organics, biodegradability

摘要：

采用O₃/UV/H₂O₂耦合工艺对成分复杂、可生化性差的兰州某石化企业二级出水进行预处理,分析了不同因素对COD去除率及废水可生化性的影响.结果表明,当O₃投加量为62.63 mg/L,UV功率为25 W,照射时间为15 min,n(H₂O₂)/n(O₃)为0.5,原水pH为9时,COD去除率可达29.34%,BOD₅/COD可由0.05增加到0.34.此工艺对石化二级出水水质具有明显的改善作用,同时大幅提升了废水的可生化性.

关键词: 石化二级废水, 高级氧化, O₃/UV/H₂O₂工艺, 难降解有机物, 可生化性

CLC Number:

X703.1

Wu Fuping, Zhang Chao, Wang Qian, Zhang Guozhen, Liu Meng, Liu Guang, Tang Xin. Study on the advanced treatment of petrochemical secondary effluent by O₃/UV/H₂O₂ technology[J]. INDUSTRIAL WATER TREATMENT, 2015, 35(10): 31-34.

武福平, 张超, 王倩, 张国珍, 刘萌, 刘光, 唐鑫. O₃/UV/H₂O₂对石化二级出水的深度处理研究[J]. 工业水处理, 2015, 35(10): 31-34.

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https://www.iwt.cn/EN/Y2015/V35/I10/31

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Study on the advanced treatment of petrochemical secondary effluent by O₃/UV/H₂O₂ technology

O₃/UV/H₂O₂对石化二级出水的深度处理研究

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