nickel sulphide flotation from serpentine

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Copper-Nickel ores - Danafloat - Home

Copper-Nickel ores Pentlandite ((Ni,Fe)S) is the most important nickel sulphide mineral and is often associated with nickel-containing pyrrhotite and chalcopyrite Gangue minerals can include talc and other troublesome silicates which must be dispersed and/or depressed...

NICKEL AND COBALT ORES: FLOTATION

NICKEL AND COBALT ORES: FLOTATION G V Rao, Regional Research Laboratory, Council of Scientific and Industrial Research, Bhubaneswar, India , Table 1 Principal nickel and nickeliferous minerals in nickel sulfide deposits Formula Nickel content (%) Nickel minerals Primary Pentlandite (Ni,Fe)9S8 25}41 Millerite NiS 65...

Beneficiation of low-grade weathered nickel sulfide ore ,

from a low-grade (~03% Ni) nickel sulfide ore as an alternative row material for metallurgical us Processing nickel sulfide minerals by flotation always presents the challenge of obtaining appropriate selectivity between nickel sulfide and other sulfides, such as pyrrhotite, pyrite, and chalcopyrite Other...

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...

flotation of ni sulphides - drive-alongnl

nickel sulphide flotation from serpentine - csdpmapeu The flotation characteristics of a nickel sulphide transition ore are investigated by laboratory tests with regard to two aspects, the recovery of magnesia bearing gangue, and the depression of the nickel sulphides by gaugue slime coatings...

nickel ore processing primary cu ni flotation

Nickel Ore Processing Nickel ore mainly consists of copper-nickel sulfide ore and nickel oxide ore, beneficiation and processing of both methods is completely different Copper-nickel sulfide ore beneficiation methods, the most important is the flotation, magnetic and re-election is usually secondary dressing method [More Information]...

Nickel: smelting, producing-Metalpedia

In hydrometallurgical processes, nickel sulfide ores undergo flotation (differential flotation if Ni/Fe ratio is too low) and then smelted After producing the nickel matte, further processing is done via the Sherritt-Gordon process First, copper is removed by adding hydrogen sulfide, leaving a concentrate of only cobalt and nickel Then ....

FROTH FLOTATION : RECENT TRENDS Flotation of Sulphide ,

History of Sulphide ore flotation dates back to beginning of 20th century Sulphide ores are major sources of base metals like Copper, Lead, Zinc, Nickel, Cobalt etc Beneficiation of these base metal sulphide minerals is predominating through froth flotation technique This technology has acclaimed importance as a versatile process for...

crushing grinding and flotation of nickel - deniseohlsoncoza

Nickel Sulphide Flotation From Serpentine crushing,grinding and flotation of nickel >Mine process and mining equipment » Learn More The effect of quartz on the flotation of pyrite depressed by , crushing grinding and flotation of nickel...

Nickel Sulfide Flotation - wwprojekteu

Nickel Sulphide Flotation From Serpentine Nickel Sulphide Flotation From Serpentine crushing,grinding and flotation of nickel >Mine process and mining equipment » Learn More The effect of quartz on the flotation of pyrite depressed by Get Price And Support Online Flotation Plant - ,...

(PDF) Flotation of chromite and serpentine - ResearchGate

Flotation of chromite and serpentine , into tailing during traditional coarse-particle sulfide flotation However, it could become much more complicated and challenging problems for the low ....

Flotation of Nickel and Nickel–Copper Ores - kundoc

Bulk sulfide flotation of nickel ore The nickel ores without the presence of copper are mainly concentrated in Australia and to a lesser degree in North America Some of these ores contain a substantial amount of hydrophobic gangue (talc), magnesium-bearing minerals some of which contain a fairly large amount of soluble ions (Mt Keith, Australia)...

Major Mines & Projects | Nunavik Nickel Mine

Nunavik Nickel Open Pit / Underground Mine is located 70 km SW from Kangiqsujuaq, Quebec, Canada , The flotation circuit separates the grinding circuit discharge into the two sulphide concentrate streams and a main tailings stream The slurry is first fed to the bulk circuit where the fast floating copper is recovered by the rougher and sent ....

Major Mines & Projects | Dumont Project

The proposed process encompasses crushing and grinding of the run-of-mine (ROM) ore, desliming via hydrocyclone circuit, slimes rougher flotation, slimes cleaner flotation, nickel sulphide rougher flotation, nickel sulphide cleaning flotation, magnetic recovery of sulphide rougher and cleaner tailings, regrinding of magnetic concentrate and an ....

