基于環(huán)境基尼系數(shù)的控制單元水污染負荷分配優(yōu)化研究
[Abstract]:This paper introduces the concept of Gini coefficient into the process of water pollutant load distribution in Songhua River basin, and synthetically considers the social-economic-resources-environment factors of water cycle, from the social economic development and the level of scientific and technological progress. From the angle of water pollution treatment level and resource endowment difference, the ratio of gross output value of per capita GDP, heavy pollution industry, the per capita water pollutant production intensity, the removal rate of industrial water pollutant, the removal rate of domestic water pollutant are selected. There are 7 indexes of water resources per unit land area, the proportion of state-controlled inferior class V section, COD and NH_3-N load as control factors, and contribution coefficient as a parameter to characterize the external unfairness. A water pollution load optimal distribution model based on Gini coefficient is constructed and a water pollution load distribution scheme based on equity for 33 control units in Songhua River basin is developed. The research shows that the Gini coefficient of Songhua River basin based on seven indexes is more than 0.4 in 2012, which exceeds the reasonable warning line of Gini coefficient, which indicates that the COD and NH_3-N emissions between control units in the basin are not fair in the aspects of social economy and resources and environment. Among them, the main Songhua River and the second Songhua River are the two most prominent unfairness. In the optimal allocation of Lingo model in 2020, the annual reduction of unit 21 is the largest, which is 18200 t / a, and the annual reduction rate of unit 10 is the highest, up to 8%, among the corresponding NH_3-N reduction schemes, The annual reduction and reduction rate of unit 21 are the largest, reaching 800 t / a and 8 t / a respectively.
【作者單位】: 環(huán)境保護部環(huán)境規(guī)劃院國家環(huán)境保護環(huán)境規(guī)劃與政策模擬重點實驗室;南京大學(xué)環(huán)境學(xué)院污染控制與資源化研究國家重點實驗室;中國地質(zhì)大學(xué)(北京)水資源與環(huán)境學(xué)院;華北電力大學(xué)可再生能源學(xué)院;
【基金】:國家水體污染治理與控制科技重大專項“流域水污染防治規(guī)劃決策支持平臺研究”(批準號:2012ZX07601002)
【分類號】:X52
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