Comprehensive Utilization of Tailings in Quartz Vein
Minerals 2022, 12, 1481 2 of 16 valuable renewable elements, such as potassium, iron, and aluminum, which must be fur-ther processed and utilized [18–20].
Comprehensive utilization status of red mud in China: A …
The results show that research on the comprehensive utilization of red mud is mainly found in three fields: the construction and chemical industry, the environmental protection and agriculture industry, and the valuable elements extraction industry. ... mixed waste limestone, red mud, gold tailings, and nickel iron slag in particular ...
Analysis of Foundation Properties of Anshan-Type Tailings
The comprehensive utilization rate of iron tailings has 80% in these countries and continues to be improved, such as Europe, the US and Japan [4,5,6,7,8,9,10,11]. However, the research on the secondary development and utilization of iron tailings in China has been relatively delayed to foreign countries, resulting in a significantly lower ...
Comprehensive Utilization of Vanadium Extraction Tailings: …
At present, there are many methods of iron recovery and utilization, including magnetization roasting, spiral chute, magnetic separation, flotation iron lifting, iron batching, and so on . Various researches on iron recovery from vanadium extraction tailings have been reviewed, mainly focusing on pyrometallurgy and beneficiation process ...
Current situation and comprehensive utilization of iron ore …
It has been proved that the comprehensive utilization of iron ore tailings is efficient, socially beneficial and improves environment situation. The scopes of comprehensive utilization of iron …
A value-added multistage utilization process for the gradient …
In this study, a multistage utilization process was put forward to get the utmost out of the valuable elements (tin and iron) from the tailings, and a gradient-recovery method with three procedures …
A value-added multistage utilization process for …
In this study, a multistage utilization process was put forward to get the utmost out of the valuable elements (tin and iron) from the tailings, and a gradient-recovery method with...
Transforming Mining Waste to Wealth: A Novel Process for …
Transforming Mining Waste to Wealth: A Novel Process for the Sustainable Recovery and Utilization of Iron Tailings through HCl Leaching and MOFs Absorption February 2024 Sustainability 16(5):1945
Field application and effect evaluation of different iron tailings …
At present, comprehensive utilization pathways of iron tailings include recovery of valuable components (Zhai et al., 2020), production of concrete fillers and ceramsite, etc. (Li et al., 2020a). Although these technologies could reuse iron tailings to a certain extent, issues such as land occupation, environmental pollution, and ecological ...
Review on comprehensive utilization of nickel laterite ore
Comprehensive recovery of valuable elements: Recyclable reagents, low cost: High recovery: Green and environmentally friendly, low cost: Limitations: ... Magnetic separation for recovering iron resources from acid-leaching tailings of laterite nickel ore through mineral phase transformation. Separation and Purification Technology, 342 (2024 ...
Technical Proposal for the Recovery of Iron Tailings in Dams …
The objective of this study is to present a tailings recovery project in a dam located in northern Brazil; the tailings in this dam have high concentrations of iron. The sustainable …
Resource Utilization of Iron Ore Tailings to Recover SiO
Iron ore tailings (IOTs) are an important solid waste in the mining industry, which can pollute the environment and endanger human health. However, the disposal and high value-added utilization of iron tailings have always been a challenge. Notably, superconducting high-gradient magnetic separation (S-HGMS) technology is a promising technology in mineral …
(PDF) Stepwise Utilization Process to Recover Valuable
Li et al. studied a gradual extraction process to extract valuable metals such as copper, iron, lead, and zinc from copper tailings. Firstly, the flotation process is used to enrich copper; the ...
Separation and purification of high-purity quartz from high …
The production of iron ore tailings is increasing annually with the continual mining of low-grade iron ore (Kinnunen and Kaksonen, 2019, Yang et al., 2017, Zhang et al., 2018, Zhang et al., 2019b).More than 10 billion tons of iron ore tailing have been produced in China, but only approximately 27.69% of tailing materials had been utilized comprehensively as of 2018 …
Advanced converter sludge utilization technologies for the recovery …
These wastes include iron ore tailings, mill scale, steel converter, red mud, and direct reduction iron (DRI) sludge [14,20,40, 41]. These materials are continuously piled up due to the lack of ...
