宋亚朋^1,2,,
王建兵¹,
聂海峰^2,3,
常风民²,
董倩倩⁴,
刘祥²,
梁瑞松¹,
王凯军^2,
1.中国矿业大学北京化学与环境工程学院，北京 100083
2.清华大学环境学院，北京 100084
3.贵州工程应用技术学院，贵州 551700
4.联合环境水务高阳有限公司，高阳 071500
基金项目: 国家水体污染控制与治理科技重大专项2014ZX07211001国家水体污染控制与治理科技重大专项(2014ZX07211001)

Pilot study on treating printing and dyeing biochemical tail water with tubular O3/UV-BAF

SONG Yapeng^1,2,,
WANG Jianbing¹,
NIE Haifeng^2,3,
CHANG Fengmin²,
DONG Qianqian⁴,
LIU Xiang²,
LIANG Ruisong¹,
WANG Kaijun^2,
1.School of Chemical and Environmental Engineering, China University of Mining and TechnologyBeijing, Beijing 100083, China
2.School of Environment, Tsinghua University, Beijing 100084, China
3.Guizhou University of Engineering Science, Guizhou 551700, China
4.United Environmental Water Gaoyang Co.Ltd., Gaoyang 071500, China

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摘要:以印染污水生化处理出水为研究对象，组建了集管式臭氧/紫外(O3/UV)反应系统、臭氧发生系统、气液分离系统、臭氧破坏系统和生物曝气滤池(BAF)系统为一体的中试集成设备。分别研究了各单元及O3/UV-BAF一体化设备的运行效果。结果表明，COD范围为62.3~102.1 mg·L-1，平均值为83.2 mg·L-1时的进水经过O3/UV处理后，BOD5浓度可增加3倍以上，该处理单元可提高污水的生化性能；而单独BAF处理，COD去除率仅为22.5％，表明该污水生化性能较差(BOD5/COD=0.117)且出水COD浓度也不能达到排放标准；O3/UV-BAF联合工艺对印染废水则呈现良好的处理，出水COD去除率达到46.93%，UV254去除率为39.73%。此外，该联合工艺对色度、TN和TP也具有较好的去除效果，去除率分别为54%、34.52%和53.81%，均可达到排放标准。通过对O3/UV-BAF一体化中试设备的评估，为管式O3/UV高级氧化大规模工程应用提供技术支撑。
关键词: 印染废水无害化处理/
污水深度处理/
O3/UV-BAF/
臭氧高级氧化技术/
生化二级出水

Abstract:In this study, the biochemical secondary effluent of treating printing and dyeing wastewater was used to test the an O3/UV-BAF integrated pilot equipment including the tubular O3/UV reaction system, the ozone generation system, the gas-liquid separation system, the ozone destruction system and the biological aeration filter (BAF) system. The performances of this equipment and its units were studied. The results showed that the influent with COD of 62.3~102.1 mg·L-1 (average COD of 83.2 mg·L-1) was treated by O3/UV, its BOD5 concentration could increase by more than 3 times, which indicated that O3/UV treatment could increase the biodegradability of this influent. However, single BAF treatment only reduced 22.5% COD of influent with a poor biodegradability (BOD5/COD=0.117), and the effluent didn’t meet the discharge standard. The integrated process of O3/UV-BAF showed a good performance on printing and dyeing wastewater treatment, the removal efficiencies of COD and UV254 could reach 46.93% and 39.73%, respectively. In addition, this integrated process also presented good removal for chroma, TN and TP, and their efficiencies were 54%, 34.52% and 53.81%, respectively. The evaluation of an O3/UV-BAF integrated pilot equipment in this study could support the large-scale engineering application of the tubular O3/UV advanced oxidation.
Key words:harmless treatment of printing and dyeing wastewater/
advanced wastewater treatment/
O3/UV-BAF/
advanced ozone oxidation technology/
biochemical secondary effluent.

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管式O3/UV-BAF处理印染生化尾水的中试实验

宋亚朋^1,2,,
王建兵¹,
聂海峰^2,3,
常风民²,
董倩倩⁴,
刘祥²,
梁瑞松¹,
王凯军^2,
1.中国矿业大学北京化学与环境工程学院，北京 100083
2.清华大学环境学院，北京 100084
3.贵州工程应用技术学院，贵州 551700
4.联合环境水务高阳有限公司，高阳 071500
基金项目: 国家水体污染控制与治理科技重大专项2014ZX07211001国家水体污染控制与治理科技重大专项(2014ZX07211001)
关键词: 印染废水无害化处理/
污水深度处理/
O3/UV-BAF/
臭氧高级氧化技术/
生化二级出水
摘要:以印染污水生化处理出水为研究对象，组建了集管式臭氧/紫外(O3/UV)反应系统、臭氧发生系统、气液分离系统、臭氧破坏系统和生物曝气滤池(BAF)系统为一体的中试集成设备。分别研究了各单元及O3/UV-BAF一体化设备的运行效果。结果表明，COD范围为62.3~102.1 mg·L-1，平均值为83.2 mg·L-1时的进水经过O3/UV处理后，BOD5浓度可增加3倍以上，该处理单元可提高污水的生化性能；而单独BAF处理，COD去除率仅为22.5％，表明该污水生化性能较差(BOD5/COD=0.117)且出水COD浓度也不能达到排放标准；O3/UV-BAF联合工艺对印染废水则呈现良好的处理，出水COD去除率达到46.93%，UV254去除率为39.73%。此外，该联合工艺对色度、TN和TP也具有较好的去除效果，去除率分别为54%、34.52%和53.81%，均可达到排放标准。通过对O3/UV-BAF一体化中试设备的评估，为管式O3/UV高级氧化大规模工程应用提供技术支撑。

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