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reactants for chromite ores processing by froth flotation

US2469422A - Selective flotation of chromite ores - Google ...

US2469422A US514987A US51498743A US2469422A US 2469422 A US2469422 A US 2469422A US 514987 A US514987 A US 514987A US 51498743 A US51498743 A US 51498743A US 2469422 A US2469422 A US 2469422A Authority US United States Prior art keywords treatment concentrate pulp flotation froth Prior art date 1943-12-20 Legal status (The legal status is an assumption and is not a

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mineral processing ore aluminothermic process for chromium

Aluminothermic Process For Chromium. Aluminothermic chrome sportikoeu there are two ways of producing chromium metal the aluminothermic process chrome oxide chromium from the ore is the reaction ofthe process used to read more reactants for chromite ores processing by froth flotation

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Flotation of Chromite as Pre-Treatment of Olivine Before ...

The latter technique has been developed in continuous flotation columns or in other pilot or industrial devices for processing of UG2 ore in South Africa [5 Z. Ekmekçi, D.J. Bradshaw, S.A. Allison, and P.J. Harris, "Effects of frother type and froth height on the flotation behavior of chromite in UG2 ore", Miner.

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Flotation Reagents - Mineral Processing Metallurgy

Jun 08, 2016  This data on chemicals, and mixtures of chemicals, commonly known as reagents, is presented for the purpose of acquainting those interested in froth flotation with some of the more common reagents and their various uses.. Flotation as a concentration process has been extensively used for a number of years. However, little is known of it as an exact science, although, various

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Flotation Separation Chromite Ore Processing

Reactants For Chromite Ores Processing By Froth Flotation Bromine Ore Concentrating. Existing processes for the recovery of platinum group metalspgm from ug2 ores place stringent requirements with regard to chromite content about 2percent upon feed material to the planthe conventional process sequence involves smelting of

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Froth flotation of ores - PETROVICH; VOJISLAV

What is claimed is: 1. In concentrating by froth flotation of metallic ores selected from the group of molybdenum and wolfram, which includes the subjecting of such ore material when finely ground to froth flotation process which comprises; the step of oxidizng the molybdenum and wolfram mineral slurry to peroxy molybdenum and peroxy wolfram state with hydrogen peroxide or persulfate; the step ...

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Aluminothermic Reaction Process For Chromium Ore

Aluminothermic Reaction Process For Chromium Ore . Green manufacturing process of chromium compounds Zhang , In brief, the green manufacturing process of chromium compounds not only yields a higher amount of chromium but also comprehensively uses the accompanying elements so as to improve the atom utilization of chromite ore resources and elimination of process waste.

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(PDF) Process routes for beneficiation of noble metals ...

Figure 2-1: Typical process-flow diagram for a PGM-ore processing [Jones 1999] Typical composition of UG2 and Merensky flotation concentrate is shown in Table 2-2 [extracted from Liddell et al ...

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Adsorption of copper sulphate on PGM-bearing ores and its ...

Jun 01, 2016  2 kg portions of the Merensky and UG2 ores were milled in a stainless steel rod mill with a diameter of 30 cm and it was charged with 22 stainless steel rods of length 28.5 cm and diameter 25 mm.Both ore samples were milled at 66% solids in synthetic plant water to achieve a grind of 60% passing 75 μm.Copper sulphate (at a dosage of 90 g/tonne) was added in the mill prior to xanthate

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Froth Flotation Copper Extraction

Froth Flotation – Fundamental Principles - Chemical Engineering. Froth flotation is a highly versatile method for physically separating particles based on .... Table 1: Grade/recovery performance of a hypothetical copper ore flotation process. ..... Society for Mining, Metallurgy, and Exploration, Littleton, CO, pp. Read more

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Study of effect of process parameters and their ...

chromite content and the PGM grade in the concentrate. Froth flotation process is a complex process as all the parameters in the flotation interact with each other. The effects of individual parameters are well studied but interactive effects are less documented for UG2 ore flotation. This study investigated the effect of the interaction of

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Amine For Chromite Ores Processing By Froth Flotation

In the Baeyer's process, the bauxite ore is heated with concentrated NaOH .... Distinction between primary, secondary and tertiary amine Using Carbylamine Reaction Primary amine (both ... Potassium dichromate (K 2 Cr 2 O 7 ) is prepared from chromite ore FeCr 2 O 4 . ... The ore is concentrated by froth flotation process. Read more

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froth flotation short courses - bewa.waw

FROTH FLOTATION. reactants for chromite ores processing by The 1991 TMS Annual Meeting Short Courses . Read More copper mining training courses - djppolyShort courses on mining, Copper extraction WikipediaCopper extraction refers to the froth flotation is not used to concentrate copper oxide ores,

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amine for chromite ores processing by froth flotation

Jan 19, 1982 ... recovering a chromite-containing froth as a concenrate. 2. The forth flotation, chromite ore recovery process of the present invention can be... Read more. Read More amine for chromite ores processing by froth flotationri. Flotation Process Chromite aligarhadmin. reactants for chromite ores processing by froth flotation.

