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Dynamic wastewater-induced research based on input-output analysis for Guangdong Province, China

Zheng, Boyue, Huang, Guohe, Liu, Lirong, Guan, Yuru and Zhai, Mengyu (2019) Dynamic wastewater-induced research based on input-output analysis for Guangdong Province, China Environmental Pollution, 256, 113502.

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Large amounts of wastewater discharge have emerged as a burden in the process of industrialization and urbanization. In this study, a dynamic wastewater-induced input-output model is developed to systematically analyze the related situation. The developed model is applied to Guangdong Province, China to analyze its prominent characteristics from 2002 to 2015. Combining input-output analysis, ecological network analysis and structural decomposition analysis, the developed model reveals issues of direct and indirect discharges, relationships among various discharges, and driving forces of wastewater discharges. It is uncovered that Primary Manufacturing and Advanced Manufacturing dominate the system because of significant temporal and spatial variations in wastewater discharge. In addition, Manufacturing of paper, computer and machinery and Services are the key industries responsible for large amounts of wastewater discharge and unhealthy source-discharge relationships. The largest wastewater discharge occurred in 2005 and indirect wastewater discharge is the main form. Furthermore, final demand is found to be the biggest driving force of wastewater discharge. Finally, a three-phase policy implementation system implemented in stages proposes solutions to wastewater problems.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Centre for Environment and Sustainability
Authors :
Zheng, Boyue
Huang, Guohe
Guan, Yuru
Zhai, Mengyu
Date : 31 October 2019
Funders : National Key Research and Development Plan, Natural Sciences Foundation, 111 Program, Natural Science and Engineering Research Council of Canada
DOI : 10.1016/j.envpol.2019.113502
Grant Title : National Key Research and Development Plan
Copyright Disclaimer : © 2019 Elsevier Ltd. All rights reserved.
Uncontrolled Keywords : Dynamic wastewater discharge Input-output analysis Ecological network analysis Structural decomposition analysis Guangdong province
Additional Information : Embargo OK Metadata OK No Further Action
Depositing User : James Marshall
Date Deposited : 14 Jul 2020 10:17
Last Modified : 14 Jul 2020 10:17

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