基于MIKE11模型入河水污染源处理措施的控制效能分析

发布时间：2018-04-24 16:00

本文选题：MIKE + 模型　；参考：《环境科学学报》2017年04期

【摘要】：为分析入河水污染源不同处理措施的控制效能,以中国多闸坝重污染河流的典型代表—涡河为例,针对"引江济淮"工程涡河段的水质改善需求,以涡河主要污染物COD、氨氮为指标,应用MIKE 11模型建立能客观反映模拟河段水动力、水质时空演变规律的模型;结合情景分析方法对涡河流域入河水污染源不同处理措施的控制效能进行量化评估.模拟结果表明:截污是改善"引江济淮"工程涡河段水质的关键,可降低约18.9%~36.8%的COD入河负荷,以及13.9%~26.3%的氨氮入河负荷;提高污水厂的处理量是改善"引江济淮"工程涡河段水质的有效措施,可削减15.0%的COD和10.8%的氨氮污染;综合处理措施优于单一措施,通过截污、提高污水厂的处理量和排放标准可以使86%以上的河段达到IV类水体要求.本研究结果可为"引江济淮"工程沿线的水污染防治提供技术支持,同时为河流综合治理工程决策提供借鉴和依据.
[Abstract]:In order to analyze the control efficiency of different treatment measures for the pollution sources of the river, taking the typical representative of the heavy polluted river of multi-sluice dams in China as an example, aiming at the demand of improving the water quality of the vortex river section of "diversion from the Yangtze River to Jihuai River" project, Based on the main pollutants of vortex river, COD and ammonia nitrogen, the MIKE 11 model is used to establish a model which can objectively reflect the temporal and spatial evolution law of simulated hydrodynamic and water quality. Combined with scenario analysis method, the control effectiveness of different treatment measures for pollution sources in vortex river basin was evaluated quantitatively. The simulation results show that the sewage interception is the key to improve the water quality in the vortex section of the Jiangji-Huai River diversion Project, which can reduce the load of COD entering the river by 18.9% and the load of ammonia nitrogen by 26.3%. Increasing the treatment capacity of the wastewater treatment plant is an effective measure to improve the water quality of the vortex river section of "diversion from Jiangji-Huai" project, which can reduce the pollution of COD by 15.0% and ammonia nitrogen by 10.8%. Improving the treatment capacity and discharge standard of the wastewater treatment plant can make more than 86% of the river reach the class IV water requirement. The results of this study can provide technical support for water pollution prevention and control along the route of "diversion from the Yangtze River to the Huaihe River" project, and also provide reference and basis for the decision-making of the river comprehensive control project.
【作者单位】：合肥工业大学资源与环境工程学院;安徽省环境科学研究院安徽省污水处理技术研究重点实验室;
【基金】：安徽省省级环保科研课题(No.2015-13) 国家水体污染控制与治理科技重大专项(No.2015ZX07204-007)~~
【分类号】：X522

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