Synergetic reduction of pollution and carbon is a key strategy for the fundamental improvement of ecological and environmental quality and carbon neutrality. Solid waste resource utilization can reduce the secondary pollution caused by conventional solid waste disposal and presents evident environmental potential. Based on the comparable system boundaries, this study adopts life cycle assessment (LCA) to compare the environmental impact of three fly ash utilization paths. The synergy index is then defined according to six environmental impact indicators to quantitatively evaluate the synergetic effects of carbon emission and pollutant reduction. The results confirm the possibility of fly ash resource utilization for synergetic pollution and carbon reduction and demonstrate the synergetic emission reduction potential of the solid waste resource utilization supply chain. This study is both an application of the life cycle assessment model in the solid waste utilization and disposal field and provides insight into the pathway of pollution and carbon reduction in China.
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| http://dx.doi.org/10.1016/j.scitotenv.2023.166197 | DOI Listing |
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