Resumo

LIU, Rui. Research on control method of pollutant total amount of water quality based on fuzzy mathematics. Earth Sci. Res. J. [online]. 2020, vol.24, n.2, pp.191-199.  Epub 31-Ago-2020. ISSN 1794-6190.  https://doi.org/10.15446/esrj.v24n2.87248.

Given the scale-up of pollutants discharged into water bodies, control via reducing part of the discharge is turning out ineffective. This article proposes a method based on fuzzy mathematics for controlling water from the total pollutant amount. Firstly, a control framework and process of the total pollutant amount was built. The total amount of pollutants discharged into several water bodies in China was studied to achieve the predetermined environmental objective. Then, water pollution of different regions was evaluated via water quality model based on the fuzzy mathematics in the area or essential protection domain with severe pollution and a concentrated pollution source. This procedure makes a comprehensive evaluation of the water quality pollution more scientific. Finally, the control of the total pollutant amount was completed via the optimized combination of point source control and unit control of the total amount. Experimental results show that the method is scientific, objective, and reasonable while controlling the pollutant discharge. It controls the total pollutant amount excellently.

Palavras-chave : System structure; Fuzzy mathematics; Total quaintly control of point source; Total quaintly control of unit; Water quality planning.

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