Produits phares
Preliminary Discussion on Comprehensive Utilization of Tailings
At the present stage, the study on the tailings’ comprehensive utilization is mainly concentrated in minerals; it means we need to use all kinds of research methods and results that we use in the mineralogy nowadays to solve the problems we
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(PDF) Comprehensive Utilization of Iron Tailings in China
Dec 19, 2018As an important part of its mineral resources, iron ore mining in China discharges nearly 300 million tons of iron tailings (ITS) annually, such that a
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Problems and Countermeasures of comprehensive utilization of
Jun 29, 20162016-06-29 (1) the utilization of tailings is low, and the comprehensive utilization rate is low. At present, the vast majority of tailings have not been comprehensive utilization, comprehensive utilization rate of less than 10%, especially the utilization of iron tailings and non-ferrous metal tailings is lower.
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Present Situation of Comprehensive Utilization of Tailings
Dec 08, 2019The stone introduces status of tailings resource briefly, and discusses the necessities of comprehensive utilization of tailings in the current economic development situation and environmental protection in China. Based on a large number of examples and data, the approaches of comprehensive utilization and current development status are described.
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CN110563444A comprehensive utilization method of
the invention discloses a comprehensive utilization method of Rouyuan red tailings, which comprises the following steps: carrying out first grading on the mining tailings to obtain ore tailings and sand materials; carrying out second classification on the processing tailings to obtain stone leftover materials and stone powder; carrying out third grading on the sand and
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Utilization of tailings in cement and concrete: A review
Jan 28, 2019Tailings are solid wastes of the ore beneficiation process in the extractive industry and are available in huge amounts in some countries. This stone reviews the potential utilization of
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Disposal Methods on Solid Wastes from Mines in
Jan 01, 2012According to incomplete statistics, for example, China discharges more than 0.5 billion tons tailings every year, and the rate of comprehensive utilization of tailings is less than 7% at present. The output of tailings in a mine depends on the grade of ore beneficiated in mineral processing plant.
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Copper recovery from tailings through bioleaching and
Jan 15, 2022According to Fig. 1 (a), copper recovery in samples T2-0 to T5-0 where tailings were added at intervals was 3.27%, 3.08%, 2.87% and 1.96%, respectively. Oxidation of Fe 2+ and S 2− related to bacterial reproduction can be responsible for catalyzing dissolution of copper sulfides during bioleaching ( Yin et al., 2019a ).
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Rushan Tailings Comprehensive Utilization Project
Oct 31, 2021Stock of the tailings is about 9640 thousand cubic meters and 24100 thousand tons. The main ingredients are silicon dioxide, magnesium oxide, aluminum oxide etc. At present, all tailings are stocked in tailing reservoir. By attracting and inviting investment, the existing tailings will be in comprehensive utilization and development.
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Present Situation of Comprehensive Utilization of Tailings
Dec 08, 2019The stone introduces status of tailings resource briefly, and discusses the necessities of comprehensive utilization of tailings in the current economic development situation and environmental protection in China. Based on a large number of examples and data, the approaches of comprehensive utilization and current development status are described.
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Mineralogical Characteristics of Phosphate Tailings for Comprehensive
Apr 01, 2021Guizhou Key Laboratory of Comprehensive Utilization of Non-Metallic Mineral Resources, Guiyang, Guizhou 550025, China 4 Guizhou Academy of
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Mineralogical Characteristics of Phosphate Tailings for Comprehensive
Apr 01, 2021The phosphate tailings contain relatively high content of Si and Ca and low content of heavy metals such as Cd and Pb, which has little impact on the environment. However, the tailings still have the value of comprehensive utilization because the content of P 2 O 5 is 15.76%. Therefore, the phosphorus mineral in tailings can be further
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Innovative methodology for comprehensive utilization of iron
Feb 15, 2010In order to comprehensive utilization of iron ore tailings, this experimental research was to investigate the possibility of using the residues after iron recovery from iron ore tailings as raw materials for the preparation of cementitious material, abbreviated as TSC, including analyses of its mechanical properties, physical properties and hydration products.
