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河流突发水污染事件峰值模拟及预警研究

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为了最大程度地降低突发水污染事件带来的损失,采用MIKE 11水动力—水质耦合模型,对太子河流域本溪段突发水污染事件进行模拟.模型验证的结果表明,构建的水动力—水质耦合模型满足精度要求.模拟4种情景的含挥发酚废水超标排放,结果表明:在相同条件下,污染物峰值浓度与排放强度、瞬时排放量呈正相关;排放地点距离监测断面越近,污染物峰值浓度越高;排放强度不会影响污染物到达监测断面及峰值浓度的时间.不同挥发酚超标排放的模拟结果可以为相关河流突发水污染事件提供预测预警,还可以为应急处置提供参考.
In order to minimize the losses caused by sudden water pollution incidents,this study uses the MIKE 11 hydrodynamic-water quality coupling model to simulate the sudden water pollution incidents in Benxi section of Taizi River Basin.The results of model verification show that the constructed hydrodynamic-water quality coupling model meets the accuracy requirements.The results of simulating the excessive emission of volatile phenol-containing wastewater in four scenarios show that under the same conditions,the peak concentration of pollutants is positively correlated with emission intensity and instantaneous emission.The closer the discharge site is to the monitoring section,the higher the peak concentration of pollutants;and the emission intensity will not affect the time when the pollutants reach the monitoring section and the peak concentration.The simulation results of excessive emission of different volatile phenols can provide prediction and early warning for sudden water pollution incidents in related rivers,and can also provide reference materials for emergency response.

MIKE11volatile phenolsudden water pollution incidentTaizi River Basin

李艳、秦泽、杨光、刘彩影

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沈阳理工大学环境与化学工程学院,辽宁沈阳 110159

MIKE11 挥发酚 突发水污染事件 太子河流域

辽宁省博士科研启动基金沈阳理工大学博士启动资助项目

2022-BS-1861010147001145

2024

环境保护与循环经济
辽宁环境科学研究院 辽宁省环境科学学会

环境保护与循环经济

影响因子:0.424
ISSN:1674-1021
年,卷(期):2024.44(2)
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