Underestimated environmental benefits of tailings resource utilization …

The resource utilization of tailings will relieve the pressure on resources and contribute to the realization of China's 'Carbon Peaking and Neutrality Goals,' with a significant benefit of emission reduction. At present, there are few such studies on bulk industrial solid waste.

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UTILIZATION OF IRON ORE TAILINGS AS SUBSTITUTE …

UTILIZATION OF IRON ORE TAILINGS AS SUBSTITUTE TO CONVENTIONAL AGGREGATES IN POTHOLE PATCHING MIXTURES Deepthi C1, Dr. Shivakumar G2 ... broken pieces of the pavement. It is usually the result of water in the underlying soil structure and traffic passing over the affected area. Water first weakens the underlying

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Tailings

Tailings are Mine Waste. Tailings are the waste materials left after the target mineral is extracted from ore. They consist of: Crushed rock. Water. Trace quantities of metals such as copper, mercury, …

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Comprehensive Utilization of Vanadium Extraction Tailings: …

Various comprehensive utilization of vanadium extraction tailings have been reviewed and compared, mainly focusing on the extraction of vanadium, iron, titanium, and gallium from vanadium extraction tailings and the preparation of titanium-iron black ceramic building materials, far-infrared coatings, converter slagging agents, and so on. ...

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Recent practices in mine tailings' recycling and reuse

Utilization of mine tailings as raw materials in different industrial sectors. Mixed with sand and cement, tailings can be employed in the construction industry to …

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Recovery of Iron from Copper Tailings Using a Combined

In this paper, aiming at the problem of low stockpiling and utilization rate of copper tailings from a copper slag, the limitation of traditional beneficiation and smelting process is broken through. The direct reduction–magnetic separation process is adopted. Through experimental research, the best experimental conditions for recovering ...

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Joint utilization and harmless elimination of aluminum dross …

This study creatively proposes a safe and green method for the joint utilization of these two wastes. The interfacial reaction behavior revealed that the dense oxidized films of the aluminum droplets were significantly broken by the erosive action of the fusing agent, providing the necessary conditions for the movement of aluminum droplets.

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Synergistic effect of iron tailings, steel slag and red mud

The combined utilization of these diverse solid wastes represents an effective approach to enhancing the overall utilization rate of solid wastes [28]. Iron tailings contribute to the availability of silicon and aluminum sources in cementitious materials, while steel slag served as a calcium source.

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Underestimated environmental benefits of tailings resource utilization …

The resource utilization of tailings will relieve the pressure on resources and contribute to the realization of China's 'Carbon Peaking and Neutrality Goals,' with a significant benefit of emission reduction. At present, there are few such studies on bulk industrial solid waste. The research framework in this paper can provide reference ...

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Use of iron ore tailings as partial replacement for cement on

The mining industry has been expanding and consequently increasing the associated environmental impacts, especially regarding this process's high volume of iron ore tailings (IOT) disposal. The best way to solve the problems caused by IOT is to develop large-scale utilization technologies that may consume large quantities of it.

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Planner, Mine Utility/Tailings (F/M/X)

Maximize the effective utilization of the hourly workforce by planning and scheduling of operational maintenance and direct production support work to optimize ore production as well as enhance availability of ventilation, pumps, and conveying systems for the mine. ... Full working knowledge of Mine Utility and Tailings processes, conveyors ...

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Current Situation and Progress of Comprehensive Utilization …

Vanadium tailings is the residue of vanadium slag after vanadium extraction, which is a secondary resource with high utilization value. This paper described the basic properties of the vanadium extraction tailings, reviewed current situation and progress of comprehensive utilization of vanadium extraction tailings, and introduced …

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Enhancement effect and mechanism of iron tailings powder …

Restricted by the development of reuse technology, the comprehensive utilization rate of tailings is still very low. As a result, a large number of waste tailings cannot be reused. ... Liu [29, 30] found that the surface of iron tailings waste rock is rich in a large number of silicon oxygen broken bonds and aluminum oxygen broken bonds, …

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Enhanced microbial remediation of uranium tailings through …

The study provides a new two-in-one solution for treatment of uranium tailings and resource utilization of red soil through in-situ microbial remediation. Graphical abstract. Download ... was used to collect the samples (50 kg) from 25 locations. After manually removing the plant debris and broken leaves, samples were naturally air-dried for 24 ...

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Resource utilization of sulfidic copper tailings in calcium …

Mine tailings are the by-products of the separation of valuable ores in mining plants, which generate a large amount of waste globally as a result of beneficiation activities [1].Recently, tailings solid waste has attracted the attention of many researchers due to their ability to be used as a building material, which can not only enhance the compressive strength of …

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Utilization of iron tailings to prepare high-surface area …

A pretreatment process included acid leaching and hydrothermal alkaline reaction was crucial to the successful utilization of iron tailings as a silicon source. Acid leaching removed about 96% of iron oxide from iron tailings but did not destroy the crystalline structure of silica (quartz). About 95% of silicon was extracted from iron …

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Comprehensive Utilization of Iron Tailings in China

Purpose-led Publishing is a coalition of three not-for-profit publishers in the field of physical sciences: AIP Publishing, the American Physical Society and IOP Publishing. Toget

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Resource Utilization of Cyanide Tailings: Preparation of …

