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  • 刘晓静,刘晓晓,汪佳慧,王雪娇,季民.氧化深塘和潜流湿地组合技术在农村河道水质净化应用[J].环境工程学报,2019,13(7):1759-1765.DOI:10.12030/j.cjee.201807161    [点击复制]
  • LIU Xiaojing,LIU Xiaoxiao,WANG Jiahui,WANG Xuejiao,JI Min.Application of deep oxidation pond and subsurface wetland process to purifying rural river water[J].,2019,13(7):1759-1765.DOI:10.12030/j.cjee.201807161   [点击复制]
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氧化深塘和潜流湿地组合技术在农村河道水质净化应用
刘晓静1,2,刘晓晓1,2,汪佳慧1,2,王雪娇1,2,季民1,2,3
0
(1.秦皇岛天大环保研究院有限公司,秦皇岛 066000;2.天津大学环境科学与工程学院,天津 300072;3.秦皇岛河道水质净化实验室,秦皇岛 066000)
摘要:
将深塘曝气技术与人工湿地技术优化组合应用于河北省某农村河道水质提升工程。在河段下游截流蓄水,建设生态组合氧化深塘及潜流湿地系统对黑臭水体进行集中治理后重新排入河道。通过对系统进水及出水的主要污染物指标进行检测分析,研究系统在不同季节对河道水体水质净化效果,并对工程建设投资及运行费用进行分析。结果表明:春夏季节,系统出水水质明显提升,出水SS、氨氮和总磷浓度以及COD值均能够稳定达到《城镇污水处理厂污染物排放标准》(GB 18198-2002)一级A标准,秋冬季节系统能够正常稳定运行,对河水主要污染物具有较高的去除率;工程占地面积小,设备能耗低,运行费用仅为0.23元·t-1。该组合技术对于季节性变化明显的农村河道水质净化效果较好,经济优势明显,可为农村黑臭河道治理技术提供新思路。
关键词:  氧化深塘  潜流湿地  黑臭水体  生化组合单元
DOI:10.12030/j.cjee.201807161
投稿时间:2018-07-24
基金项目:河北省重点研发计划新能源与节能环保专项17273905D河北省重点研发计划新能源与节能环保专项(17273905D)
Application of deep oxidation pond and subsurface wetland process to purifying rural river water
LIU Xiaojing1,2,LIU Xiaoxiao1,2,WANG Jiahui1,2,WANG Xuejiao1,2,JI Min1,2,3
(1.Qinhuangdao Tianda Environmental Protection Research Institute Co. Ltd.,Qinhuangdao 066000, China;2.Institute of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China;3.Qinhuangdao River Water Quality Purification Laboratory, Qinhuangdao 066000, China)
Abstract:
The optimized combination of deep pond aeration and artificial wetland technologies was used for the water quality improvement project of a certain rural river in Hebei province. The river water was cut off and stored by damming in the downstream section of the river, then the ecological system of combined deep oxidation pond and subsurface wetland was built to treat the black and odorous water, afterward the treated water was re-discharged into the river. The main pollutants index of inlet and outlet of the system were tested and analyzed, and the purification effect of river water quality in different seasons was studied. At the same time, both the project construction investment and the cost of operation and maintenance were analyzed. The results showed that in spring and summer, the effluent water quality of the system was significantly improved, the effluent SS, ammonia nitrogen, total phosphorus concentrations and COD could stably meet the first-grade A standard of pollutant discharge standard of the urban sewage treatment plant (GB 18198-2002). In autumn and winter, the system could maintain a normal and stable operation, and relatively high removal rates of main pollutants in the river occurred. The project presented a small land demand and low energy consumption of equipment, the operation cost was only 0.23 yuan·t-1. The combined technology has a good performance on the water quality purification of rural river water with obvious seasonal changes, and obvious economic advantages, which could provide new ideas for the treatment of rural black and odorous river water.
Key words:  deep oxidation pond  subsurface wetland  black and odorous water  biochemical combination unit