滨海大型钢铁工业建设对海洋水环境影响过程及协同防控分析  

Impact of large-scale coastal steel industry construction on marine water environment:collaborative prevention and control

作　　者：李红红 杨海真[1] 李仙波[3,4] 陈敏华[3,4] 李桥 LI Honghong;YANG Haizhen;LI Xianbo;CHEN Minhua;LI Qiao(College of Environmental Science and Engineering,Tongji University,200092,Shanghai,China;Baoshan Iron&Steel Co,Ltd,200941,Shanghai,China;College of Water Sciences,Beijing Normal University,100875,Beijing,China;Engineering Research Center of Groundwater Pollution Control and Remediation of Ministry of Education,100875,Beijing,China)

机构地区：[1]同济大学环境科学与工程学院,上海200092 [2]宝山钢铁股份有限公司,上海200941 [3]北京师范大学水科学研究院,北京100875 [4]地下水污染控制与修复教育部工程研究中心,北京100875

出　　处：《北京师范大学学报（自然科学版）》2020年第2期169-176,共8页Journal of Beijing Normal University(Natural Science)

基　　金：国家自然科学基金资助项目(41831283);国家水体污染控制与治理科技重大专项资助项目(2018ZX07109-003);111引智计划项目(B18006)。

摘　　要：以评估钢铁基地生产过程对海洋水环境影响为研究目标,对污染源及污染情景进行识别和刻画,在海域水动力条件分析的基础上,利用数值模拟计算方法,建立了潮流水动力模型和溶质迁移模型.以石油类、COD、无机氮、活性磷酸盐、锌等为特征污染物,模拟预测了在正常工况下对海洋水环境的影响,并通过工程建设前后排污口附近海域水环境调查结果分析水污染防治措施的效果.结果表明:各特征因子最大增量贡献值为无机氮质量浓度增量0.007 mg·L^-1,叠加现状背景值后无超标水域,无机氮质量浓度平均增加约0.17 mg·L^-1;废水经深度处理后深海排放可满足海洋水环境的保护要求.研究结果对钢铁行业沿海布局大背景下的海洋水环境保护具有重要应用价值.Impact of steel production process on marine water environment was evaluated,pollution source analysis and pollution scenarios were identified and described in the present work.Hydrodynamic model of tidal current and solute migration model were established by numerical simulation.Influence of characteristic pollutants(petroleum,COD,inorganic nitrogen,active phosphate and Zn)on marine water environment under normal working conditions was simulated and predicted.Effect of water pollution prevention and control measures were gauged by water environment near sewage outlet before and after project construction.Maximum concentration increment contribution of each characteristic factor was found to be 0.007 mg·L^-1 in inorganic nitrogen concentration.By superimposing current background value,water standard was found not exceeded,inorganic nitrogen content was found to increase by 0.17 mg·L^-1.Deep sea discharge of sewage after deep treatment was found to meet protection requirements of marine water environment.This work could be applied in marine water environmental protection for coastal layout of steel industry.

关 键 词：水环境 钢铁基地 数值模拟 深海排放 

分 类 号：X43[环境科学与工程—灾害防治]