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Preparation of architectural ceramics project for comprehensive
The comprehensive utilization of tailings to prepare architectural ceramics project is the key project of the “Thirteenth Five-Year Plan” for the transformation and upgrading of Zhongtiaoshan Group. I. The use of mature and multi-breaking and pre-crushing and continuous grinding production processes in the mining and smelting industry
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Promote Comprehensive Use of Tailings to Create a Good Social
The comprehensive utilization and deep development of tailing resources have become a focus of national resources exploration. Thereinto, another advantage of developing artificial sand with tailings is that the artificial sand is generally produced by the machinery and has fixed production site and improved organization and management, which
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Disposal Methods on Solid Wastes from Mines in ScienceDirect
Jan 01, 2012Current situation and prospect of the comprehensive utilization of mining tailings. Mining and Metallurgical Engineering, 2005, 25(3): p. 44-47. Google Scholar. Maiti S K, Nandhini S, and Das Manab. Accumulation of metals by naturally growing herbaceous and tree species in iron ore tailings. International Journal of Environmental Studies, 2005
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Resource utilization of slag from desulphurization and slag
May 01, 2022Herein, we proposed a comprehensive utilization process of the SDSS, it was a combined process of beneficiation and building materials preparation. When the iron-rich products were recovered in stages by clean gravity magnetic separation, the tailings are processed and utilized simultaneously to realize the full utilization of all components
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Mortar Designed from Red Mud with Iron Tailings and Moulded
Jul 04, 2022In order to improve the comprehensive utilization of resources and solve the problem of environmental pollution, it is necessary to make reasonable treatment and utilization of iron tailings. China’s iron tailings discharge is mainly hematite tailings and magnetite tailings. Where F c is the maximum load at crushing, N;
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Tungsten Tailings Utilization JXSC Machine
Sep 29, 2019The use of tungsten tailings as a raw material for the production of cement can reduce the amount of fluorite. When the mass fraction of WO3 in raw meal is 1×10~6×10, it can improve the burnability of raw materials and is beneficial to the formation of cement clinker mineral Elite. The escape rate of tungsten is almost zero, and it can reduce
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天の空: Comprehensive utilization ore tailings recycling
Comprehensive utilization ore tailings recycling In tailings selection production practice, ore dressing factory annually discharge 5 million tons tailings. Tailing grade is 7.62% before selection,and the final grade of tailings is 6.15% through selection again. Dressing workshop discharges total tailings, we select coarse fine ore from which
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PAPER OPEN ACCESS Comprehensive Utilization of Iron
May 03, 2020Comprehensive utilization of iron tailings in China 3.1. Reselected tailings and recovered valuable minerals [18] studied the performance of limestone fly ash to stabilize the crushing road of iron tailings, and analyzed the influencing factors and mechanism of lime fly ash to stabilize the strength of iron tailings gravel. The test results
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IJERPH Free Full-Text The Recent Progress China Has Made in
May 16, 2022In terms of tailings utilization, the Suichang gold mine has introduced an advanced tailings classification system and combined it with a tailings dehydration system (see Figure 5f) to classify (sort) tailings according to their particle sizes. Coarse (rough) particle sizes are used for construction and manufacturing, and fine particle sizes
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Rushan Tailings Comprehensive Utilization Project
Oct 31, 2021Stock of the tailings is about 9640 thousand cubic meters and 24100 thousand tons. The main ingredients are silicon dioxide, magnesium oxide, aluminum oxide etc. At present, all tailings are stocked in tailing reservoir. By attracting and inviting investment, the existing tailings will be in comprehensive utilization and development.
