nickel sulphide flotation from serpentine

Increasing Efficiency of Pechenga Rebellious Copper-Nickel ...

Oct 08, 2019· 1. Gorbunov, G.I., Geologiya i geneziz sul'fidnykh medno-nikelevykh mestorozhdenii Pechengi (Geology and Genesis of Pechenga Sulfide Copper-Nickel Ore Deposits), Moscow: Nedra, 1968. Google Scholar . 2. Yakovlev, Yu.N., Mineralogiya sul'fidnykh medno-nikelevykh mestorozhdenii kol'skogo poluostrova (Mineralogy of Sulfide Copper-Nickel Deposits in Kola peninsula), Leningrad: …

Zeta Potential Study of Pentlandite in The Presence of ...

Zeta potential study of pentlandite in the presence of serpentine and dissolved mineral species - Read online for free. Scribd is the world's largest social reading and publishing site. Open navigation menu

Effect of pulp rheology on flotation of nickel sulphide ...

(2012). Effect of pulp rheology on flotation of nickel sulphide ore with fibrous gangue particles. Canadian Metallurgical Quarterly: Vol. 51, No. 4, pp. 368-375.

Teck's CESL Nickel Process: Advancing Towards a Commercial ...

3 Nickel Sulphide Resources1 Nickel resources are typically classified as sulphides or laterites. Approximately 73% of the world's nickel resources are estimated to be contained in laterites while 27% are as classified as sulphide. Currently, some 37% of the world's nickel supply is derived from sulphide resources and almost all

Geometallurgical Modeling of the Dumont Deposit

flotation, nickel sulphide rougher flotation, nickel sulphide cleaning flotation, magnetic recovery of ... mostly Mg-Serpentine and very little Fe-Serpentine. This information was entered in the block model and the Bwi and Axb are estimated in mill feed in the feasibility model.

The effect of quartz on the flotation of pyrite depressed ...

a nickel sulphide rich matter. Paper presented in theform ofan abstract as part proceedings Pan American Materials Conference, São Paulo, Brazil, July 21st to 25th 2014. ∗ Corresponding author. E-mail: [email protected] (B. Feng). Serpentine isthemainmagnesium-richphyllosilicatemin-eral in Jinchuan nickel sulphide ore. Due to its low hardness,

Unlocking Disseminated Nickel Sulphides using the CESL ...

the nickel from disseminated sulphides and provide a reliable means of nickel production for future projects. 4 CESL Nickel Process The CESL Nickel Process offers a method of unlocking the nickel from disseminated nickel sulphide ore bodies. It is capable of treating lower grade nickel concentrates and those with a high content of magnesia.

|, …

Abstract: The optimization effect of carboxymethyl cellulose(CMC) in the acid flotation of vulcanized copper-nickel was studied in order to eliminate the oxide film on the surface of Copper-Nickel sulfide ore and inhibit the influence of magnesium-containing mineral, such as serpentine. And the mechanism of CMC's action was discussed. The results show that the floatability of copper-nickel ...

Dr Xumeng Chen - UQ Researchers

Selective flotation of ultrafine nickel sulphide from serpentine in saline water by pluronic triblock copolymer. Peng, Y., Liu, D. and Chen, X. (2012). Selective flotation of ultrafine nickel sulphide from serpentine in saline water by pluronic triblock copolymer.

Selectve agglomeration of magnetite in entlandite ...

Abstract: In nickel sulfide processing, magnesium silicates (serpentines) can easily form slime coatings or hetero-aggregation on pentlandite surfaces, and hence decrease the pentlandite flotation rate and recovery. In this work, magnetic separation of pentlandite from serpentine using selective magnetic

Nickel froth floatation - Froth Flotation (Sulphide ...

Froth Flotation (Sulphide & Oxide) ... A flotation testing program on nickel ore with an important degree of oxidation should evaluate the effect of sulphidization. The typical reagent is NaHS. ... Other factor to consider is the presence of gangue minerals such talc or serpentine because they can create some problems during the rougher ...

Some factors that affect beneficiation of sulphide nickel ...

In the flotation process of serpentine-containing copper-nickel sulfide ore, serpentine slime coatings significantly reduced the flotation performance of copper-nickel sulfide.

