Recovery of Metals from Mine Tailings and Mineral Wastes/Residues by Hydrometallurgy

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Extractive Metallurgy".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 1317

Special Issue Editors


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Guest Editor
CSIR-National Metallurgical Laboratory, Jamshedpur 831007, India
Interests: extractive metallurgy of base and rare earth elements
CSIR-National Metallurgical Laboratory, Jamshedpur 831007, India
Interests: hydro-biohydrometallurgy; waste recycling; rare-earth extraction; WEEE recycling; environmental
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Special Issue Information

Dear Colleagues,

With the aim of sustainable development and the replenishment of metals from scarce non-primary resources, a relatively common practice is the extraction of metals like Co, Ni, Pt, Pd, Cu, Ag, Au, Ga, Ge, etc. from mine tailings (Zn, Cu, Al, Sn, Cr, U, etc.), and from mineral wastes generated post-processing (e.g., flotation tailings, pre-processed wastes, overburden, coal wastes, process rejects, waste rocks, slag, refuse/slimes, spent oil shales, etc.). The extraction of these metals and their associated elemental components by conventional processes is challenging due to the high associated cost, and thus it would be wiser to employ different combinations of preprocessing techniques before hydrometallurgical intervention. This Special Issue encourages submissions addressing topics within and beyond the above domain.

Dr. Pratima Meshram
Dr. Abhilash
Guest Editors

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Keywords

  • mine tailings
  • mine rejects
  • slimes
  • overburden
  • shales
  • metals
  • extraction

Published Papers (1 paper)

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Research

11 pages, 2102 KiB  
Article
Processing of Alluvial Deposit Sands with a High Content of Copper and Nickel Using Combined Enrichment Technology
by Elena Latyuk, Andrey Goryachev and Dmitriy Makarov
Metals 2023, 13(8), 1493; https://0-doi-org.brum.beds.ac.uk/10.3390/met13081493 - 21 Aug 2023
Cited by 1 | Viewed by 1013
Abstract
The aim of the present research was to examine the process of bioleaching and the application of a combined process for the recovery of copper and nickel from industrial sand deposits. The investigated sample of sands finer than 0.1 mm in size contained [...] Read more.
The aim of the present research was to examine the process of bioleaching and the application of a combined process for the recovery of copper and nickel from industrial sand deposits. The investigated sample of sands finer than 0.1 mm in size contained 0.32% Ni and 0.22% Cu. Industrial sands were processed by bioleaching in flasks on a thermostatically controlled shaker. In addition, sand roasting experiments were carried out with ammonium sulfate. An attempt was also made to use a combined process, including low-temperature roasting of the sands mixed with ammonium sulfate, water-leaching of the roasted mixture, and subsequent biological after-leaching of the residue. In the process of roasting the industrial sands in a mixture including ammonium sulfate at a temperature of 400 °C, more than 70% of the non-ferrous metals were recovered. We examined the possibility of recovering non-ferrous metals using a combined process including low-temperature roasting of industrial sands and the additional recovery of non-ferrous metals by bioleaching using the Acidithiobacillus ferrivorans bacterial strain, which was found to increase the recovery of non-ferrous metals to up to 90%. Full article
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