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- W3115202285 endingPage "1062" @default.
- W3115202285 startingPage "1022" @default.
- W3115202285 abstract "Hydrometallurgical approaches have been successfully employed for metal separation and recovery from various types of waste materials. Therefore, hydrometallurgy is a promising technology for metal recovery and the removal of potentially toxic heavy metals found in industrial sludge. However, a comprehensive review that focuses on the heavy metal recovery from industrial sludge using hydrometallurgical approaches has not been conducted in the recent past. The present review discusses the capacity of hydrometallurgical techniques in recovering heavy metals sourced from different types of industrial sludges, highlighting recent scientific findings. Hydrometallurgical approaches primarily consist of three process stages: metal dissolution, concentration and purification, and metal recovery. The chemical characteristics of industrial sludge, including the type, concentration and speciation of heavy metals, directly impact selection of the best recovery method. Solvent extraction, ion-exchange, and adsorption are the major techniques employed in concentration and purification, whereas electrodeposition and precipitation are the main methods used in metals recovery. Future research should focus on the development of more efficient and environmentally-friendly methods for metal dissolution from industrial sludges contaminated with multiple metals, while increasing selectivity and energy use efficiency in the concentration and purification, and recovery steps." @default.
- W3115202285 created "2021-01-05" @default.
- W3115202285 creator A5011221226 @default.
- W3115202285 creator A5022622581 @default.
- W3115202285 creator A5026518569 @default.
- W3115202285 creator A5053693280 @default.
- W3115202285 creator A5054059516 @default.
- W3115202285 creator A5070747615 @default.
- W3115202285 creator A5083295778 @default.
- W3115202285 creator A5083497035 @default.
- W3115202285 creator A5088869437 @default.
- W3115202285 date "2020-12-21" @default.
- W3115202285 modified "2023-10-16" @default.
- W3115202285 title "Hydrometallurgical processes for heavy metals recovery from industrial sludges" @default.
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