Mobile crushing line

Hot selling equipment


Recovering Iron from Iron Ore Tailings and Preparing ...

2019-4-16  Abstract: Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate. In this paper, iron recovery from IOTs was studied at di erent points during a process involving pre-concentration followed by direct reduction and magnetic separation. Then,

Get Price

Recovering Iron from Iron Ore Tailings and Preparing ...

Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate. In this paper, iron recovery from IOTs was studied at

Get Price

Recovery of iron from hazardous tailings using fluidized ...

2020-2-1  Iron ore tailings have proved to be one of the most hazardous solid wastes. This paper presents an innovative technological method for recycling iron from tailings that involves coupling the magnetic separation preconcentration with fluidized roasting followed by

Get Price

Recovery of Ultra-Fine Iron Ore from Iron Ore Tailings ...

2017-9-14  Findings show that only at Tilden Iron ore mines, selective flocculation has been commercially used after reverse flotation process . Very few attempts have been taken to establish the selective flocculation process for real iron ore tailings in the laboratory scale [10, 14, 16,17,18,19]. The commercial application of this process is very limited.

Get Price

Evaluation of Additional Iron Recovery from Iron Ore Tailings

2018-3-27  Wet magnetic separation of Abagur tailings -0.007 mm in size allowed recovery of 0.6 to 1.45% of magnetic fraction with Fe total content of 53.3 and

Get Price

(PDF) Recovery of Ultra-Fine Iron Ore from Iron Ore Tailings

Experiments have shown that it is possible to obtain a concentrate containing 65% iron, 1.8% alumina and 1.4% silica with an iron recovery of 80% from the tailings of Barsuan iron ore

Get Price

Innovative methodology for comprehensive utilization of ...

2010-2-15  Therefore, the recovery and utilization of iron in iron ore tailings are very important to save iron resources. At present, magnetizing roasting and direct reduction are the two main ways to recycle iron from tailings or other iron contained wastes. The differences between them

Get Price

Mineralogical Characterisation of Iron Ore Tailings by ...

2015-5-30  iron ore tailings have been made in terms of their potential applications in the mining sector through its use as a low-grade ore and ceramic industry, partly replacement of matter material used [7,4]. The samples selected for this study are tailings iron ore processing of Mining industry located in Brazil. ...

Get Price

Characterisation of Tailings from Itakpe Iron Ore Mine ...

Australia, on average, the production of 1 tonne of iron ore results in the generation of 2 tonnes of iron ore tailings [7]. In Brazil, it is estimated that for each tonne of beneficiat ed iron ore, 400 kg of tailings are produced, and based on the 2014 production, about 275.5 million tonnes of waste w as

Get Price

Tackling tailings: extracting value from a liability to ...

2020-4-29  The small footprint machine is highly applicable to the African market for tailings recovery. The machine, which can be deployed in less than a week due to its modular nature, is movable and can be broken down, moved from one tailings dam to the next, and be rebuilt in a very short space of time.

Get Price

Recovering Iron from Iron Ore Tailings and Preparing ...

Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate. In this paper, iron recovery from IOTs was studied at different points during a process involving pre-concentration followed by direct

Get Price

(PDF) Recovering Iron from Iron Ore Tailings and

The separation technology provides for production of iron ore concentrate with total iron content of 65.9% and recovers 91.0% of magnetite and 80.5% of hematite from the tailings containing 20.4% ...

Get Price

Evaluation of Additional Iron Recovery from Iron Ore Tailings

2018-3-27  The article demonstrates feasibility of additional iron recovery from the secondary kind of mineral raw materials—dry magnetic separation tailings obtained at crushing and processing factories of Abaza and Irba and wet magnetic separation tailing produced at Abagur processing plant of Evrazruda. Dry centrifugal separation treatment of Abaza tailings–3 mm in size allowed 6.3% of middlings ...

Get Price

Recovery of iron from Baotou rare earth tailings by ...

2013-10-31  Li et al. performed experimental study about the iron recovery from Baotou rare earth tailings using microwave reduction and low-intensity magnetic separation process in which micron-sized and nanosized carbons were used as reductants. They obtained iron ore concentrate with a grade of 63 % and an iron recovery of 54.80 %.

Get Price

Novel method for iron recovery from hazardous iron ore ...

2018-2-10  Iron ore tailing (IOT) is a typical industrial solid waste from iron production, where approximately 2.5–3 t of IOT are generated for 1 t of iron product in China (Zhang et al. 2006).In recent years, steel production has significantly increased to satisfy construction industry demands, which has resulted in the generation of a considerable amount of IOT.

Get Price

Recovery of Iron Ore Tailings byColumn Flotation

2013-12-24  Recovery of Iron Ore Tailings by Column Flotation . Plinio Eduardo Praes, Rodrigo Oscar de Albuquerque, Antonio Furquim Oliveira Luz . Centro de Desenvolvimento da Tecnologia Nuclear (CDTN), Comissão Nacional de Energia Nuclear, Belo Horizonte, Brazil . Email: [email protected] . Received May 28, 2013; revised July 3, 2013; accepted July 30, 2013

Get Price

OPTICAL SORTING OF IRON ORE TAILINGS - ResearchGate

iron ore tailings. Feed size-capacity relationship of the ... concentrate from magnetite processing tailings with a high recovery by using optical sorting. A low cost circuit

Get Price

Comprehensive Utilization of Iron Tailings in China ...

