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steel recovered fom red mud magnetic separator

Red mud (RM) accumulated over the years and caused a serious environmental problem. Iron-rich fraction separation is a cost-effective way to reduce the amount of disposal RM. A circulating high-gradient superconducting magnetic separator was produced in this work. Steel wool was filled in the circulating boxes.

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v117n4a7 Recovery of iron from red mud by high magnetic separator

v117n4a7 Recovery of iron from red mud by high magnetic separator

briquettes, and magnetic separation, as shown in Figure 1 magnetic separator. Recovery of iron from red mud by high-temperature reduction of carbon-bearing briquettes by T. Chun*, D. Li*, Z magnetic separator. Di*, H. Long*, L. Tang*, F magnetic separator. Li*, and Y. Li* /3%040 Red mud is the waste generated during the production of alumina from bauxite. The high-temperature reduction of red mud in magnetic separator. magnetic separator. magnetic separator. magnetic separator

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Application of Bayer red mud for iron recovery and magnetic separator

Application of Bayer red mud for iron recovery and magnetic separator

Red mud is a solid waste produced in the process of alumina extraction from bauxite magnetic separator. In this paper, recovery iron from Bayer red mud was studied with direct reduction roasting process followed by magnetic separation, and then building materials were prepared from alumosilicate residues. magnetic separator

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VALUE ADDED METAL EXTRACTION FROM RED MUD magnetic separator

VALUE ADDED METAL EXTRACTION FROM RED MUD magnetic separator

metallurgical processes for metal recovery from red Mud is important for bulk utilization. Value addition and moving towards zero waste. To recover iron values from red mud two main approaches which have been generally investigated are based on: 1. Iron recovery by solid state reduction of red mud followed by magnetic separation magnetic separator. 2 magnetic separator. magnetic separator

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EXTRACTION Red Mud magnetic separator

EXTRACTION Red Mud magnetic separator

Jun 28, 2018 High Gradient magnetic separation was also tried to separate the iron from red-mud sample, but a lot of weak magnetic particles were discovered in the magnetic fraction [32]. Hydrothermal leaching studies to selectively separate iron from the red-mud were also not successful [33-36] magnetic separator. magnetic separator

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Feasibility study of iron mineral separation from red mud

Feasibility study of iron mineral separation from red mud

The phenomena that magnetic separation efficiency was affected by iron contents in RM feeds which is accordance to Section 3.1.The chemical composition and weight recovery of HGSMS were shown in Tables 3 and 4 when the magnetic intensity was 3 T. RM 1# or 2# was fed in the HGSMS, the concentrates (1) and residues (1) were collected after the ...

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Extraction of Iron from Red mud Low Temperature magnetic separator

Extraction of Iron from Red mud Low Temperature magnetic separator

Results and Discussion: Mag Separation Jamaican Red-Mud Drying & Grinding (P 80=75 ) Pyro: reduction to magnetite Caustic Leaching CO/CO 2, N 2 reductants Pet Coke reductant Dry Magnetic Sep 15 Wet Magnetic Sep magnetic separator.. magnetic separator. (Magnetite): Amount of Fe recovered as magnetite in the magnetic fraction 60 40 20 0 0 10 20 30 40 50 60 Recovery % (Magnetite magnetic separator.. magnetic separator.

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Method for the treatment of red mud Magyar magnetic separator

Method for the treatment of red mud Magyar magnetic separator

Red mud is processed with the process embodiment of the present invention shown in FIG. 1 magnetic separator. 1 magnetic separator.5 tons/hr red mud, limestone and anthracite are added in a mixture to a 20 m rotary kiln. The red mud contains 35% moisture and the amount of the limestone is 57 magnetic separator.7% based on the dry red mud and of the anthracite 20% based on the dry red mud magnetic separator.

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CN101984080B Process and device for separating iron and

CN101984080B Process and device for separating iron and

The invention relates to a process and device for separating iron and aluminum silica slag from red mud and removing alkali metal. The process comprises the following steps: uniformly mixing red mud, coal powder, lime and an adhesive according to a certain ratio, compressing into balls, drying, melting and reducing in a rotary hearth furnace, crushing, and magnetically separating iron and ...

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Iron Recovery from Bauxite Residue Through Reductive magnetic separator

Iron Recovery from Bauxite Residue Through Reductive magnetic separator

Liu Z , Li H ( 2015 ) Metallurgical process for valuable elements recovery from red mud-a review . Hydrometallurgy 155 : 29 - 43 11 magnetic separator. Xenidis A , Zografidis C , Kotsis I , Boufounos D ( 2009 ) Reductive roasting and magnetic separation of Greek bauxite residue for its utilization in iron ore industry . magnetic separator

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Recovery of Fe2O3 amp TiO2 from Bauxite Processing Waste magnetic separator

Recovery of Fe2O3 amp TiO2 from Bauxite Processing Waste magnetic separator

Recovery of Fe2O3. Fe2O3 is another material in red mud that has attracted a number of researchers magnetic separator. Until now, there are three means to recover iron from red mud: smelting, solid-state reduction and magnetic separation magnetic separator. In smelting process, red mud is charged into blast furnace or …

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Reductive Smelting of Red Mud for Iron Recovery magnetic separator

