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Advanced Technologies in Mine and Mineral Separation

A Special Issue of Applied Sciences (ISSN 2076-3417) belonging to the section "Earth Sciences".

Deadline for manuscript submissions: 30 November 2026 | Viewed by 469

Editors

Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, China Academy of Geological Sciences, Zhengzhou 450007, China
Interests: surface analysis; XPS; material characterization; surface characterization; surface science

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Guest Editor
School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
Interests: magnetic separation; dry magnetic separation; preconcentration; numerical simulation; multi-physics
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Special Issue Information

Dear Colleagues,

The Special Issue explores recent innovations in physical separation**, mining technologies**, and mineral processing. The global mining and metallurgical industries currently demand highly efficient methods to recover valuable resources while minimizing environmental impact. The collection aims to compile high-quality research on novel techniques for particle recovery, impurity removal, and mineral enrichment. Relevant topics encompass high-gradient magnetic separation, advanced froth flotation mechanisms, gravity separation techniques, and innovative fluidization technologies. Submissions addressing the integration of multiphysics fields, such as the combination of magnetic separation with radial airflow or magnetic fluids, are highly encouraged. Furthermore, the scope includes surface chemistry regulation, polyanionic interfacial phenomena in flotation, and the preconcentration of complex or low-grade ores including ilmenite, spodumene, and barite. Authors may submit original investigations, simulation models, and comprehensive reviews that showcase theoretical breakthroughs or full-scale industrial applications. The ultimate objective is to develop sustainable, high-performance separation systems to address modern critical material shortages.

Dr. Haoran Chu
Prof. Dr. Dongfang Lu
Guest Editors

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Keywords

  • magnetic separation
  • froth flotation
  • gravity separation
  • mineral processing
  • multiphysics fields
  • particle recovery
  • surface chemistry

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Published Papers (1 paper)

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Research

23 pages, 11301 KB  
Article
Study on the Pre-Concentration of Spodumene Using Dense Medium Cyclone
by Bao Cui, Zonghui Wang and Dongfang Lu
Appl. Sci. 2026, 16(17), 8489; https://doi.org/10.3390/app16178489 - 26 Aug 2026
Viewed by 242
Abstract
Dense medium cyclone (DMC) separation offers a potential route for the pre-concentration of spodumene ores prior to downstream grinding and flotation. In this study, the effects of dense medium suspension density and feed pressure on spodumene pre-concentration were investigated through actual ore separation [...] Read more.
Dense medium cyclone (DMC) separation offers a potential route for the pre-concentration of spodumene ores prior to downstream grinding and flotation. In this study, the effects of dense medium suspension density and feed pressure on spodumene pre-concentration were investigated through actual ore separation tests combined with CFD simulations. Under the optimal conditions of a feed pressure of 150 kPa and a medium density of 2200 kg/m3, the Li2O grade increased from 1.30% in the feed to 5.72% in the concentrate, with a Li2O recovery of 77.23% and a separation efficiency of 60.42%. CFD results showed that the optimal operating conditions produced a relatively stable flow field with lower turbulent kinetic energy. Excessively high medium density or feed pressure increased the probability of fine spodumene particles reporting to the overflow, resulting in lithium losses, whereas insufficient medium density or feed pressure promoted the misplacement of gangue minerals into the concentrate. These results clarify the effects of key operating parameters on spodumene separation in a DMC and provide a basis for optimizing the pre-concentration of hard-rock lithium ores. Full article
(This article belongs to the Special Issue Advanced Technologies in Mine and Mineral Separation)
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