引用本文:宋易南,侯德义,赵勇胜,等.京津冀化工场地地下水污染修复治理对策研究[J].环境科学研究,2020,33(6):1345-1356.
SONG Yinan,HOU Deyi,ZHAO Yongsheng,et al.Remediation Strategies for Contaminated Groundwater at Chemical Industrial Sites in the Beijing-Tianjin-Hebei Region[J].Research of Environmental Sciences,2020,33(6):1345-1356.]
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京津冀化工场地地下水污染修复治理对策研究
宋易南1, 侯德义1, 赵勇胜2, 朱瑾1, 张琪1, 秦传玉2, 王文峰3
1. 清华大学环境学院, 北京 100084;2. 吉林大学新能源与环境学院, 吉林 长春 130012;3. 北京建工环境修复股份有限公司, 北京 100015
摘要:
京津冀化工场地地下水污染问题突出,严重威胁当地饮水安全和可持续发展,亟待开展修复治理.针对京津冀化工场地地下水污染现状,分析了化工场地地下水污染修复面临的挑战,提出了分区分级的修复治理对策.结果表明:①针对可能存在NAPL(非水相液体污染物)的高风险污染源区,采取高强度修复措施,以实现污染物总量的快速削减;②针对中度污染区,采取单位能耗强度更低的长效修复措施,降低修复成本和二次污染风险;③针对低风险的轻度污染区,采取风险管控措施.结合对典型化工场地地下水污染修复技术的分析,提出的分区分级修复治理对策具有以下特点:①多技术耦合,形成互补效应,可提高修复效率;②节约修复成本,降低二次环境影响;③体现基于风险的原则,避免过度修复.
关键词:  化工场地  地下水污染  地下水修复治理  京津冀
DOI:10.13198/j.issn.1001-6929.2020.05.23
分类号:X523
基金项目:国家水体污染控制与治理科技重大专项(No.2018ZX07109-003)
Remediation Strategies for Contaminated Groundwater at Chemical Industrial Sites in the Beijing-Tianjin-Hebei Region
SONG Yinan1, HOU Deyi1, ZHAO Yongsheng2, ZHU Jin1, ZHANG Qi1, QIN Chuanyu2, WANG Wenfeng3
1. School of Environment, Tsinghua University, Beijing 100084, China;2. College of New Energy and Environment, Jilin University, Changchun 130012, China;3. BCEG Environmental Remediation Co., Ltd., Beijing 100015, China
Abstract:
Groundwater contamination at chemical industrial sites in the Beijing-Tianjin-Hebei Region poses a great risk to local drinking water safety and sustainable development. In order to accelerate the groundwater remediation progress, the status and challenges of groundwater contamination at chemical industrial sites in the Beijing-Tianjin-Hebei Region were analyzed, and remediation strategies were proposed: (1) Intensive remediation technologies with high mass removal efficiencies could be applied to heavily polluted area where NAPL exist; (2) Technologies with lower energy demand and long-effectiveness could be applied to the aquifers; (3) Risk control technologies could be applied to slightly polluted area under condition that the land use was not affected. By analyzing the typical groundwater remediation technologies, the advantages of the proposed strategy were summarized as followings: (1) Improved remedial efficiency with treatment trains applied; (2) Lower remediation cost and secondary environmental impact; (3) Lower risk of over-engineering due to risk-based principles.
Key words:  chemical industrial sites  groundwater contamination  contaminated groundwater remediation  Beijing-Tianjin-Hebei Region