Reductive Smelting of Red Mud for Iron Recovery magnetic separator

ing with magnetic separation [4–6] or recently microwave assisted carbothermic reduction [7]. But in many cases red mud has been smelted. Thereby red mud is mixed with fluxes and coke and either pelletized or directly smelted magnetic separator. The pellets are heated up and get pre-reduced before the temperature was raised above the liquidus temperature to magnetic separator

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Recovering metals from red mud by thermal treatment and magnetic separator

Recovering metals from red mud by thermal treatment and magnetic separator

This paper deals with an alternative treatment for recovering metals from goethite red mud (RM), which occurs as a by-product at zinc leaching plants. It is derived from the hydrometallurgical treatment of sphalerite, which involves roasting followed by acid attack and subsequent recovery of the zinc by electrodeposition. The leaching mud contains various oxides and hydroxides of iron plus . magnetic separator. magnetic separator. magnetic separator

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Conversion of ferric oxide to magnetite by hydrothermal magnetic separator

Conversion of ferric oxide to magnetite by hydrothermal magnetic separator

One is to recover iron from bauxite directly, the other is from red mud magnetic separator. The former includes gravity concentration, magnetic separation and pre-roasting− magnetic separation, etc magnetic separator. [5−7]. The later involves reduction roasting−magnetic separation, direct smelting and …

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High Gradient Magnetic Separator HGMS JXSC Machine

High Gradient Magnetic Separator HGMS JXSC Machine

Aug 15, 2019 It is a new type of strong magnetic separator developed on the basis of a general magnetic separator machine. The high gradient magnetic separator equipment is suitable for: Separation of weak magnetic minerals, such as hematite, limonite, siderite, ilmenite, chromite, wolframite, tantalum-niobium ores, red mud and so on;

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Semi Smelting Reduction and Magnetic Separation for the

Semi Smelting Reduction and Magnetic Separation for the

This work presents a semi-smelting reduction and magnetic separation process for the recovery of iron and alumina slag from iron rich bauxite ore. The effect of the process parameters on the recovery rate of iron, maximum particle size of the iron nugget, and the Al2O3 content of the alumina slag was investigated and optimized. The results show that the iron nuggets and alumina slag can be ...

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PROCESS FOR EXTRACTION OF FINE IRON FROM RED MUD magnetic separator

PROCESS FOR EXTRACTION OF FINE IRON FROM RED MUD magnetic separator

Red mud, being a waste material, usually contains 30% to 60% of iron oxides depending on source of origin. Thousands of tons of red mud are generated during extraction of alumina using Bayer Process magnetic separator. Therefore, development of eco-friendly and economic method of extraction of fine iron from red mud finds suitable for industrial application magnetic separator.

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Alumina Extraction from Red Mud by Magnetic Separation

Alumina Extraction from Red Mud by Magnetic Separation

Alumina extraction from red mud has been investigated by magnetic separation with three-step treatment. First, the addition of red mud with Na 2 CO 3 (12 wt%) and heated at 110 C for 4 h. The second step was carbon reduction using coal with mass ratio of (red mud+Na 2 CO 3) : coal was 1:3 then roasted at temperature of 850, 950, and 1050 C for 1, 2, and 3 h.

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Study on the Technology of Iron Recovery from High Iron magnetic separator

Study on the Technology of Iron Recovery from High Iron magnetic separator

High-iron alumina oxide red mud was used as raw material to recover iron by reduction roasting followed by magnetic separation magnetic separator. The behavior of iron oxides during reduction roasting was firstly studied magnetic separator. And the effects of sodium carbonate and sodium sulfate on the reduction and separation were researched in detail. The optimized additive proportion was obtained as 6% Na2CO3and 6% Na2SO4 magnetic separator.

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Preparation of alternative raw materials for resource magnetic separator

Preparation of alternative raw materials for resource magnetic separator

separator and the magnetic recovered were further subjected for grinding to d 80 (50 microns) and again subjected to low intensity magnetic separator to recover enriched iron product. Similarly, an attempt was made to roast the Ilmenite and this product subjected to microwave furnace to recover … magnetic separator

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CN101648159B Method for recovering iron concentrates magnetic separator

CN101648159B Method for recovering iron concentrates magnetic separator

The invention provides a method for recovering iron concentrates from alumina red mud, adopting the following technical scheme: a medium-intensity magnetic separator is adopted to recover the strongly magnetic iron concentrates after red mud tailings are subjected to slag separation, then the obtained tailings are subjected to open rough separating and refined separating by a high gradient .. magnetic separator. magnetic separator

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Modeling assessment of recovering iron from red mud by magnetic separator

Modeling assessment of recovering iron from red mud by magnetic separator

May 22, 2018 To recover the iron efficiently from red mud, a three-factor five-level central composite design in response surface methodology was used to study the effects of process parameters, such as FC/O (the molar ratio of fixed carbon in coal to reducible oxygen of iron oxide in red mud), reduction temperature, reduction time, and their interaction on the iron recovery rate and total iron content in … magnetic separator

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Recovery of Iron From High Iron Red Mud by Reduction magnetic separator

Recovery of Iron From High Iron Red Mud by Reduction magnetic separator

Aug 01, 2012 Abstract. Red mud is the waste generated during aluminum production from bauxite, containing lots of iron and other valuable metals. In order to recover iron from red mud, the technology of adding sodium carbonate-reduction roasting-magnetic separation to treat high-iron red mud was developed magnetic separator. The effects of sodium carbonate dosage, reduction temperature and reduction time on the … magnetic separator

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