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Combined Beneficiation and Metallurgy for Comprehensive Utilization of Metal Mineral...
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Combined Beneficiation and Metallurgy for Comprehensive Utilization of Metal Mineral Resources

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Waste and Recycling".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 5926

Special Issue Editors

Dr. Shuai Yuan

E-Mail Website
Guest Editor
School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
Interests: mineral processing; extractive metallurgy; comprehensive utilization of resources; waste and recycling
Prof. Dr. Peng Gao

E-Mail Website
Guest Editor
School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
Interests: mineral processing; extractive metallurgy; comprehensive utilization of resources; waste and recycling
Special Issues, Collections and Topics in MDPI journals
Dr. Yongxing Zheng

E-Mail Website
Guest Editor
Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China
Interests: comprehensive utilization of resources; waste treatment; interface chemistry; mineralogical reconstruction; flotation

Special Issue Information

Dear Colleagues,

In recent years, many scholars have focused on the key scientific problems of the efficient, clean, and sustainable utilization of strategic metal mineral resources, achieving technological breakthroughs and technological progress through the intersection of mineral processing, metallurgical engineering, and environmental engineering. The research results have effectively promoted the comprehensive utilization level and sustainable development of strategic metal mineral resources. This Special Issue aims to discuss combined beneficiation and metallurgy for the comprehensive utilization of metal mineral resources. We welcome mineral processing, extractive metallurgy, and environmental and recycling studies, both experimental and theoretical, that  integrate cross-disciplinarily aspects.

We hope that this Special Issue will contribute to the achievement of a better understanding of beneficiation and metallurgy for the comprehensive utilization of metal mineral resources, and the green, low-carbon, and sustainable development of mineral resources.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Mineral processing;
  • Extractive metallurgy;
  • Combined beneficiation and metallurgy;
  • Comprehensive utilization of resources;
  • Waste and recycling.

We look forward to receiving your contributions.

Dr. Shuai Yuan
Prof. Dr. Peng Gao
Dr. Yongxing Zheng
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. Sustainability is an international peer-reviewed open access semimonthly 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

  • mineral resources
  • mineral processing
  • extractive metallurgy
  • combined beneficiation and metallurgy
  • comprehensive utilization of resources
  • metallurgical solid waste
  • waste and recycling

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Published Papers (3 papers)

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Research

15 pages, 12681 KiB  
Article
Investigation of Mineral Phase Transformation Technology Followed by Magnetic Separation for Recovery of Iron Values from Red Mud
by Shuai Yuan, Ruofeng Wang, Hao Zhang, Yanjun Li, Liu Liu and Yafeng Fu
Sustainability 2022, 14(21), 13787; https://doi.org/10.3390/su142113787 - 24 Oct 2022
Cited by 6 | Viewed by 1827
Abstract
Experiments were conducted to investigate the mineral phase transformation technology of high-iron red mud, effectively extracting valuable iron minerals and reducing the hazards associated with red mud stockpiling and storage. A magnetic concentrate with an iron grade of 55.84% and recovery of 93.75% [...] Read more.
Experiments were conducted to investigate the mineral phase transformation technology of high-iron red mud, effectively extracting valuable iron minerals and reducing the hazards associated with red mud stockpiling and storage. A magnetic concentrate with an iron grade of 55.84% and recovery of 93.75% could be obtained at a roasting temperature of 560 °C, roasting time of 15 min, CO concentration of 20% and total gas flow of 500 mL/min. A combination of XRD and SEM-EDS analysis was employed to evaluate the phase transformation during the roasting process. ToF-SIMS analysis was applied to assess the occurrence state of various elements during the roasting of red mud. Full article
(This article belongs to the Special Issue Combined Beneficiation and Metallurgy for Comprehensive Utilization of Metal Mineral Resources)
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13 pages, 4118 KiB  
Article
Fluidization Roasting Technology of Jingtieshan Iron Ore in the Absence of Carbon Additives
by Xinran Zhu, Qiang Zhang, Yongsheng Sun, Yanjun Li and Yuexin Han
Sustainability 2022, 14(20), 13629; https://doi.org/10.3390/su142013629 - 21 Oct 2022
Cited by 4 | Viewed by 1605
Abstract
This study presents a fluidization roasting technology for siderite-bearing iron ore without the use of carbon additives. Samples of Jingtieshan iron ore were subjected to fluidization magnetization roasting, and the effects of roasting temperature, time, and N2 flow rate on the magnetic [...] Read more.
This study presents a fluidization roasting technology for siderite-bearing iron ore without the use of carbon additives. Samples of Jingtieshan iron ore were subjected to fluidization magnetization roasting, and the effects of roasting temperature, time, and N2 flow rate on the magnetic separation performance were explored. An iron concentrate with an iron grade of 57.40% and recovery of 91.17% was acquired at a roasting temperature of 700 °C, roasting time of 10.0 min, an N2 flow rate of 600 mL/min, grinding particle size of −125 μm, and constant magnetic intensity of 99.47 kA/m. The samples were characterized by X-ray diffraction, optical microscopy, scanning electron microscopy–energy dispersive spectroscopy, and vibrating sample magnetometry. The results revealed that hematite and goethite were reduced to magnetite by the CO generated during siderite decomposition; meanwhile, siderite was transformed into magnetite with the consumption of CO during the reduction process. The saturation magnetization of the roasted ore significantly increased owing to the formation of ferrimagnetic magnetite, which was easily recovered in the subsequent magnetic separation. Full article
(This article belongs to the Special Issue Combined Beneficiation and Metallurgy for Comprehensive Utilization of Metal Mineral Resources)
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Graphical abstract

11 pages, 1994 KiB  
Article
Efficient Utilization of Siderite- and Hematite-Mixed Ore by Suspension Magnetization Roasting: A Pilot-Scale Study
by Chao Chen, Yuexin Han, Yushu Zhang, Yachuan Liu and Yingzhi Liu
Sustainability 2022, 14(16), 10353; https://doi.org/10.3390/su141610353 - 19 Aug 2022
Cited by 3 | Viewed by 1685
Abstract
Steel is an important industrial raw material and plays an important role in industrial construction. Studying the efficient utilization of complex refractory iron ore with large reserves is of great significance to ensure the strategic safety of China’s iron and steel industry. Focusing [...] Read more.
Steel is an important industrial raw material and plays an important role in industrial construction. Studying the efficient utilization of complex refractory iron ore with large reserves is of great significance to ensure the strategic safety of China’s iron and steel industry. Focusing on the typical mixed iron ore of siderite (FeCO3) and hematite (Fe2O3), this paper analyzes the possible ways of magnetization roasting from the perspective of thermodynamics and highlights that oxidation–reduction roasting is an easy way to realize industrial application. On this basis, a pilot-scale test of suspension magnetization roasting followed by low-intensity magnetic separation is carried out by using a newly developed suspension magnetization roasting furnace. The effects of roasting temperature, CO consumption, and N2 consumption on the magnetization roasting process are investigated, and 24 h continuous tests are carried out. Here, we find continuous suspension magnetization roasting followed by low-intensity magnetic separation can obtain a total iron grade of over 56% with an average value of 57.18% and a total iron recovery rate of over 91% with an average value of 92.22%. Product analysis shows that after SMR, iron minerals such as siderite and hematite transform into magnetite, with a substantial increase in magnetism, which is conducive to the separation of iron ore. The results provide a reference for the development and utilization of siderite- and hematite-mixed iron ore. Full article
(This article belongs to the Special Issue Combined Beneficiation and Metallurgy for Comprehensive Utilization of Metal Mineral Resources)
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