Integrated LCA-MFA Framework for Gold Production from Primary and Secondary Sources
作者： Shahjadi Hisan Farjana , Wen Li
DOI: 10.1016/J.PROCIR.2021.01.143
关键词: Waste management 、 Precious metal 、 Environmental science 、 Production (economics) 、 Environmental impact assessment 、 Decision support system 、 Impact assessment 、 Material flow analysis 、 Life-cycle assessment 、 Sustainable development
摘要: Abstract Secondary production of non-ferrous metals produced from waste can reduce the environmental burdens associated with primary and contribute to achieving sustainable development goals. At present condition, secondary metal manufacturers lack decision support system through an appropriate impact assessment framework. Thus, this paper presents integrated framework for production, using material flow analysis life cycle assessment. The analysed in study is gold as a case precious recovery anode slime. sensitivity showed that combined sources generates significantly less (e.g. climate change, freshwater ecotoxicity, mineral resources depletion) comparison only metals. Further exploration increasing separation efficiency suggested marginal decrease overall impact.
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