Flotation Research of Three Polymorph of Serpentine Minerals

It is known that serpentine slimes coating on the sulphide surfaces are responsible for the poor metallurgy Antigorite, lizardite and chrysotile are three kind of important polymorph of serpentine minerals The three serpentine minerals usually accompany with Sulfide minerals, having ions with equal activities or similar properties on the surface, which makes the flotation separation difficult...

serpentine flotation concentrate - defamiliethielsbe

Serpentine is a magnesium-rich phyllosilicate mineral occurring in complex sulphide ores In nickel sulfide ore processing, serpentine may report to flotation concentrate through attachment to the valuable minerals as “slime coatings” price...

TABLE OF CONTENT - British Columbia

Resources serpentine, relative to other serpentines, appears to be the high proportion of nickel occurring as sulfide, mainly pentlandite Thus, 50 - 77% of the total nickel content, of about 022%, has been found to be present as sulfide, the remainder being present as silicate...

Effect of feed preparation on copper activation in ,

sulphate exhibited on flotation performance This study also demonstrates the importance in considering plant pulp chemistry during research development in a laboratory Keywords: Pentlandite, Serpentine, Copper activation, Froth stability Introduction Flotation in the Mt Keith nickel plant in Western Australia has been well documented (Clark ....

Nickel Ore Dispersion Evaluation and Consequences in ,

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 08 pct nickel and 145 pct MgO A positive linear correlation between MgO and Ni was found...

Nickel - British Geological Survey

immiscible sulphide phase will form which strips nickel from the residual magma This relatively dense phase may be concentrated on footwall contacts and in basal sections of the igneous body as well as in feeder conduits Mineralisation occurs as nickel, cobalt and copper sulphides, possibly with associated platinum-group minerals...

A novel method to limit the detrimental effect of ,

A novel method to limit the detrimental effect of serpentine on the flotation of pentlandite is described in this paper Flotation results show that the presence of hydrophilic serpentine slimes results in lower recoveries of the valuable pentlandite while quartz particles do not interfere with the flotation of ,...

The effect of a novel depressant on the separation of talc ,

Keywords: Sodium alginate, talc, copper –nickel sulfide, polysaccharide depressant, flotation 1 Introduction Talc is a layered hydrous magnesium silicate in which the layers are held together by van der Waals bonds During grinding, two different surfaces are formed Basal cleavage planes are formed by rupture of van der Waals bonds...

The Critical Role of Pulp Density on Flotation Separation ,

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 []...

The separation of pentlandite from chalcopyrite ,

The separation of pentlandite from chalcopyrite, pyrrhotite and gangue in nickel projects throughout the world V Lawson, G Hill, L Kormos, G Marrs , • Pentlandite flotation • Pyrrhotite flotation and its rejection , • Pentlandite is a well floating sulphide that can be fl ,...

Optimisation of Reagent Addition during Flotation of a ,

Optimisation of Reagent Addition during Flotation of a Nickel Sulphide ore at the Nkomati Mine Concentrator Prepared by: Riyard Kahn (783709) Supervised by: Prof Vusumuzi Sibanda 28 January 2017 A dissertation submitted to the faculty of Engineering and the Built Environment, University...

The Serpentine-Related Nickel Sulfide Occurrences from ,

as representing the nickel sulfide minerals The Ni-Co mineralization is interpreted to have relation-ships with serpentine and mainly epigenetic nickel-sulphide type Due to serpentinization of olivine, the nickel in the olivine was released and nickel bearing sulfides were ,...

The effect of using pure thiol collectors on the froth ,

-DTP in the froth flotation of pentlandite containing ore INTRODUCTION Nickel sulphide mineral ores amounts to more than fifty percent of all commercial nickel (Senior et al, 1995) There is a growing demand for nickel and it is projected that the current nickel sulphide reserves may be depleted by 2030 (Tundermann et al, 1996)...

acidic medium flotation separation of chromite from ,

Acidic medium flotation separation of chromite from olivine and serpentine the sulphide nickel the sulphide nickel is recovered in the flotation Details; serpentine mining property in canada Serpentine: The mineral Serpentine Detailed description, properties, locality information guide about the serpentine mineral group, including ....

The Separation of Pentlandite from , - onemineorg

Sep 01, 2014· Other magnesium silicates such as serpentine carry nickel in solid solution, limiting the recovery entitlement of nickel by flotation because serpentine is not amenable to sulfide flotation mechanisms Differences in plant flow sheets and reagent assemblages are required to effectively separate these mineralsExperience from a variety of plant ....

v115n8a4 Effects on entrainment of serpentines by ,

Effects on entrainment of serpentines by hydrophobic flocs of ultra-fine copper-nickel sulphides during flotation metallic values during flotation may have an important influence on the entrainment of serpentine Although the mechanism of serpentine entrainment into sulphide concentrates during coarse particle flotation by slime...