引用本文: |
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向正林,曾俏俏,苏跃涵,李恒翔,卢耀斌,骆海萍,刘广立.海水抽水蓄能电站运行中的有机污染物排放对周边海域的环境影响[J].海洋开发与管理,2022,39(4):97-101
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摘要: |
为保障海水抽水蓄能电站运行的环境友好和生态安全,文章以大万山岛为例,在海水水质监测分析的基础上,模拟拟建海水抽水蓄能电站运行中的化学需氧量(COD)排放对周边海域的环境影响。研究结果表明:大万山岛周边海域水质较好,COD浓度在0.2 mg/L以下;当海水抽水蓄能电站的COD排放浓度不超过50 mg/L时,周边海域的COD最高浓度为2.29 mg/L,满足海水水质要求,但当COD排放浓度超过100 mg/L时即存在超标风险;受水温和潮流的影响,海水抽水蓄能电站周边海域COD的浓度、扩散方向、聚集位置和影响面积随季节变化而变化;海水抽水蓄能电站排水口周边海域的COD最高浓度随排水量增大而提高,COD最高浓度海域与排水口的距离约为1.6 km。研究结果可为控制海水抽水蓄能电站的COD排放对周边海域的环境影响提供科学参考。 |
关键词: 海水抽水蓄能电站 有机污染物 海洋环境 化学需氧量 海水水质 |
DOI:10.20016/j.cnki.hykfygl.20220411.001 |
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基金项目:国家重点研发计划项目(2017YFB0903700、2017YFB0903703). |
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The Environmental Impact of Organic Pollutant Discharge from the Seawater Pumped Storage Power Station on Surrounding Sea Areas |
XIANG Zhenglin,ZENG Qiaoqiao,SU Yuehan,LI Hengxiang,LU Yaobin,LUO Haiping,LIU Guangli |
CSG Power Generation Company;Guangdong Water Conservancy & Electric Power Survey & Design Institute Co. Ltd.;School of Environmental Science and Engineering,Sun Yat-sen University;South China Sea Institute of Oceanology,Chinese Academy of Sciences |
Abstract: |
To ensure the environmentfriendly and ecological safety of seawater pumped storage power station (SPSPS) operation, the effect of chemical oxygen demand (COD) discharged by a proposed SPSPS on the surrounding marine environment was simulated and investigated in this paper, which was based on the monitoring and analysis of seawater quality in the Dawanshan island as an example. The results showed that the seawater quality surrounding the Dawanshan island was good with the COD value less than 0.2 mg/L. When the COD concentration was less than 50 mg/L in the effluent of SPSPS, the maximum COD concentration reached 2.29 mg/L in the surrounding seawater, which could still satisfy the requirement of the seawater quality. However, when the COD concentration was higher than 100 mg/L in the effluent of SPSPS, the risk of exceeding the seawater standard was high in the surrounding seawater. The discharge of COD was affected by the seawater temperature and tide, and fluctuated in terms of concentration, diffusion direction and gather location in the surrounding seawater according to the season change. The maximum COD concentration would increase with the water discharge increasing from the SPSPS into the surrounding seawater. The distance between the location of the maximum COD concentration in the surrounding seawater and the outfall of SPSPS was about 1.6 km. The results would provide a scientific basis for controlling the COD pollution from the discharge of SPSPS. |
Key words: Seawater pumped storage power station,Organic pollutant,Marine environment,Chemical oxygen demand,Seawater quality |