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Sulphidization to improve the nickel oxide recovery by froth flotation

Increasing the time of sulphidization (> 5 min) decreased nickel oxide recovery. Flotation at Eh of -450 mV SHE produced the maximum recovery of 63%, from 37% without sulphidization (2x10-4 M ...

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Water Requirements of the Copper Industry - USGS

TABLE 1. Water use in the copper industry in Arizona and Texas, 1951. 188 2. Unit use of water in the mining of copper ore, 1955_____ 190 3. Previously published data showing unit use of water in the con­ centration of copper ores principally by water-gravity sepa­ ration and flotation. _____ _____ _____ 192 4.

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Munali Nickel Project, Albidon, Zambia - Mining Technology

The end product is a nickel-copper-cobalt-PGM concentrate, which is sold to Jinchuan Group for smelting. Albidon recorded its first revenue from the sale of Munali concentrate in October 2008. The mine and processing plant deployed at the project has a capacity of 80,000tpm. The water supply for the project comes partly from an on-site borefield.

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The effect of crystallochemical peculiarities of nickel sulphide ...

The FTIR (DRIFT) and FT-Raman studies of the products of copper-nickel ore flotation have recorded the presence of goethite, iron sulphates and sulphur element on the surface of mineral grains. It is a characteristic that the elemental suphur peaks' intensity decreased in the spectra on transition from the concentrate of between-bath to basic ...

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IN NICKEL | Metallurgists Perth | Perth | Strategic Metallurgy

Historically, selective flotation of copper from nickel sulfides has been achieved through pH modification; however, this method is rarely efficient, resulting in significant rejection of copper units to the nickel circuit. In Strategic Metallurgy's experience, this alternative method is robust, easy to control and results in improved grade ...

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Flotation of Copper-nickel Sulfide Ores - David Weston

What I claim as my invention is 1. A process for the flotation recovery of copper and nickel sulphide minerals from ore containing both such minerals by a process in which at least two conditioning steps precede flotation, said process comprising: -- conditioning a pulp of the ore in the presence of an alkaline agent to produce a conditioned alkaline pulp; then, in at least one further ...

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Copper-Nickel ores - Danafloat

Separation of the bulk concentrate copper and nickel minerals is generally accomplished by flotation of the copper from pentlandite and nickel-bearing iron sulphides which report to the flotation tails. Pentlandite and iron sulphides are depressed by raising the pH up to 12 with lime and a small amount of sodium cyanide.

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Nickel Smelting and Refining - International Finance Corporation

95% nickel). Vapor processes such as the carbo-nyl process can be used to produce high-purity nickel pellets. In this process, copper and precious metals remain as a pyrophoric residue that re-quires separate treatment. Use of electrical cells equipped with inert cathodes is the most com-mon technology for nickel refining. Electro-

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COBALT PROCESSING DEVELOPMENTS K G Fisher Bateman Engineering ... - SAIMM

Nickel sulphide deposits have historically been processed by flotation, followed by smelting to produce a PGM-bearing nickel matte which is shipped to specialist refineries using hydrometallurgical processes to recover the nickel, copper, PGMs and cobalt. There are many such refinery processes including:

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flotation cells extraction of copper from its ore cheap

10 1000TPD Copper Ore Beneficiation Plant / Flotation Cell / Flotation Machine $1,000.00 $9,999.00/ Set 1.0 Sets Min. Order 8 YRS CN Supplier Packed well Contactpare 1 / 6 High recovery rate froth flotation cell for lead and zinc ore flotation plant Up to 5 years warranty $4,660.00 $15,000.00/ Set 1 Set Min. Order 13 YRS CN

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flotation and dewatering of nickel - caplife

The mixing flotation process is to separate nickel ore in which copper has lower content than Nickel, the mixed concentrate of copper and nickel will smelt into high grade nickel directly Mixingpreferably Flotation Process Copper nickel can be get from raw ore, then the copper concentrate with low grade nickel and the nickel concentrate.

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BENEFICIATION OF COPPER Et NICKEL ORES

BENEFICIATION OF COPPER Et NICKEL ORES COPPER ores in India are of low grade like any other deposits elsewhere in the other parts of the world. Chalcopyrite is the most ... The copper minerals are concentrated by flotation process usually employing xanthates as collectors and pine oil as frother. Most of the deposits are of complex

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Separation of Copper-Nickel by Flotation and Magnetic Methods

The separation of copper and nickel is achieved by differential flotation, if the mineral grains can be liberated by grinding. Normal practice is to depress the nickel sulfides by increasing the pH of the flotation pulp to between 9 and 11 and selectively floating the copper minerals.

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Enhanced methods for nickel recovery from low-grade ores and bleed streams

Another method of copper and nickel powder production, reported in 2008 by A. Agrawal et al., uses hydrogen reduction. ... Application of three xanthates collectors on the recovery of nickel and pentlandite in a low-grade nickel sulfide ore using optimum flotation parameters. Particulate Science and Technology, 35(4), pp.462-471.