Optimisation of Reagent Addition during Flotation of a ...

addition on flotation performance of a nickel sulphide ore. The objectives of the study were to: 1. develop an understanding of the effects of collector and depressant dosage, and its interactive effects, on flotation performance and 2. determine the effect of stage dosing collector and …

MgO Depression in Ci-Ni Flotation - Froth Flotation ...

Froth Flotation (Sulphide & Oxide) ... Talc or other mineral such as serpentine of course makes a huge difference to the adopted strategy. Guar gum of course is well known talc depressant. ... I think that you need a number of strategies to successfully remove talc from nickel and copper sulphide concentrates, since 22-24% MgO is a lot of talc.

Nickel processing - Extraction and refining | Britannica

Nickel processing - Nickel processing - Extraction and refining: The extraction of nickel from ore follows much the same route as copper, and indeed, in a number of cases, similar processes and equipment are used. The major differences in equipment are the use of higher-temperature refractories and the increased cooling required to accommodate the higher operating temperatures in nickel ...

Some factors that affect beneficiation of sulphide nickel ...

References As a consequence, only 25 g/t ethyl xanthate was needed to ﬂoat the sulphides thoroughly. The eﬀect of the ions was Agar, G.E., 1991. Flotation of chalcopyrite, pentlandite pyrrhotite ores. then diﬀerent, and mainly depressing. The ions depressed In: …

Mineral carbonation for serpentine mitigation in nickel ...

Carbonation converts serpentine, the primary gangue or undesirable mineral, to magnesite. It prevents slime coating of fine gangue minerals on pentlandite, the main nickel-bearing mineral, during froth flotation, and improves nickel recovery and concentrate grade.

Flotation and its mechanism of fine serpentine--《The ...

The effects of pH value,particle size,pulp concentration,variety and dosage of frother on the floatability of fine serpentine in Jinchuan copper-nickel sulphide were investigated by flotation tests and measurement of contact angle,zeta-potential and water recovery rate,the flotation mechanism of the fine serpentine was analyzed.The results show that the serpentine is a kind of natural ...

Flotation Behavior of Jinchuan High Grade Copper-Nickel ...

The useful minerals of Jinchuan high-grade copper and nickel suphfide ores were mainly nickel and copper, whose grade were respectively 1.42% and 1.01%. The content of MgO and SiO2, main gangue components, reached 57.89%. The key to improve the separation indexes of flotation concentrate was to inhibit the gangue minerals effectively, therefore, the effects of different kinds of regulators on ...

Minerals | Free Full-Text | Separation of Oxidized ...

The valuable minerals in copper-nickel sulfide ore can easily be oxidized, leading to the reduction of their flotation recovery and a difficulty in separating them from gangue. In order to solve the problem, the reaction mechanism of the octanohydroxamic acid (OHA) on oxidized pyrrhotite was revealed through micro-flotation, adsorption tests, zeta potential measurements, and X-ray ...

Effect of oxygen and micro-cracking on the flotation of ...

This study investigated the effect of oxygen and micro-cracking on the flotation of low grade nickel sulphide ore. The ore treated contained serpentine minerals which have a history of being difficult to process efficiently. The use of oxygen as a bubbling gas has been noted to be effective because it increases the pulp potential.

separation of copper sulphide and nickel sulphide

Aug 06, 2020· In nickel copper sulfide ore processing, serpentine is a common gangue mineral encountered in complex sulfide ores and can easily cause entrainment during flotation . Live Chat. the final grade above 25 nickel flotation separator.

Nickel Ore Dispersion Evaluation and Consequences in ...

Jan 06, 2016· Nickel ore dispersion before flotation using different reagents was investigated on a bench scale to improve metallurgical recovery and selectivity. The nickel ore had a content of 0.8 pct nickel and 14.5 pct MgO. A positive linear correlation between MgO and Ni was found. Carboxy methyl cellulose, both pure and combined with Na2CO3, was the best dispersant used. The most efficient …

Talc–serpentine interactions and implications for talc ...

May 01, 2012· Abstract. The interactions of serpentine with talc and implications for talc depression by carboxymethyl cellulose (CMC) have been investigated through flotation tests, sedimentation tests and zeta potential measurements. Talc is a hydrophobic mineral and CMC is effective for talc depression. At pH value 9, where flotation of nickel sulfide ...