Comprehensive Utilization of Tailings in Quartz Vein …
The aim of this study was to develop a comprehensive technology for the utilization of tailings from quartz vein-hosted gold deposits. We investigated the recovery potential and separation process for gold, feldspar, and quartz from tailings samples collected from the Jinqu gold mine in Henan province, China. The sequence of the principal flowsheet of the …
Innovative methodology for comprehensive utilization of iron …
Innovative methodology for comprehensive utilization of iron ore tailings: part 2: The residues after iron recovery from iron ore tailings to prepare cementitious material. Li C, Sun H, Yi Z, Li L. Li C, et al. J Hazard Mater. 2010 Feb 15;174(1-3):78-83. doi: 10.1016/j.jhazmat.2009.09.019.
A review on complex utilization of mine tailings: Recovery of rare earth elements and residue valorization
The common ways of comprehensive recovery and utilization of iron tailings resources at present are described in detail from five aspects: In terms of the recovering valuable elements, the principle of first pre …
Present Situation of Comprehensive Utilization of Tailings …
Further research on the comprehensive utilization of tailings, combining the comprehensive utilization of tailings with environmental treatment, can not only realize good economic benefit, but also produce significant social benefit. ... WU W-Y. Iron recovery and rare earths enrichment from Bayan Obo tailings using Coal-Ca(OH)2-NaOH roasting ...
Progress, challenges, and perspectives of critical elements recovery
An outstanding aspect of this review is its comprehensive coverage and detailed discussion of recent advancements in recovery techniques for six critical elements (Sb, Bi, In, Ga, Ge, and Te) from tailings generated in various processing streams of sulfide ores.
Extraction and Utilization of Valuable Elements from …
The recovery of Fe can be improved by reducing high iron bauxite residue with pyrite, and iron in both pyrite and high iron bauxite residue can be recovered simultaneously, alleviating the ...
Extraction and Utilization of Valuable Elements from …
ment of bauxite residue tailings and the recovery of iron and aluminum resources (Zhu et al. 2020), but in fact, a variety of valuable elements associated with bauxite ore have been an important hidden treasure. Bauxite ores show various forms under geological and physical–chemical eects, and rare elements have dier-
Innovative methodology for comprehensive utilization of …
Iron ore tailings have become one kind of the most hazardous solid waste. In order to recycle iron in the tailings, we present a technique using magnetizing roasting process …
Research Progress on Comprehensive Recovery and Utilization …
The contradiction between supply and demand of gold resources in China has always existed, and the proportion of recovery gold in the gold total supply is increasing yearly. Many gold-bearing tailings are produced in the mining, dressing and smelting process of gold-bearing minerals, and they contain gold, silver and other valuable metals. This paper analyzes …
Review on Comprehensive Recovery Valuable Metals and Utilization …
Copper slag, a waste solid produced in the copper smelting process, is a high-quality secondary resource with huge output. The recycling and utilization of copper slag is of great interest because it avoids the loss of valuable metals and the threat of harmful metals, and saves a lot of natural resources and energy. This paper firstly reviews the main methods for the …
Comprehensive Utilization Analysis of Tailings
environmental pollution around the tailings. Therefore,the recovery of valuable components in ... storage value of iron tailings is as high as 2.6 billion tons,the non‐ferrous metal tailings is ...
Underestimated environmental benefits of tailings resource utilization …
Among the tailings produced in China in 2019, iron tailings were 520 million tons, accounting for 40.9%, copper tailings were 325 million tons, accounting for 25.6%, and the rest were rare and precious metal and non-metal tailings (Du et al., 2020). Among all types of tailings, non-ferrous metal tailings have a tremendous pollution potential ...
Underestimated environmental benefits of tailings resource utilization …
Among the tailings produced in China in 2019, iron tailings were 520 million tons, accounting for 40.9%, copper tailings were 325 million tons, accounting for 25.6%, and the rest were rare and precious metal and non-metal tailings (Du et al., 2020).
Research Progress of Comprehensive Utilization of Iron Tailings
At present, the storage capacity of iron tailings in China has reached over one billion tons. Not only the potential safety hazards of tailing dam and environments pollution will be produced, but also a large number of valuable components will be wasted. It does not meet the requirements of the country to build a resource−saving and environment−friendly society.
A review on complex utilization of mine tailings: Recovery of rare …
A review on complex utilization of mine tailings: Recovery of rare earth elements and residue valorization