Recent Advances and Opportunities in the Bioleaching and Chemical Leaching for Metal Recovery from Industrial Waste Streams
A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Mineral Processing and Extractive Metallurgy".
Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 10071
Special Issue Editors
Interests: bio-hydrometallurgy; waste to value; biosorption; enzymatic depolymerization; bioprocessing of waste incineration residues; metal recovery
Special Issue Information
Dear Colleagues,
Declining ore grades and limited availabilities of economically important metals and critical raw materials in combination with increasing consumption of metal and mineral resources have already caused shortages of these materials. Secondary resources are, therefore, very important as potential sinks for valuable raw materials, which can be recovered and re-introduced into production cycles. Industrial mining, manufacturing, processing, and construction in areas such as metallurgy, energy production, electronics, waste incineration, and landfilling generate waste solid and liquid streams including disposable sludges, ash, and slags, which may contain recoverable metals. Some metal-containing waste from industrial processes may, however, have little or no treatment option or beneficial application without considerable economic input, but the benefits of waste detoxification and environmental health may help justify the recovery and sustainability. A potential threat to the environment is a consequence of limited storage options in the absence of economically justifiable solid waste treatment processes. For some waste streams such as spent lithium-ion batteries and printed circuit boards, the existing strategies of recycling and recovery cannot often fully tackle the complex material compositions, leading to incomplete recycling and losses of valuable resources. While biohydrometallurgy and novel chemical processes can be economical in the treatment of low-grade ores and tailings if compared to other hydrometallurgical and pyrometallurgical methods, their applications on industrial waste streams have not received sufficient attention. The Special Issue seeks to collect new and innovative ideas, methods, and techniques on the potential of applying biological and chemical processes for industrial waste streams for metal recovery. The Special Issue is organized into three sections:
- Section 1: Direct and indirect bioleaching and chemical leaching of industrial waste streams
- Section 2: Metal recovery from bioleaching lixiviants using mechanical, chemical, and biological methods
- Section 3: Economic evaluation of novel processes for metal recovery from industrial wastes
Dr. Klemens Kremser
Prof. Dr. Olli H. Tuovinen
Guest Editors
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Keywords
- industrial waste characterization
- bioleaching of metals from waste streams
- chemical leaching of REE
- chemical leaching of metals from waste streams
- metal recovery
- secondary metal resources
- microbe–waste interactions
- economics of waste bioleaching and chemical leaching
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