A Path Analysis for Chemical Oxygen Demand and Ammonia Nitrogen Discharge from Industrial Sewage in China,Water Resources

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A Path Analysis for Chemical Oxygen Demand and Ammonia Nitrogen Discharge from Industrial Sewage in China
Water Resources ( IF 1 ) Pub Date : 2021-01-02 , DOI: 10.1134/s0097807820060172
Xin-Cong Liu , Meng-Di Zhang , Wei-Yu Zhou , Jing Zhang , Shi-Huai Deng

Abstract

The industrial sewage pollution has become a public attention issues with the development of economy. The path analysis is employed to investigate the countermeasures of reducing Chemical Oxygen Demand (COD) and ammonia nitrogen (NH₃–N) discharge. The result shows that urbanization rate (UR), industrial gross domestic product (IGDP), and environmental investment (EI) co-determine the COD discharge, while UR, IGDP, EI and per capita gross domestic product co-determine the NH₃−N discharge. UR is the main factor for restraining COD and NH₃-N discharge, with the total effect of 42.59 and 33.37% respectively. IGDP has a positive direct effect on pollutants discharge.

更新日期：2021-01-02

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