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Full Description
The rapid revolution in modern industry has led to a significant increase in waste at the end of the product lifecycle. It is essential to close the loop, secure resources, and join up the circular economy. This book provides a detailed review of extraction techniques for urban mining of precious metals including gold, silver, and the platinum group. The merits and demerits of various extraction methods are highlighted, with possible suggestions for improvements. The feasibility of hybrid extraction techniques, as well as the sustainability and environmental impact of every process, is explored.
Offers a comprehensive review of different techniques used in recycling technology for urban mining of precious metals
Describes the concept of urban mining and its correlation with circular economy
Discusses feasibility of precious metal extraction and urban mines scope and their potential
Explains the subject in-context of sustainability while describing chemistry fundamentals and industrial practices
Provides technical flow sheets for urban mining of precious metals with diversity of lixiviant
This book is aimed at graduate students and researchers in extractive metallurgy, hydrometallurgy, chemical engineering, chemistry, and environmental engineering.
Contents
1. Sustainable Urban Mining of Precious Metals: An Introduction. 2. Pre-treatment, Concentration, and Enrichment of Precious Metals from Urban Mine Resources. 3. Urban Mining of Precious Metals with Halide as Lixiviant. 4. Urban Mining of Precious Metals with Cyanide as a Lixiviant. 5. Urban Mining of Precious Metals with Thiosulphate as a Lixiviant. 6. Recovery of Precious Metals by Precipitation, Adsorption, Electrowinning, Supercritical Fluids, and Bio-mediated Approaches. 7. Recovery of Precious Metals by Solvent Extraction. 8. Recovery of Precious Metals using Ion-exchange Chromatographic Approaches. 9. Integrated Recovery Processes for Precious Metals from Urban Mine Sources and Case Studies.
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