(PDF) Selective flotation of ultrafine nickel sulphide ...

PDF | On Sep 24, 2012, Peng and others published Selective flotation of ultrafine nickel sulphide from serpentine in saline water by pluronic triblock copolymer | Find, read and cite all the ...

nickel sulfide flotation - fpengineering.co.za

Nickel Sulphide Flotation From Serpentine Grinding . flotation of nickel minerals. Whilst it is recognised that collectors other than xanthates are used in sulphide nickel flotation ... large amounts of serpentine ... Inquire Now; Froth Flotation of Ultramafic Nickel Ore No Pre ... Click to view on Bing1:11. Froth Flotation of Ultramafic Nickel ...

The Effect of Sodium Alginate on Chlorite and Serpentine ...

Chlorite and serpentine are common magnesium-containing gangue minerals in copper sulfide flotation. In this study, sodium alginate, a natural hydrophilic polysaccharide, was introduced as a selective depressant for these gangue minerals. Micro-flotation tests were conducted on both single minerals and synthetic mixtures. The flotation results showed that sodium alginate could …

Peng, Yongjun - University of Queensland - School of ...

Transactions of the Institutions of Mining and Metallurgy, Section C: Mineral Processing and Extractive Metallurgy 121, 131-139. Peng, Y. Liu, D. and Chen, X., 2012. Selective flotation of ultrafine nickel sulphide from serpentine in saline water by pluronic triblock copolymers.

MINERAL TESTS CONFIRM ECONOMICAL GRADE NICKEL SULPHIDE …

Sep 21, 2020· The mineral studies determined the predominant Ni-sulphide mineral to be pentlandite ([Fe,Ni]9S8) with very minor millerite (NiS) and violarite (Fe2+Ni3+2S4). Silicate minerals, iron oxides and chromite contain relatively low nickel concentrations. The main silicates minerals include serpentine, pyroxenes, amphibole and chlorite.

Studies on the selective flotation of pyrite from fine ...

May 01, 2021· 1. Introduction. Serpentine (Mg 3 Si 2 O 5 (OH) 4), as a magnesium-rich phyllosilicate mineral, often associates with complex sulfide ores as a gangue component.Flotation is a commonly used method for separating these sulfide minerals and serpentine (Pan et al., 2019).In sulfide ores processing, serpentine breaks easily due to its low hardness, and this size decrease causes fines or …

-The flotaiton experiment …

Aug 06, 2015· The role of sodium hexametaphosphate and carboxymethyl cellulose in the copper sulfide nickel ore flotation was analyzed, the results show that sodium hexametaphosphate can disperse the serpentine and sulfide minerals, reduce the adverse effect of serpentine mineral on sulfide mineral flotation, and carboxymethyl cellulose can depress the ...

Specialist expertise for flowsheet development of nickel ...

The serpentinisation process is that it draws part of the nickel into solid solution in the serpentine, rendering that part of the nickel unrecoverable by flotation. Depending on the degree of serpentinisation, this loss has been seen in the range 5-40% (Peyerl, 1983).

FLOTATION BEHAVIOR OF NICKEL SULFIDE ORE IN A …

Flotation behavior of nickel sulfide ore in a cyclonic flotation column 775 In the flotation system, the density of mineralized bubbles (ρm) is much smaller than that of the fluid (ρ), and generally speaking, the density of particles (ρp) that cannot adhere to bubbles is much higher than that of the fluid (ρ).

Effect of Oxygen and Micro-Cracking on the Flotation of ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract—This study investigated the effect of oxygen and micro-cracking on the flotation of low grade nickel sulphide ore. The ore treated contained serpentine minerals which have a history of being difficult to process efficiently. The use of oxygen as a bubbling gas has been noted to be effective because it ...

Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...

the flotation recovery of Ni, Cu and Co from a nickel-copper sulphide ore. The effect on flotation performance of various parameters such as pH, collector dosage, % solids and depressant dosage at different levels was investigated. Therefore, the main objective of the study was to optimize the process parameters for the flotation of base metals ...

nickel sulphide flotation from serpentine

If you have any questions, please feel free to contact us.

Important Links

Latest Products

Subscribe Us