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The Comparison of Different Calculation Methods of Pollution Receiving Capacity for Jilin Province Huifa River


Affiliations
1 Renewable Energy Institute, North China Electric Power University, Beijing-102206, China
 

Huifa River is the largest tributary of the Second Songhua River. Songhua River Basin is the concentrated area of Northeast Old Industrial Base, and it is also the distribution area of major cities, bearing production task of national commodity grain. In recent years, with the rapid development of economy, the deterioration of water quality is serious and the water environment problem is becoming more and more outstanding, which have affected the sustainable development of the economic and social of Jilin province, so it is necessary to analyse and study the pollution receiving capacity of the river and control the water pollution source to protect the water environment and strengthen water resources protection. Based on one-dimensional water quality model, this paper use three kinds of different generalization methods, such as midpoint generalization, uniform generalization and sewage outfall barycenter generalization, to calculate pollution receiving capacity of the five sections of Huifa River, discussing the pollution receiving capacity of water function area based on different situations of sewage outfall generalization. The results show that: Annual pollution receiving capacity of COD and ammonia nitrogen of Huifa River are 34027.02 t/a and 2242.07 t/a respectively in the case of sewage outfall midpoint generalization; Annual pollution receiving capacity of COD and ammonia nitrogen of Huifa River are 33714.86t/a and 2222.49t/a respectively in the case of sewage outfall uniform generalization; Annual pollution receiving capacity of COD and ammonia nitrogen of Huifa River are 41701.09t/a and 2727.90t/a respectively in the case of sewage outfall barycenter generalization. The calculation results of pollution receiving capacity with midpoint generalization and uniform generalization are approximate, while the calculation result of sewage outfall barycenter generalization has some differences with the first two.

Keywords

Pollution Receiving Capacity, Water Quality Model, Sewage Outfall, Huifa River.
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  • The Comparison of Different Calculation Methods of Pollution Receiving Capacity for Jilin Province Huifa River

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Authors

Liwei Yao
Renewable Energy Institute, North China Electric Power University, Beijing-102206, China
Baohui Men
Renewable Energy Institute, North China Electric Power University, Beijing-102206, China

Abstract


Huifa River is the largest tributary of the Second Songhua River. Songhua River Basin is the concentrated area of Northeast Old Industrial Base, and it is also the distribution area of major cities, bearing production task of national commodity grain. In recent years, with the rapid development of economy, the deterioration of water quality is serious and the water environment problem is becoming more and more outstanding, which have affected the sustainable development of the economic and social of Jilin province, so it is necessary to analyse and study the pollution receiving capacity of the river and control the water pollution source to protect the water environment and strengthen water resources protection. Based on one-dimensional water quality model, this paper use three kinds of different generalization methods, such as midpoint generalization, uniform generalization and sewage outfall barycenter generalization, to calculate pollution receiving capacity of the five sections of Huifa River, discussing the pollution receiving capacity of water function area based on different situations of sewage outfall generalization. The results show that: Annual pollution receiving capacity of COD and ammonia nitrogen of Huifa River are 34027.02 t/a and 2242.07 t/a respectively in the case of sewage outfall midpoint generalization; Annual pollution receiving capacity of COD and ammonia nitrogen of Huifa River are 33714.86t/a and 2222.49t/a respectively in the case of sewage outfall uniform generalization; Annual pollution receiving capacity of COD and ammonia nitrogen of Huifa River are 41701.09t/a and 2727.90t/a respectively in the case of sewage outfall barycenter generalization. The calculation results of pollution receiving capacity with midpoint generalization and uniform generalization are approximate, while the calculation result of sewage outfall barycenter generalization has some differences with the first two.

Keywords


Pollution Receiving Capacity, Water Quality Model, Sewage Outfall, Huifa River.

References