Extractive Metallurgy and Circular Economy: From Metallurgical Waste to New Products
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Environmental Sciences".
Deadline for manuscript submissions: closed (28 February 2021) | Viewed by 12119
Special Issue Editors
Interests: characterization; treatment; the exploitation of metallurgy; iron; steel by-products (i.e., slag, dust, sludge, etc.)
Special Issues, Collections and Topics in MDPI journals
Interests: ironmaking and steelmaking; applied metallurgy; plastic deformation of metals
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The metallurgical industry is one of the most impacting human activities in terms of solid, liquid, and gaseous emissions. Metals production involves the extraction of metals ores processed by hydro-, pyro-, or hybrid metallurgical processes, and it is always associated with the generation of an important amount of wastes. Unfortunately, for certain metals, i.e., rare earths, and noble metals, a shortage of raw materials began a few decades ago due to an increase in their utilization for specific applications (solar panels, microelectronics, etc.). Generally, the solid and liquid residues from a specific metallurgy contain significant fractions of valuable elements suitable as raw materials for other metallurgies, such as EAF dusts for Zn production. Thus, this Special Issue of Applied Sciences focuses on the possibility to extract (or recover) metals, oxides, or other compounds from metallurgical wastes (slag, dusts, sludges, skims, and dross) produced by the most widespread metallurgies (iron-making, aluminum, copper, zinc, lead), noble metals (gold, silver, platinum, etc.), refractory metals (tungsten, molybdenum, cobalt, etc.), and rare earths. The purpose of this Issue is to collect novel and promising processes to recover valuable elements and compounds from waste products. Pyro-, hydro-, or hybrid metallurgical processes will be well accepted. Preference will be given to papers explaining a feasible process at laboratory scale; a pilot plant; or an existing process, with special regard to the economic aspects of compound extractions and the environmental impact of process residues.
Dr. Davide Mombelli
Prof. Carlo Mapelli
Guest Editors
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Keywords
- circular economy
- extractive metallurgy
- metallurgical residues recovery
- secondary raw materials
- waste management
- slag
- dusts
- sludges
- skims
- dross
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