Abstractthis study investigated the effect of oxygen and microcracking 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
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Flotation plant is widely used in various fields of ore dressing industry. For example, the separating of gold ore, silver, galena, sphalerite, chalcopyrite, chalcocite, molybdenite, pyrite, nickel sulfide mineral, malachite, cerussite, smithsonite, he
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Calcium carbonate is the main raw material to make cement, lime and calcium carbide, and it is an indispensable flux limestone in metallurgical industry.
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The feldspar grinding process is the most important of the mill production line, so we must pay attention to the choice of the equipment.
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The 200t/h granite crushing plant in Russia uses HPT220 hydraulic cone crusher as the core crushing equipment
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Effect of a novel phosphate on the flotation of serpentine In the flotation process of serpentinecontaining coppernickel sulfide ore serpentine slime coatings significantly reduced the flotation performance of coppernickel sulfide Sodium phytate is a highly effective dispersant for MgO control in the flotation of coppernickel ore
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nickel sulphide flotation from serpentine The aim of this paper was to investigate flotation of quartz and serpentinite in the presence of biosurfactants and nickel ions as an activator 2 Materials and methods 21 Microorganisms and biosurfactant production Bacteria were
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The flotation of nick el sulphide minerals is normally difficult in the presence of serpentine minerals due to the coating of serpentine particles on the nick el m ineral surface T o improve the
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In the flotation process of serpentinecontaining coppernickel sulfide ore serpentine slime coatings significantly reduced the flotation performance of coppernickel sulfide Sodium phytate is a highly effective dispersant for MgO control in the flotation of coppernickel ore
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A nickelcopper sulfide system usually coexists with serpentine in deposits Low nickelcopper recovery and high content of serpentine in concentration adversely affects subsequent metallurgical
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Slime coating is one of the most common ways for serpentines to contaminate metallic mineral concentrates during traditional flotation of coarse sulphide particles This could pose quite a complicated and challenging problem in the case of some types of lowgrade and finely disseminated CuNi ores bearing high serpentine contents
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result in nickel losses into the tailings This problem can be overcome by using depressants like carboxymethylcellulose CMC and guargum derivatives although their cost accounts for as much as 60 of the reagent cost incurred in the plant Developments in Flotation Flotation of Nickel Sulde Minerals
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Smelting and refining of massive sulphides begins with the flotation of ore typically in the range of 022 nickel to an acceptable concentrate grade of 10 to 20 nickel Concentrate smelting produces a high grade nickel matte which is then refined hydrometallurgically
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nickel sulphide flotation from serpentine In nickelcopper 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 2
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In nickelcopper 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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Introduction As a typically magnesium phyllosilicate mineral serpentine commonly appears in many base metal sulfide ores such as nickel sulfide In sulfide flotation eg pyrite and pentlandite serpentine often reports to concentrate causing smelting problems Cao et al 2016 Cao et al 2017 Chen et al 2017 Liu et al 2018a Zhou
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CiteSeerX Document Details Isaac Councill Lee Giles Pradeep Teregowda AbstractThis study investigated the effect of oxygen and microcracking 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
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contaminate metallic mineral concentrates during traditional flotation of coarse sulphide particles This could pose quite a complicated and challenging problem in the case of some types of lowgrade and finely disseminated CuNi ores bearing high serpentine contents This is the case for the copper and nickel sulphides from the Yunnan Mine China
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the flotation recovery of Ni Cu and Co from a nickelcopper 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
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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 2224 MgO is a lot of talc
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Nickel Ore Processing Nickel ore mainly consists of coppernickel sulfide ore and nickel oxide ore beneficiation and processing of both methods is completely different Coppernickel sulfide ore beneficiation methods the most important is the flotation magnetic and reelection is usually secondary dressing method
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Results of research into lowgrade rebellious coppernickel ore are presented The mineralogical analysis reveals features of material composition which affect processing properties of the orefine primary dissemination essential serpentinization and substitution of insets by magnetite as well as considerable fine difficulttodissociate epigenetic impregnation
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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 highertemperature refractories and the increased cooling required to accommodate the higher operating temperatures in nickel
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Abstract In nickel sulfide processing magnesium silicates serpentines can easily form slime coatings or heteroaggregation on pentlandite surfaces and hence decrease the pentlandite flotation rate and recovery In this work magnetic separation of pentlandite from serpentine using selective magnetic
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Serpentine is a magnesiumrich 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 As a kind of magnesium silicate gangue mineral large quantities of serpentine in flotation concentrates
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A lowgrade disseminated nickel sulphide serpentinite ore from WA had a relatively high permeability after drying Various techniques indicated that the permeability resided within a fine network of fibrous vein lets and especially within coarse cracks along which the sulphides lay The ore minerals were therefore open to selective extraction by chemical leaching
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