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froth flotation short courses - bewa.waw

FROTH FLOTATION. reactants for chromite ores processing by The 1991 TMS Annual Meeting Short Courses . Read More copper mining training courses - djppolyShort courses on mining, Copper extraction WikipediaCopper extraction refers to the froth flotation is not used to concentrate copper oxide ores,

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Flotation of chromite and serpentine - ScienceDirect

Jun 15, 2007  1.. IntroductionThe world supply and reserves of chromite or chrome ore (FeCr 2 O 4) have been dominated mainly by South Africa and the ex-USSR, which made chromite a strategic material in many Western countries .Bhappu highlighted the need for more research into the processing of low grade refractory ores of strategic metals such as chromium .It is also known that the Alpine

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Study of effect of process parameters and their ...

chromite content and the PGM grade in the concentrate. Froth flotation process is a complex process as all the parameters in the flotation interact with each other. The effects of individual parameters are well studied but interactive effects are less documented for UG2 ore flotation. This study investigated the effect of the interaction of

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Mineralogical characterisation of chromite in the UG2 Reef ...

During the beneficiation of chromite hosted PGE’s by froth flotation, chromite represents the principal gangue mineral. This is particularly true for the UG2 main seam. An excess of more than 3% in mass of chromite in the PGM concentrate is known to result in significant problems in the downstream processing and extraction of PGEs.

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Characterisation and Flotation of a Weathered Platinum ...

[2] D. J .Z. Ekmekçi, S. A. Bradshaw Allison, and P. J. Harris, “Effects of frother type and froth height on the flotation behaviour of chromite in UG2 ore,” Minerals Engineering, vol. 16, no. 10, pp. 941-949, 2003. [3] N. F. Dawson, “Experiences in the production of metallurgical and chemical grade UG2 chromite concentrates from

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dolomite ores separation from chromite ores by froth flotation

A froth flotation process for the separation of silica or siliceous ganguie from mineral values wherein the silica or siliceous gangue and mineral values In particulate form in an aqueous slurry are subjected to froth flotation in the presence of an amine collector and an alkanol amine corresponding to the formula NH(3x) wherein x is from 1 to ...

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Froth Flotation Research Papers - Academia

The comprehensive compilation of pertinent laboratory and industrial data is intended to provide practising specialists, metallurgists, and academics conducting research on Congolese Cu-Co ores with a single well-detailed reference source. Emphasis is placed on froth flotation as the major technique for the beneficiation of Cu-Co minerals.

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The effect of copper sulphate addition on the recovery of ...

UG2 ore from the Bushveld Complex is mined in South Africa for its Platinum Group Metal (PGM) content. Two of the main gangue minerals found in the ore are talc and chromite. The PGMs are separated from the ore by flotation. In this process unwanted minerals are also recovered. Talc is naturally hydrophobic and its flotation is depressed by

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Chromite Ore Briquetting Machine In Nepal

Chromite Ore Briquetting Machine In Nepal Iran Tehran Grind Sni Mayalanma Mrazi FOB Reference Price Get Latest Price Mining In Iran Wikipedia Iran Constitutes 18 Of The Worlds Cement Production And 16 Of The Worlds Cement Consumption The Main Producers Of Cement Are Fars Khuzestan Group Is Irans Largest Producer Of Cement With A Market Share Of ...

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chrome ore flotation process in russia

Product Supply Information Home >compact belt conveyor crusher>chrome ore flotation process in russia chrome ore flotation process in russia. Mining in Russia Kazakhstan Ukraine Uzbekistan The country is estimated to contain 30% of the world's reserves of chrome 25% of the manganese10% of the iron ore 10% of the copper and 13% of th lead and.

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Fundamental properties of flotation frothers and their ...

In the present work, five different flotation frothers were tested in order to evaluate their performance in the flotation of two coal samples in terms of their effect on the entrainment of fine particles. The experimental program included the characterization of the investigated frothers by means of surface tension measurements, dynamic foamability index (DFI), critical coalescence ...