The combined process of anaerobic roasting, persulfate leaching, and oxalic acid precipitation has been used to treat cyanide tailings, which achieved the harmless reduction and value-added utilization of the tailings while obtaining high-quality ferrous oxalate products. This paper focused on the main process and technical parameters of …

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Comprehensive Utilization of Iron Tailings in China

Abstract. Iron tailings are the main component of industrial solid waste, and their resource utilization has attracted the attention of the whole society. Based on the …

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Study on Resource Utilization Technology of Typical Copper Tailings

In order to solve the problems of typical tailings resource utilization from Panxi region, the technology of comprehensive utilization of the low-grade tailings was studied. Based on the research results of mineralogy of tailings process, the technical route of "floating-magnetic-gravity echelon recovery of useful mineral——silicon fertilizer from tailings" …

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Influence of phosphorus tailings fineness on the hydration …

Phosphate rock is broken up to an average particle size of 40–50 µm during beneficiation, and phosphate tailings are usually produced as paste or mud. ... There are still many problems in the utilization of phosphorus tailings, such as complicated processes, high costs, and low income, resulting in a large number of phosphorus …

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The harmless and value-added utilization of red mud: …

The harmless and value-added utilization of red mud: Recovering iron from red mud by pyrometallurgy and preparing cementitious materials with its tailings ... the inert silicon-oxygen and aluminum-oxygen bonds in RM are gradually broken. In T-CM, these broken bonds in the polymerization process allow trivalent or pentavalent ions to …

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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 …

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Coal waste: handling, pollution impacts and utilization

The mineral composition of these waste materials broken down by the dominant petrographic groups is given below in Table 3.1. Table 3.1. Brief petrographic description of rock spoil. ... The dewatering processes selected for fine-grain materials and coal tailings for energy utilization purposes are also a critical step in achieving a …

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Nord planning tailings, ore recovery at historic Castle silver …

Nord Precious Metals (TSXV: NTH; OTCQB: CCWOF) is making plans to retreat tailings from and recover broken ore from the historic Castle silver mine near Gowganda, Ont.The company is working with the Ontario Ministry of Mines regarding permits essential to the project. The tailings from previous operations at the mine site …

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Underestimated environmental benefits of tailings resource …

The resource utilization of tailings will relieve the pressure on resources and contribute to the realization of China's 'Carbon Peaking and Neutrality Goals,' with a …

WhatsApp: +86 18221755073

Transforming Mining Waste to Wealth: A Novel …

Rapid economic development and increased demand for mineral products in China have led to extensive extraction of various ores, resulting in significant environmental challenges associated with the …

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Activation and utilization of tailings as CO2 mineralization …

Activation and utilization of mine tailings as feedstock for CO 2 mineralization and supplementary cementitious materials (SCMs) have attracted great interest in the mining and concrete industries. In this work, a state-of-the-art review on the two utilization strategies and associated activation and pre-treatment methods was …

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Experimental analysis on cyanide removal of gold tailings

The cyanide content of gold tailings exceeds the standard seriously due to the cyanide extraction process. In order to improve the resource utilization efficiency of …

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CN102343304A

The invention discloses a comprehensive utilization method for iron core tailings. The comprehensive utilization method mainly comprises the steps of: regrinding and recleaning tailings from a concentration plant to recover iron ore concentrates from the tailings, partially applying recleaned tailings to stow an underground gob, feeding residual …

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Characterization and utilization potential of typical …

Shaanxi Province is located in the most important molybdenum ore district in the world, but a lot of molybdenum tailings have been released, polluting the environment and wasting resources seriously. Taking eleven tailing samples collected at the main molybdenum tailings ponds in Shaanxi Province as the research object, the physical, …

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Comprehensive Utilization of Iron Tailings in China

Comprehensive Utilization of Iron Tailings in China. Li Bing 1, Zhao Zhongying 2, Tang Biao 1, Li Hongbo 1, Cheng Hanchi 1 and Ma Zhen 1. Published under licence by IOP Publishing Ltd IOP Conference Series: Earth and Environmental Science, Volume 199, Issue 4 Citation Li Bing et al 2018 IOP Conf. Ser.: Earth Environ.

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Tailings storage facilities, failures and disaster risk | Nature

Mining generates 13 billion tonnes per year of potentially toxic wet slurry waste, called tailings, commonly deposited in tailings storage facilities (TSF). Since 1915, 257 TSF failures have ...

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Influence of phosphorus tailings fineness on the hydration …

About 80% of the world's associated phosphate minerals are carbonated [5]. Phosphate rock is broken up to an average particle size of 40–50 µm during beneficiation, and phosphate tailings are usually produced as paste or mud. ... To make reasonable and efficient resource utilization of phosphorus tailings, many scholars have explored …

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Utilization of sulfur iron ore tailing (SIOT) in GGBS …

Utilization of iron ore tailings as raw material for portland cement clinker production. Adv. Mater. Sci. Eng., 2016 (2016), Article 1596047, 10.1155/2016/1596047. View in Scopus Google Scholar [4] F. Han, Y. Zhou, Z. Zhang. Effect of gypsum on the properties of composite binder containing high-volume slag and iron tailing powder.

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Current situation and prospects for the clean utilization of gold tailings

Comparing the comprehensive utilization of gold tailings in the fields of mineral component recovery, environmental governance, and material applications indicated that the mineral component recovery process of gold tailings in the existing research field was complex and difficult to recover completely. However, there are …

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