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A Review of the Flotation of Copper Minerals - ResearchGate

The recovery of these copper minerals by flotation or hydrometallurgy from ores, typically containing 0.5%TCu (open pit mines) and 1-2%TCu (underground mines) is of great commercial importance ...

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Consulting - ALTA Metallurgical Services

Radio Hill Nickel/Copper Flotation and Isasmelt Plant - Resolute Resources - WA - Australia - Due diligence and consulting services for recommissioning of a flotation operation (1994-95) Normandy Cobalt Tailings Project - NT - Australia - Normandy Group - Preparation of desktop study for treatment options for cobalt & gold recovery (1998)

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Flotation Reagents by Ore | Solvay

Advanced Solutions for Mineral Processing. Used extensively for the flotation of sulfide minerals, Solvay's flotation mining reagents are well-suited for the recovery of precious and base metals, such as gold, silver, platinum group metals, nickel, cobalt, lithium, molybdenum, phosphate, polymetallics, and copper.

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The Critical Role of Pulp Density on Flotation Separation of Nickel ...

In nickel-copper sulfide ore processing, serpentine is a common gangue mineral encountered in complex sulfide ores and can easily cause entrainment during flotation [].Large amounts of serpentine in the flotation concentrate reduces the effectiveness of smelting, often resulting in the imposition of smelter penalties on mineral processing companies [].

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Nickel Ore Crusher Beneficiation Plant India,Nickel Flotation Machine

Nickel Flotation Machine. Our Nickel flotation machine is applicable for separating non-ferrous metal, black metal, noble metal, non-metal mineral, raw body and materials of chemical industry, which are subject to coarse separation, swept separation, fine separation and floatation, so the useful ore are reclaimed.SF Flotation Machine are widely applied in the copper,the lead,the zinc,then ...

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b Is the roughers scavengers copper roughers part of the flotation ...

5 . A simplified flowsheet for a flotation process on a copper - nickel ore is shown below ( p.7 ) . This process would produce two valuable concentrates, one containing primarily chalcopyrite and the other containing primarily pentlandite, i.e. ( Ni, Fe ) 9 S 8 ( the sum of Fe + Ni is 9 moles per 8 moles sulfur ) .

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Some factors that affect beneficiation of sulphide nickel-copper ores ...

Process water is also found to be an important variable in beneficiation of nickel ores ( Schreithofer et al., 2000 ). It usually contains calcium and sulphur with its compounds that take part in the surface reactions. In this article some characteristics of the flotation of nickel ores are considered. 2.

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(PDF) Examination of flotation reagents suitable for nickel ...

An activator (copper sulphate) was found to improve the grade of copper, nickel and iron meaning it activated pentlandite. The ions improved the flotability of sulfides at the normal process pH after grinding in steel mill. Keywords: collector, flotation, magnetic separation, depressants, dosing optimization, frother. 1.

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Nickel Ore Processing | Copper-Nickel Sulphide & Nickel Oxide

The main beneficiation process of copper-nickel sulfide ore is flotation, and gravity separation and magnetic separation are usually used as auxiliary beneficiation methods. According to the different properties of copper-nickel ore components, the flotation method can be roughly divided into the following four processes:

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8 Features of Nickel-Copper-PGE/PGM Ore Types - Flowsheets

The typical nickel-copper-PGE/PGM ore type has an igneous origin, and hosts the nickel and copper generally as pentlandite (Fe,Ni) 9 S 8 and chalcopyrite CuFeS₂, often accompanied by varying amounts of pyrrhotite Fe 1-x S (where 0 < x <0.2). The pyrrhotite could occur in any of three forms: monoclinic (common); hexagonal, or troilite (rare).

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Nickel Ore Mining Process | Equipment | Flow | Cases - JXSC

Copper- Nickel Ore Flotation Process: A basic principle of copper sulfide nickel ore process is that it is better to let the coppers assimilate into the nickel ore. Because it is easier to recovery cooper from the nickel concentrate. The process has the best advantage-get the copper concentrate that has a low nickel rate directly. Contact Us

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The Critical Role of Pulp Density on Flotation Separation of Nickel ...

Nickel and Copper Flotation. T en flotation tests were conducted using mixtures of both nickel-copper sulfide ore and serpentine. as a function of SHMP. The results are presented in Figure 5.

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Minnesota Copper-nickel Resource Processing Model

Bulk flotation of a combined copper-nickel sulfide concenterate is the benefi­ ciation method used in the models. Reagent consumptions are estimated. to be approximately 0.1 lb/mt crude of both xanthate collector and alcohol frother. Fresh water (other than potable) requirements are estimated at 160 gal/mt crude ore. Differential flotation of ...

