Substance Flow Analysis of Lead for Sustainable Resource Management and Pollution Control

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As the biggest producer and the second largest consumer of lead in the world, China is facing serious conflict between rapid economic development and environmental deterioration caused by lead pollution. Our analysis results show that lead poisoning accidents increased sharply since 2005, and there is growing concern that children remain at risk from lead exposure. Accordingly, sustainable resource management and pollution control of lead is of great significance. As the first step, substance flow analysis (abbreviated as SFA) models of lead flows in both economic subsystem and environmental subsystem are established by using top-down approach in this study. Then the situation of production, consumption and emission of lead resources can be revealed. This study provides the most detailed depiction of lead flows within a regional level, and it is essentially important for the future analysis and management of lead resource. Furthermore, environmental simulation models, risk assessment models, Crystalball software and GIS tool are proposed to be integrated on the same platform to recognize the pollution situation, corresponding population risk and major exposure pathways in the study region. This new perspective extends the traditional method of substance flow analysis of lead, not only important for the improvement of lead resource efficiency, but also supporting the pollution prevention policy making.

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30-36

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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