2018-12-1  Sun H., Yi Z. et al 2010 Innovative Methodology for Comprehensive Utilization of Iron Ore Tailings Part 2:The Residues after Iron Recovery from Iron Ore Tailings to Prepare Cementitious Material Journal of Hazardous Materials 78-83. Google Scholar

Get Price

Characterisation of Tailings from Itakpe Iron Ore Mine ...

Australia, on average, the production of 1 tonne of iron ore results in the generation of 2 tonnes of iron ore tailings [7]. In Brazil, it is estimated that for each tonne of beneficiat ed iron ore, 400 kg of tailings are produced, and based on the 2014 production, about 275.5 million tonnes of waste w as

Get Price

How to handle mine tailings safely and sustainably ...

2019-7-19  The practice of dewatering tailings, however, is still limited to few areas globally. According to Metso’s analysis, only ~5% of tailings generated in 2018 were dewatered into thickened, paste ...

Get Price

[PDF] Recovery of values from tailing ponds of iron ore ...

Most of the Iron ore washing plants set up in India in the earlier days consist of sizing of the ore by dry / wet screening, washing and classification by screw classifiers. In this classical approach, iron values were lost in the form of fines and utrafines into the tailing ponds as they had little commercial value in those days and accumulated in huge quantities over the years.

Get Price

Recovery of Iron from Tailings of Yangla Copper Ore by ...

Against the dwindling status of mineral resources at present, effective recycling of tailings resources is an effective way to alleviate the shortage of resources, and to improve enterprise efficiency. This study was aimed to recover iron from tailings of Yangla copper ore, Fe content of which was 15.31%, and the content of strong magnetic iron mineral was about 11%.

Get Price

Iron recovery from zinc mine tailings by magnetic ...

2020-7-22  The volume of tailings produced by the extractive industry has been increasing due to the processing of the low‐grade ore. This issue can cause environmental accidents and require significant investment to control the disposal of tailings. ... Therefore, this study aims to recover iron from zinc mine tailings by wet magnetic separation ...

Get Price

Experimental Research on Recovering the Iron from Iron ...

2008-8-19  Key words: Iron recovery from tailings, Low intensity magnetic separation, Magnetic separating column Cite this article ZHANG Qu-Fei. Experimental Research on Recovering the Iron from Iron Tailings of Jinling Mine[J]. Metal Mine, 2008, 38(10): 149-152. 0 ...

Get Price

Possibility of recovering iron fines from tailings by ...

2011-12-9  recover most of the iron values lost at present from the washery tailings. The high grade iron ore fines can be used in the sinter feed to some extent without affecting the sinter qualities using suitable sintering techniques. In order to get the raw material at lower cost the utility of super grade iron

Get Price

Silica and Iron Recovery from a Residue of Iron Ore Flotation

A study of silica and iron recovery from the iron ore concentration tailing is presented. The residue is composed of 40.1% Fe, 33.4% SiO2, 8.31% Al2O3, 0.08% P, and 0.34% MnO. The developed process of silica and iron recovery consisted of size classification, magnetic separation, and removal of impurities by leaching. A concentration of SiO2 from 33.4% to 67.0%, with 60.0% of mass reduction ...

Get Price

Technological research on converting iron ore tailings ...

2021-6-18  iron ore tailings into a marketable product I. Mitov1, A. Stoilova1,2, B. Yordanov1, and D. Krastev1 Synopsis We present three technological scenarios for the recovery of valuable components from gangue, stored in the tailings dam at Kremikovtzi metallurgical plant in Bulgaria, into marketable iron-containing pellets.

Get Price

Recovery of vanadium from secondary tailing of iron ore by ...

2021-9-1  In this paper, the recovery of vanadium from the secondary tail deposits of iron ore by salt roasting-alkaline leaching and solvent extraction has been investigated. To extract the vanadium, after the characterizations studies (XRF, SEM, and EPMA analyzes), preliminary leaching was performed using HCl to reduce lime.

Get Price

Comprehensive Utilization of Iron Tailings in China ...

2018-12-1  Sun H., Yi Z. et al 2010 Innovative Methodology for Comprehensive Utilization of Iron Ore Tailings Part 2:The Residues after Iron Recovery from Iron Ore Tailings to Prepare Cementitious Material Journal of Hazardous Materials 78-83. Google Scholar

Get Price

Utilization of Iron Ore Tailings as Raw Material for ...

2016-3-16  The cement industry has for some time been seeking alternative raw material for the Portland cement clinker production. The aim of this research was to investigate the possibility of utilizing iron ore tailings (IOT) to replace clay as alumina-silicate raw material for the production of Portland cement clinker. For this purpose, two kinds of clinkers were prepared: one was prepared by IOT; the ...

Get Price