Mineral Processing and Separation: Research, Innovation and Production

A special issue of Separations (ISSN 2297-8739). This special issue belongs to the section "Separation Engineering".

Deadline for manuscript submissions: 10 December 2025 | Viewed by 138

Special Issue Editor


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Guest Editor
Zijin College of Geology and Mining, Fuzhou University, Fuzhou, China
Interests: magnetic separation theory; micromagnetic calculation; magnetic separation process simulation; fluid mechanics and development of high-gradient magnetic media box
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Special Issue Information

Dear Colleagues,

Mineral processing, as a relatively green processing technology, is one of the most attractive research fields in the literature. The primary goal of mineral processing, a technological process that involves the separation, enrichment, and purification of natural ores using physical and chemical techniques, is to effectively extract valuable mineral components from the raw ore while eliminating hazardous impurities or useless minerals. It often involves magnetic separation, flotation, gravity separation, electric separation, etc.

It is crucial to concentrate on scientific topics like flotation surface chemistry, mineral separation mechanism, and the simulation of polymagnetic media and magnetic particle behavior at a basic research level in order to support the industry's transition to a greener and more decarbonized economy.

Therefore, it is my pleasure to invite you to contribute your research article, communication, or review to this Special Issue “Mineral Processing and Separation: Research, Innovation and Production”, which is dedicated to the separation processes, modeling, and analytical techniques of magnetic material extraction from ore or other materials.

Prof. Dr. Jiangang Ku
Guest Editor

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. Separations 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 2600 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

  • magnetic separation
  • flotation
  • gravity separation
  • electric separation
  • separation modeling
  • ore purification

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Published Papers (1 paper)

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Review

35 pages, 8311 KiB  
Review
Efficient Exploitation of Lepidolite Resources: A Review on Beneficiation Techniques, Extraction Methods, and Synergistic Optimization
by Jiangang Ku, Xiao Shi, Qian Wang, Hanyu Lin, Hongliang Shang and Zhengchang Shen
Separations 2025, 12(5), 130; https://doi.org/10.3390/separations12050130 - 16 May 2025
Viewed by 27
Abstract
Lithium is a critical mineral resource. With the development of high-end manufacturing industry, the demand for high-performance lithium-containing chemical raw materials continues to grow. At present, lithium needs to be acquired from a large amount of lepidolite ore, constrained by the existing lithium [...] Read more.
Lithium is a critical mineral resource. With the development of high-end manufacturing industry, the demand for high-performance lithium-containing chemical raw materials continues to grow. At present, lithium needs to be acquired from a large amount of lepidolite ore, constrained by the existing lithium resource supply limitation quandary, and the industry urgently needs to develop more efficient beneficiation and extraction methods for lepidolite. Findings have suggested mixed collectors (e.g., DDA/SDBS) achieve a 4.99% Li2O grade and 98% recovery at neutral pH, reducing reagent use by 20–30%. Microwave-assisted roasting boosts Li recovery to 95.9% and cuts energy use by 26.9%. Bioleaching with Acidithiobacillus ferrooxidans (A.F.) and rhamnolipid releases 6.8 mg/L Li with a lower environmental impact. Sulfuric acid baking recovers Li (97.1%), Rb (96.0%), and Cs (95.1%) efficiently. Despite challenges in fine-particle recovery and reagent costs, integrated strategies like nanobubble flotation, green collectors, and AI optimization offer sustainable, high-efficiency extraction. This work provides insights for advancing lepidolite processing, balancing economics and environmental stewardship. Full article
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