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Minerals
Special Issues
Advances in Mineral Beneficiation Methods
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Advances in Mineral Beneficiation Methods

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 (30 April 2023) | Viewed by 3995

Special Issue Editors

Dr. George Blankson Abaka-Wood

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Guest Editor
Future Industries Institute, University of South Australia, Mawson Lakes, SA 5095, Australia
Interests: mineral processing; hydrometallurgy; interfacial chemistry
Dr. Clement Owusu

E-Mail Website
Guest Editor
Department of Minerals Engineering, University of Mines and Technology, Tarkwa 00233, Ghana
Interests: minerals processing; processing plant optimisation; flotation; hydrometallurgy; geometallurgy; mineral surface characterization
Prof. Dr. Daniel Saramak

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Guest Editor
Department of Environmental Engineering, Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology, Mickiewicza 30 Av., 30-059 Cracow, Poland
Interests: mechanical enrichment; high-pressure comminution; mathematical modeling; optimization of selected operations in mineral processing; effectiveness of beneficiation processes; aggregate processing; economic of mineral processing; environmental footprints of mineral processing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The exhaustion of easy-to-treat and high-grade ores has led to the reliance and beneficiation of complex low-grade resources for their valuable minerals. In some cases, urban mining has been considered as an alternative to augment the supply of extraction of minerals. With gangue minerals forming the bulk of such complex low-grade primary ores and secondary resources, preconcentration strategies have been employed to reject the significant fraction of such wastes. These processes exploit the differences in the physical (i.e., magnetic, specific gravity, electrical, and size) and physicochemical properties of valuable and gangue minerals. Preconcentration of valuable minerals through physical beneficiation strategies such as magnetic, gravity, electrostatic, desliming, and froth flotation promotes enhanced value recovery whilst decreasing reagents and energy consumption during downstream extraction processes. These preconcentration strategies are in continuous adaptation for different ores and downstream process requirements. However, slimes and unliberated value minerals present real problems during preconcentration processes. This Special Issue aims to bring together relevant publications in the field of mineral processing, with a focus on preconcentration strategies for producing feed for further value recovery through hydrometallurgical and pyrometallurgical processes. Research articles that address the challenges associated with the use of these methods and the advances made to resolve them are highly recommended.

Dr. George Blankson Abaka-Wood
Dr. Clement Owusu
Prof. Dr. Daniel Saramak
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

  • froth flotation
  • magnetic separation
  • electrostatic separation
  • gravity separation
  • desliming
  • hydrocycloning
  • mineralogical characterization
  • ore sorting
  • liberation
  • mineral processing
  • ore handling

Published Papers (2 papers)

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Research

13 pages, 2620 KiB  
Article
Effect of Water-Air Microemulsion of Flotation Agent Solution on Flotation of Polymetallic Sulfide Ores
by Dulatbek Turysbekov, Nessipbay Tussupbayev, Sabira Narbekova and Zhamikhan Kaldybayeva
Minerals 2022, 12(12), 1612; https://doi.org/10.3390/min12121612 - 14 Dec 2022
Viewed by 1141
Abstract
The enrichment of polymetallic sulfide ore is a complex task. Fine grinding is carried out to reveal useful minerals, resulting in the formation of microparticles. It is difficult to achieve the floatation of microparticles and fine useful minerals are lost with flotation tailings. [...] Read more.
The enrichment of polymetallic sulfide ore is a complex task. Fine grinding is carried out to reveal useful minerals, resulting in the formation of microparticles. It is difficult to achieve the floatation of microparticles and fine useful minerals are lost with flotation tailings. The problem of microparticle flotation can be solved by using air bubbles smaller than 50 µmin for the flotation process. Water-air microemulsion (WAME)of a frothersolution obtained using the generator was used as microbubbles. The effect of WAME on flotation was studied on polymetallic ores and gold-bearing ore from Kazakhstan deposits.The use of WAMEin the processing of polymetallic ore allowed for themaintenance of the quality of rougher concentrates, to increase the copper extraction in Cu-Pb rougherconcentrate by 7.41%, of lead by 5.98% in the copper-lead flotation cycle (Cu-Pb-Zn-Fe ore), copper extraction in Cu-Mo rougherconcentrate by 5.2%, and molybdenum by 4.7% in the copper-molybdenum flotation cycle (Cu-Mo ore). The indicators of flotation gold extraction into the gold-containing concentrate significantly improved in comparison with the basic mode when using the generator in rougher and scavenger flotation cycles: the quality increased by 5.3 g/t, and the extraction increased by 4.27%. Full article
(This article belongs to the Special Issue Advances in Mineral Beneficiation Methods)
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17 pages, 4168 KiB  
Article
Characterization of Discarded Lead–Zinc Sulfide Ore Tailings Based on Mineral Fragments
by Jianqi Zhao, Wentao Hu, Fusheng Xiao, Xinwei Liu, Hongdong Yu, Huan Yuan and Huajun Wang
Minerals 2022, 12(10), 1279; https://doi.org/10.3390/min12101279 - 11 Oct 2022
Cited by 1 | Viewed by 1943
Abstract
The lead–zinc ore is a typical low-grade complex polymetallic sulphide ore. Its typical mineralogy is characterized by a high content of cryptocrystalline graphite, low content of lead, zinc, and copper, and fine grain size. However, the aggregation size of sulfide mineral aggregations is [...] Read more.
The lead–zinc ore is a typical low-grade complex polymetallic sulphide ore. Its typical mineralogy is characterized by a high content of cryptocrystalline graphite, low content of lead, zinc, and copper, and fine grain size. However, the aggregation size of sulfide mineral aggregations is coarse, and the symbiotic relationship is relatively simple. Conventional process treatment requires the fine grinding of ore into mineral monomer dissociations followed by preferential flotation, but this method has a poor sorting index and high production cost. In this paper, the grain size of the sulfide mineral aggregates determined by mineralogical studies is used to determine the fineness of the grinding, so that the liberation degree of the sulfide ore in the coarse grinding product reaches 70%, and each flotation process is used to collect rough concentrate. In the first step of flotation, the carbon in lead–zinc sulfide ore was removed by adding #2 oil to the flotation tank at a dosage of 40 g/t. In the second flotation process, the pH was adjusted to 7.2, the dosage of isopropyl xanthate was 20 g/t, the dosage of #2 oil was 30 g/t; the flotation reagent in the third step was isopropyl xanthate, and the dosage was 7.5 g/t, with a #2 oil of 15 g/t. Each flotation process concentrate is collected. Finally, the grades of lead and zinc in the final concentrate were 1.6% and 5.71%, respectively. In addition, the recoveries of lead and zinc were 91.78% and 92.07%, respectively. The yield of tailings was 50.6%. By the flotation of sulfide aggregates, a large number of gangues are avoided to participate in fine grinding, which helps to reduce the energy consumption of the mill. Full article
(This article belongs to the Special Issue Advances in Mineral Beneficiation Methods)
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