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Mineralogical Characteristics of Phosphate Tailings
Apr 01, 2021The phosphate tailings contain relatively high content of Si and Ca and low content of heavy metals such as Cd and Pb, which has little impact on the environment. However, the tailings still have the value of comprehensive
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PAPER OPEN ACCESS Comprehensive Utilization of Iron
May 03, 2020Comprehensive utilization of iron tailings in China 3.1. Reselected tailings and recovered valuable minerals [18] studied the performance of limestone fly ash to stabilize the crushing road of iron tailings, and analyzed the influencing factors and mechanism of lime fly ash to stabilize the strength of iron tailings gravel. The test results
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Comprehensive Utilization of Iron Tailings in China IOPscience
Dec 01, 2018[9] Chang Q. 2010 New Progress on Comprehensive Utilization and Emission Reduction of Mine Tailings Metal Mine 1-5. Go to reference in article Google Scholar [10] Li Y. 1999 Recovery of Rare Earth and Niobium from Strong Magnetic Tailings of Baotou Steel Journal of Guangdong Non-Ferrous Metals 9 101-105. Go to reference in article Google Scholar
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Promote Comprehensive Use of Tailings to Create a Good Social
The comprehensive utilization and deep development of tailing resources have become a focus of national resources exploration. Thereinto, another advantage of developing artificial sand with tailings is that the artificial sand is generally produced by the machinery and has fixed production site and improved organization and management, which
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Speed up the legislative work of comprehensive utilization of
Mar 18, 2021In the aspect of comprehensive utilization of tailings, the main way in China at present is to fill the goaf with tailings. Filling the goaf with tailings can not only control the underground goaf, avoid the surface collapse and safety hidden danger caused by the goaf, but also improve the recovery rate, make use of a large amount of tailings
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13 Applications of Tailings and Waste Rocks Fote Machinery
Jul 12, 2021Today, Fote Heavy Machinery will share with you the 13 applications and usages of waste rocks and tailings. 1. Sand and gravel aggregate. Sand aggregate is one of the resource-consuming, fundamental, indispensable, and irreplaceable materials for the construction of infrastructure projects such as buildings, roads, and bridges.
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Don't litter Kaolin Tailings. How about these utilization
Through the recovery and utilization of tailings, the annual profit can be increased by 2.3 million yuan. In the process of comprehensive recovery and utilization of pyrite-rich kaolin, due to the easy marginalization of kaolin, fine and fine kaolin has
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Utilization of Copper Mine Tailings as Road Construction
Abstract. This research studies the feasibility of using copper mine tailings (MT) as an alternative road construction material through geopolymerization. First, an extensive literature review on the use of MT as road construction material was performed. The utilization of MT in road construction can be divided into two general categories based
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Mortar Designed from Red Mud with Iron Tailings and Moulded
Jul 04, 2022In order to improve the comprehensive utilization of resources and solve the problem of environmental pollution, it is necessary to make reasonable treatment and utilization of iron tailings. China’s iron tailings discharge is mainly hematite tailings and magnetite tailings. Where F c is the maximum load at crushing, N;
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Comprehensive utilization of limestone sandstone
Jan 14, 2021The comprehensive utilization of powdered stone varies with the lithology and properties of its parent rock. (1) Concrete admixture. Limestone powder is an inert admixture. As a concrete admixture, limestone powder has
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Treatment and Utilization of China Mining Tailings
Development of industrially developed countries have mining waste as the new goal of mine development, the comprehensive utilization of the tailings and the degree of governance as a sign of measuring a country's technological level and economic level of development. Of research in this area started late, but compelled by the situation required
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CN109304256A A kind of method of comprehensive utilization
The invention discloses a kind of method of comprehensive utilization of copper metallurgy tailings, comprising the following steps: (1) using copper metallurgy tailings as raw material after screening and classification, obtains the crushed material of copper metallurgy tailings, then crushed material progress flotation is obtained copper concentrate；(2) the copper metallurgy
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Research Progress of Comprehensive Utilization of Nonferrous
Jun 25, 2021The large amount of discharged nonferrous metal mine tailings occupy land, resulting in the waste of mineral resources. There are direct or potential safety risks and environmental hazards. Based on the analysis of the current research status of the comprehensive utilization of nonferrous metal mine tailings, the following utilization status
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