王小东1,
朱引1,
沈斐1,2,
李激1,3,4,
王硕1,3,4
1.江南大学环境与土木工程学院，无锡 214122
2.无锡市环境监测中心站，无锡 214122
3.江苏省厌氧生物技术重点实验室，无锡 214122
4.江苏高校水处理技术与材料协同创新中心，苏州 215009
基金项目: 国家水体污染控制与治理科技重大专项（2015ZX07306001-05, 2017ZX07202001-01）
Removal of organic contaminants,nitrogen,phosphorus by combined adsorption-multistage A/O-activated coke process
WANG Dong1,,WANG Xiaodong1,
ZHU Yin1,
SHEN Fei1,2,
LI Ji1,3,4,
WANG Shuo1,3,4
1.School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122，China
2.Wuxi Environmental Monitoring Center Station, Wuxi 214122, China
3.Jiangsu Key Laboratory of Anaerobic Biotechnology, Wuxi 214122, China
4.Jiangsu College of Water Treatment Technology and Material Collaborative Innovation Center, Suzhou 215009, China
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摘要:利用生物吸附(biological absorption，AB）-多级缺氧/好氧（anaerobic/oxic，A/O）-活性焦滤池组合工艺对城市污水进行处理研究。结果表明：该组合工艺出水COD、TN、TP平均浓度为20、8.5、0.25 mg·L-1，对COD、TN、TP平均去除率为95%、76.5%、80%，3个工艺段对有机污染物的平均去除率分别为55%、26%、14%。其中生物吸附段主要去除粒径较大的颗粒态有机物，多级A/O段可以去除进水中53%左右溶解性有机物；活性焦滤池利用活性焦丰富的中孔结构有效吸附多级A/O出水中难生物降解的芳香类及环烷类有机物。该组合工艺能实现高标准出水、高效脱氮除磷、能源节约、资源回收，是具有良好应用前景的污水处理工艺。
关键词: 组合工艺/
污水处理/
氮去除/
磷去除/
有机物去除/
组分分析
Abstract:Biological absorption-multistage A/O-activated coke combining process was established for the treatment of municipal wastewater. The experimental results showed that the average effluent concentrations of COD, TN and TP were 20, 8.5 and 0.25 mg·L-1, the respective removal rates of COD,TN and TP were 95%, 76.5% and 80%. In addition, the removal rates of organic matters in each process were 55%, 26% and 14%, respectively. The biological adsorption mainly reduced the large size organic particles, and more than 53% of dissolved organic matters were removed by multi stage A/O process. Activated coke filter could effectively adsorb the aromatic and naphthenic organic compounds due to the richness of mesoporous structure from activated coke granules. The combined process comprises the advantages of high contaminants removal efficiencies, energy saving and resource recovery, which would be a promising sewage treatment process in the future.
Key words:combined process/
sewage treatment/
nitrogen removal/
phosphorus removal/
organic matter removal/
component analysis.
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生物吸附-多级A/O-活性焦组合工艺对污水中氮磷及有机污染物的去除
王东1,,王小东1,
朱引1,
沈斐1,2,
李激1,3,4,
王硕1,3,4
1.江南大学环境与土木工程学院，无锡 214122
2.无锡市环境监测中心站，无锡 214122
3.江苏省厌氧生物技术重点实验室，无锡 214122
4.江苏高校水处理技术与材料协同创新中心，苏州 215009
基金项目: 国家水体污染控制与治理科技重大专项（2015ZX07306001-05, 2017ZX07202001-01）
关键词: 组合工艺/
污水处理/
氮去除/
磷去除/
有机物去除/
组分分析
摘要:利用生物吸附(biological absorption，AB）-多级缺氧/好氧（anaerobic/oxic，A/O）-活性焦滤池组合工艺对城市污水进行处理研究。结果表明：该组合工艺出水COD、TN、TP平均浓度为20、8.5、0.25 mg·L-1，对COD、TN、TP平均去除率为95%、76.5%、80%，3个工艺段对有机污染物的平均去除率分别为55%、26%、14%。其中生物吸附段主要去除粒径较大的颗粒态有机物，多级A/O段可以去除进水中53%左右溶解性有机物；活性焦滤池利用活性焦丰富的中孔结构有效吸附多级A/O出水中难生物降解的芳香类及环烷类有机物。该组合工艺能实现高标准出水、高效脱氮除磷、能源节约、资源回收，是具有良好应用前景的污水处理工艺。
English Abstract
Removal of organic contaminants,nitrogen,phosphorus by combined adsorption-multistage A/O-activated coke process
WANG Dong1,,WANG Xiaodong1,
ZHU Yin1,
SHEN Fei1,2,
LI Ji1,3,4,
WANG Shuo1,3,4
1.School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122，China
2.Wuxi Environmental Monitoring Center Station, Wuxi 214122, China
3.Jiangsu Key Laboratory of Anaerobic Biotechnology, Wuxi 214122, China
4.Jiangsu College of Water Treatment Technology and Material Collaborative Innovation Center, Suzhou 215009, China
Keywords: combined process/
sewage treatment/
nitrogen removal/
phosphorus removal/
organic matter removal/
component analysis
Abstract:Biological absorption-multistage A/O-activated coke combining process was established for the treatment of municipal wastewater. The experimental results showed that the average effluent concentrations of COD, TN and TP were 20, 8.5 and 0.25 mg·L-1, the respective removal rates of COD,TN and TP were 95%, 76.5% and 80%. In addition, the removal rates of organic matters in each process were 55%, 26% and 14%, respectively. The biological adsorption mainly reduced the large size organic particles, and more than 53% of dissolved organic matters were removed by multi stage A/O process. Activated coke filter could effectively adsorb the aromatic and naphthenic organic compounds due to the richness of mesoporous structure from activated coke granules. The combined process comprises the advantages of high contaminants removal efficiencies, energy saving and resource recovery, which would be a promising sewage treatment process in the future.
