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Minerals
Special Issues
Biohydrometallurgical Technologies and Geomicrobiology of Mining Areas
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Biohydrometallurgical Technologies and Geomicrobiology of Mining Areas

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 July 2022) | Viewed by 3930

Special Issue Editors

Dr. Aleksandr Bulaev

E-Mail Website
Guest Editor
Winogradsky Institute of Microbiology, Research Centre of Biotechnology of the Russian Academy of Sciences, Leninsky Ave., 33, bld. 2, 119071 Moscow, Russia
Interests: biohydrometallurgy; biomining; acidophilic microorgansisms; metal extraction; sulfide ores and concentrates
Special Issues, Collections and Topics in MDPI journals
Dr. Sergey M. Abramov

E-Mail Website
Guest Editor
Microbial Ecology, Department of Geosciences, Eberhard-Karls-University Tuebingen, Schnarrenbergstrasse 94-96, 72076 Tuebingen, Germany
Interests: biohydrometallurgy; biogechemistry; biomining; acidophilic microorgansisms; heavy metals; microbial ecology

Special Issue Information

Dear Colleagues,

This Special Issue of Minerals is focused on recent advances in biohydrometallurgy, as well as on geomicrobiological processes in mining areas, which often determine their environmental impact and, in turn, may be used for metal extraction and treatment of mining and metallurgical wastes.

This Special Issue will cover a broad range of relevant topics:

  1. Development of novel biohydrometallurgical technologies;
  2. Recent advances in industrial applications of biomining technologies;
  3. Microbe–mineral interactions;
  4. Novel microorganisms involved in mineral bioleaching;
  5. Biohydrometallurgical treatment of sulfide and non-sulfide ores and concentrates;
  6. Biohydrometallurgical treatment of mining and metallurgical wastes;
  7. Geomicrobiological processes of mining area and its environmental impact;
  8. Microbial ecology in industrial and natural ecosystems associated with biohydrometallurgy and mineral weathering;
  9. Processes involved in Fe and S biogeochemical cycles (sulfide minerals bio-oxidation, weathering, sulfate reduction, etc.) and their industrial application;
  10. Application of geomicrobiological processes for a decrease in the environmental effect of the mining industry.

Thank you. We look forward to receiving your contribution.

Dr. Aleksandr Bulaev
Dr. Sergey M. Abramov
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Minerals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biohydrometallurgy
  • metal extraction
  • acidophilic microorganisms
  • sulfide ores and concentrates
  • non-sulfide ore bioleaching
  • Fe and S biogeochemical cycles
  • environmental impact of sulfide mineral weathering
  • biomining

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  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
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Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

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Research

16 pages, 1963 KiB  
Article
Attempts to Stimulate Leaching Activity of Acidithiobacillus ferrooxidans Strain TFBk
by Alyona Yachkula, Olga Rozova, Tatiana Abashina, Mikhail Vainshtein, Denis Grouzdev and Aleksandr Bulaev
Minerals 2022, 12(8), 1051; https://doi.org/10.3390/min12081051 - 20 Aug 2022
Cited by 9 | Viewed by 3027
Abstract
Autotrophic acidophilic bacteria Acidithiobacillus ferrooxidans is a model species for studying metal bioleaching from low-grade sulfide ores and concentrates. Arsenopyrite gold-bearing concentrates are refractory and often processed using biohydrometallurgical approaches; therefore, it is important to develop methods to improve arsenopyrite bioleaching. In the [...] Read more.
Autotrophic acidophilic bacteria Acidithiobacillus ferrooxidans is a model species for studying metal bioleaching from low-grade sulfide ores and concentrates. Arsenopyrite gold-bearing concentrates are refractory and often processed using biohydrometallurgical approaches; therefore, it is important to develop methods to improve arsenopyrite bioleaching. In the present work, we have studied the possibility of improving arsenopyrite concentrate bioleaching by the strain of A. ferrooxidans. For this purpose, we have analyzed the genome of the strain A. ferrooxidans TFBk to reveal the genes potentially important in the bioleaching process. Genes determining resistance to arsenic, as well genes involved in the utilization of C1-compounds and resistance to oxidative stress, were revealed. Therefore, the possibility of increasing the rate of arsenopyrite concentrate bioleaching using C1-compounds (methanol and formate) was studied. Formate was able to increase both the biomass yield of the strain A. ferrooxidans TFBk as well as the bioleaching rate. In addition, the effect of redox potential increase by means of the addition of sodium persulfate in the medium on arsenopyrite concentrate bioleaching was studied. It was shown that the addition of 0.1% sodium persulfate stimulated strain growth, while a higher concentration inhibited it. Despite this, the rate of concentrate bioleaching increased in the presence of 0.5–1.0% of persulfate, which may be explained by the interactions of added oxidizer with concentrate components. Full article
(This article belongs to the Special Issue Biohydrometallurgical Technologies and Geomicrobiology of Mining Areas)
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