Quantitative calculation model of dilution ratio based on reaching standard of water function zone

2nd International Conference on Advances in Energy Resources and Environment Engineering

能源学;生态环境科学

Du, Zhong^1,2 ; Dong, Zengchuan^1 ; Wu, Huixiu^2 ; Yang, Lin^2

College of Hydrology and Water Resources, Hohai University, Nanjing

210098, China^1

Hydrology and Water Resources Survey Bureau of Liaoning Province, Shenyang

110003, China^2

关键词: Characteristics parameters;    Control standards;    Inverse correlation;    National standard;    Positive correlations;    Quantitative calculation;    Wastewater discharge;    Water quality assessments;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/59/1/012063/pdf
DOI  :  10.1088/1755-1315/59/1/012063

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Dilution ratio is an important indicator of water quality assessment, and it's difficult to calculate quantitatively. This paper proposed quantitative calculation model of dilution ratio based on the permissible pollution bearing capacity model of water function zone. The model contains three parameters of concentration. Particularly, the 1-D model has three river characteristics parameters in addition. Applications of the model are based on the national standard of wastewater discharge concentration and reaching standard concentration. The results show the inverse correlation between the dilution ratio and the CPand C0, and the positive correlation with Cs. The quantitative maximum control standard of dilution ratio is 12.50% by 0-D model and 22.96% by 1-D model. Moreover, we propose to choose the minimum parameter and find the invalid pollution bearing capacity.