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Investigation of the Flotation Performance of Nickel Sulphide by High ...

Data from full-scale operations backed up these results.INTRODUCTIONThe flotation recovery of nickel-copper sulphide ore at the Western China nickel mine has historically been difficult due to the presence of large amounts of serpentine minerals (Feng, et al., 2012). Many studies reported that serpentine minerals tend to have a positive ...

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Copper, Molybdenum, Nickel and Zinc Processing | Ecolab

Copper, Nickel and Zinc DELIVERING A BROAD RANGE OF COPPER AND MOLYBDENUM PROCESSING SOLUTIONS. From maximizing recovery to improving ore grade, your copper processing operation has unique needs that depend on a balanced and precise process. ... From copper flotation to material handling, we strive to continuously develop innovative ...

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Copper Flotation - Mineral Processing & Metallurgy

The flotation of native copper ores is nearly always preceded by gravity concentration in jigs and tables not only because the combined process is more economical as regards costs, but also because the copper often occurs as large grains which flatten out during grinding and cannot be broken to a size small enough for flotation.

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NewRange Copper Nickel

The NorthMet mineral deposit will be mined by conventional open pit methods to a depth of approximately 700 feet below surface with ores processed using traditional crushing, grinding, mineral separation and flotation techniques to produce copper- and nickel-copper concentrates with important concentrations of cobalt, platinum, and palladium.

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Development of Copper/Nickel Separation at INCO

Flash flotation has increased overall nickel and associated precious group metal recoveries. Recovery of both fine and coarse particles has been improved through an understanding of flotation cell hydrodynamics. The separation of copper from nickel in such ores has seen a similar level of development.

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Some Aspects of the Flotation of Sulfide Nickel-Copper Ores - AusIMM

Flotation is affected by several factors, part of which depends on the mineralogical characteristics of the ore and part on process variables. Sulfide Ni-Cu ores occur typically in mafic and ultramafic igneous rocks. Serpentine minerals are also common. As a consequence of metamorphosis, sulfides and secondary minerals may be finely disseminated in an altered ore matrix. The floatability of ...

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Smelting of Nickel-Copper and Nickel Sulfide - BaoJi Yuan Da Metal Co., Ltd

Copper-nickel ore flotation has the following four basic processes. 1) Direct priority flotation or partial priority flotation process: When the copper content in ore is much higher than that in nickel, this process can be used to separate copper into a separate concentrate. The advantage of this process is that the copper concentrate with ...

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Lime use and functionality in sulphide mineral flotation: A review

At Silver Queen mine (Canada) a combined lime-starch-SO 2 conditioning scheme is used for copper flotation from the Pb/Zn sulphides (Bulatovic, 2007b). In the process, lime (1200 g/t) and starch (200 g/t) are used first, ... Nickel-copper sulphide ores can differ significantly in the mineralogy of both the sulphide and the gangue minerals ...

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4 Copper-Nickel Flotation Beneficiation Process Flows - Xinhai

Jul 29, 2022When analyzing copper-nickel ore, if the copper content in the ore is much higher than that of nickel, the direct or partial preferential flotation process can be used. After crushing, screening, grinding and classification, the raw ore enters the flotation machine for preferential flotation. After flotation, copper concentrate can be obtained.

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Use of Ozone in the Differential Flotation of Bulk Copper-Nickel ...

Differential flotation of bulk sulfide concentrates from Duluth gabbro into copper and nickel concentrates could be implemented by first destroying the hydrophobic coating with ozone and then by recovering the copper concentrate with a copper-selective collector. A number of parameters involved in the use of ozone, such as the sequence and the conditioning time of ozone treatment, the pulp pH ...

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A Comparative Study of Kinetics of Flotation of a Copper-Nickel Ore by ...

A Comparative Study of Kinetics of Flotation of a Copper-Nickel Ore by ... time t It is generally accepted that froth flotation follows first order kinetics, and n is equal to 1. The rate expression therefore becomes -- dC = kC (2) dt This may be integrated over the limits c, — f dC = k dt (3) co o In — = kt C, Eq.4 can be written as:

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Nickel Ore processing - Yantai Jinpeng Mining equipment, ore dressing ...

Nickel ore divides into copper sulfide and copper oxide ore, the main process for copper sulfide is flotation, magnetic and gravity separation is the subsidiary process .It is a high technological enterprise that integrated research, manufacture, sales and service . The company has multiple subsidiaries such as Mineral Processing Research Institute...

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(PDF) The Effect of Hydrodynamic Conditions on the Selective Flotation ...

The maximum copper and nickel recoveries in the 7 cm impeller tests were observed at 93.1% and 72.5%, respectively. However, a significant decrease in the flotation rate of nickel was observed, due to entrainment of nickel in copper concentrate and the slime coating of gangue minerals on the nickel particle surfaces.

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