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for froth flotation of chromite - bieszczady-ggg

Reactants For Chromite Ores Processing By Froth Flotation. dolomite ores separation from chromite ores by froth flotation. Ore flotation – Art and Aviation Art by Caroline Marshall monazite, hematite, smithsonite chromite and tantalite ores, hematite from quartz dolomite and . More Details

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Flotation of Chromite as Pre-Treatment of Olivine Before ...

The latter technique has been developed in continuous flotation columns or in other pilot or industrial devices for processing of UG2 ore in South Africa [5 Z. Ekmekçi, D.J. Bradshaw, S.A. Allison, and P.J. Harris, "Effects of frother type and froth height on the flotation behavior of chromite in UG2 ore", Miner.

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aluminothermic reaction process for chromium ore

froth flotation process in chromium. aluminothermic reaction process for chromium ore. ... reactants for chromite ores processing by froth ... » amine for chromite ores processing by froth flotation ... Inquire Now; Product Search CLARIANT. I allow Clariant to store and process my information for the purpose given in this contact form. Inquire Now

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Flotation of chromite and serpentine - ResearchGate

Flotation of chromite and serpentine ... processing characteristics of these ore types are quite variable. ... work were presented at the “Froth flotation/Dissolved-air flota-

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AN INVESTIGATION OF FROTH EFFECTS IN SCAVENGING

10% and secondly the high chromite content in the flotation concentrate leads to downstream smelting problems. This project was aimed at improving the recovery of platinum and reducing the amount of ... 2.6. Process optimisation of flotation circuits ... 2.9. Froth washing of UG-2 ore ...

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v118n1a8 Effect of frother and depressant interaction on ...

work based on UG2 ore, McFadzean and Pani (2015) reported on interactive effects between depressant, frother, froth height, and superficial air velocity. They reported that among the process parameters, superficial air velocity had the dominant effect on chromite and PGM recovery, while depressant had a dominant effect only on chromite grade.

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dolomite ores separation from chromite ores by froth flotation

A froth flotation process for the separation of silica or siliceous ganguie from mineral values wherein the silica or siliceous gangue and mineral values In particulate form in an aqueous slurry are subjected to froth flotation in the presence of an amine collector and an alkanol amine corresponding to the formula NH(3x) wherein x is from 1 to ...

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chrome ore flotation process in russia

Product Supply Information Home >compact belt conveyor crusher>chrome ore flotation process in russia chrome ore flotation process in russia. Mining in Russia Kazakhstan Ukraine Uzbekistan The country is estimated to contain 30% of the world's reserves of chrome 25% of the manganese10% of the iron ore 10% of the copper and 13% of th lead and.

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A Process Mineralogical Evaluation of Chromite at the ...

A process mineralogical study based on three texturally and mineralogically different chromite-bearing ore types at the Nkomati nickel mine was undertaken, with focus on chromite. Chromite is a by-product of the Ni-Cu-Co-PGE ore at Nkomati Nickel mine. These being the PCMZ_MG (medium-grade Ni-Cu sulphide silicate ore with disseminated chromite), PCMZ_HG (high-grade Ni-Cu sulphide silicate ore ...

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US Patent for Frothers demonstrating enhanced recovery of ...

The invention is a process for recovering coal or mineral values from raw coal or mineral ore which comprises subjecting the raw coal or mineral ore in the form of an aqueous pulp, to a floatation process in the presence of a floatation collector, and a flotating amount of a floatation frother which comprises the reaction product of an alitphatic C.sub.6 alcohol and between about 1 and 5 moles ...

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Froth flotation method for recovering metal values ...

What is claimed is: 1. In concentrating by froth flotation of native silver and native copper, silver, copper, nickel, cobalt, and chromium ores, which includes subjecting a finely ground aqueous dispersion of said ores to froth flotation process in the presence of commercial quaternary ammonium chlorides or bases derived from them, selected from the group consisting of tricaprylylmethyl ...

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chromite flotation cell with feeder Prominer (Shanghai ...

A Process Mineralogical Evaluation of Chromite at the - MDPI. 12 Aug 2020 chromite-bearing ore types at the Nkomati nickel mine was Feed of PCMZ blend, flotation to recover BMS, PCMZ tailings sent to Laboratory benchtop flotation test work was conducted using a 2.5 L flotation cell mounted

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flotation of gold and copper ore processing - BINQ Mining

May 09, 2013  Froth flotation grinding mills,Copper ore ball mill process – Gold Ore 13 Jan 2012 Froth Flotation – Summary For a complete explanation of froth flotation, see the later Froth Flotation section. Froth flotation was the key process »More detailed

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