copper nickel bulk flotation

  • Copper Nickel Flotation

    2017-6-15 · Copper Nickel Pilot Plant Flotation Pilot plant flotation tests for both the pit sample and the shaft sample were done in the Bureau’s TCRC flotation process demonstration plant. Both samples were tested using flotation circuits that consisted of a rougher float followed by three cleaner floats, plus a scavenger float

  • 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.

  • Flotation of Nickel-Copper Sulphide Ore: Optimisation of

    2020-1-8 · All the flotation test-work was done using the Denver laboratory machine with a 1.5l stainless steel flotation cell. The required mass of nickel-copper sulphide ore material ground to 70% passing 75 µm was weighed and placed in the flotation cell. This was followed by the addition of distilled water to about

  • NICKEL AND COBALT ORES: FLOTATION

    2016-6-7 · A typical example of a nickel sulRde plant operat-ing with highly Soatable talcose gangue is at Trojan mineinZimbabwe.TheZimbabweansulRdedeposits contain very low grades of nickel (0.6%) and copper (0.04}0.4%). The easily Soatable non-sulRde min-erals dilute the grade of the concentrate and also result in nickel losses into the tailings. This problem

  • Handbook of Flotation Reagents MESA

    16.4 Reagent Practices in Flotation of Nickel and Copper-Nickel Ores .. 404 16.4.1 Bulk sulfide flotation of nickel ore .. 405 16.4.2 Flotation of copper-nickel ores .. 410 16.4.3 Sequential flotation of copper-nickel ores .. 420

  • Development of a Combined Flotation and High Pressure

    2017-5-26 · Flotation behavior of copper and nickel from mine tailing was investigated un- der varying concentrations of PAX ranging from 0 g/t to 200 g/t when other flo- tation parameters were fixed at 200 g/t of MIBC concentration, 50 g/t of pulp density, slurry pH of 5400 rpm of stirring speed and 6 minutes flotation time.

  • Metallurgical Processing of PolyMet's NorthMet Deposit

    2015-12-16 · NorthMet including bulk flotation of the . copper, nickel and associated base and precious metals and hydrometallurgical treatment of the bulk concentrate. The NorthMet deposit is situated . approximately 7 miles from the former LTV Steel Mining Company (LTV) taconite iron ore processing facility which prior to its closure due to bankruptcy in

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

    2019-1-21 · for flotation separation of copper/nickel minerals, respectively. The Cu/Ni bulk flotation used 1kg ore to obtain a Cu/Ni bulk concentrates. After wet grinding, the desired amounts of reagents were added to the slurry while agitating at about 1900 rpm andthe slurry was conditioned for 6 min. During the batch flotation tests, the room

  • 某富含蛇纹石的低品位难选铜镍矿选矿工艺研究-Beneficiation

    The results showed that good separation indexes had been achieved by the flotation process of pre-removal of gangue- Cu/Ni bulk flotation,for the ROM assaying Ni 0.51%, Cu 0.20%, and Co 0.02%, bulk concentrate assaying Ni 7.78%, Cu 2.91%, Co 0.24%,at

  • The effect of a new polysaccharide on the depression

    2015-6-1 · KGM used as a commercial depressant for the flotation separation of nickel–copper minerals from Ni/Cu sulfide ores has not been reported, and the theoretical investigation on the adsorption mechanism between depressant KGM and minerals has not been studied previously.

  • (PDF) Turpentine-based flotation agents in copper

    Copper-nickel ore, turpentine-based collecting agents, flotation At present, the search for alternative resources to produce flotation agents is fostered and urged by the increasing costs and

  • The method of flotation of sulfide copper-nickel ores

    There is a method of flotation of sulfide copper-Nickel ores, including odnostadiinoi grinding and conditioning of the ore in the presence of sulfhydryl collector group dithiocarbonates, introduction to the first stage flotation sulfhydryl collector group dithiophosphates and stepwise selection of sulphides in the bulk concentrate and non

  • PLATSOLTM TREATMENT OF THE NORTHMET COPPER

    2015-12-16 · solution, conventional Cu SX/EW and recycling of the copper raffinate to the autoclave. The concentrate tested was a NorthMet bulk flotation concentrate assaying 14.7% Cu, 3.05% Ni, 0.14% Co, 26.7% S, 1.4 g/t Au, 2.2 g/t Pt and 9.9 g/t Pd. Laboratory results were fully confirmed and, with minor adjustments of the laboratory

  • Metallurgical Processing of PolyMet's NorthMet Deposit

    2015-12-16 · NorthMet including bulk flotation of the . copper, nickel and associated base and precious metals and hydrometallurgical treatment of the bulk concentrate. The NorthMet deposit is situated . approximately 7 miles from the former LTV Steel Mining Company (LTV) taconite iron ore processing facility which prior to its closure due to bankruptcy in

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

    2019-1-21 · for flotation separation of copper/nickel minerals, respectively. The Cu/Ni bulk flotation used 1kg ore to obtain a Cu/Ni bulk concentrates. After wet grinding, the desired amounts of reagents were added to the slurry while agitating at about 1900 rpm andthe slurry was conditioned for 6 min. During the batch flotation tests, the room

  • AERO® NP21 Promoter Solvay

    2021-5-16 · This product is a highly versatile collector that is most often used as a secondary collector in bulk copper-nickel flotation or for selective copper flotation in copper-nickel sequential flotation. It can also be used to enhance discrimination against nickel and iron sulfides in copper-nickel separation stages.

  • Handbook of Flotation Reagents MESA

    15.4 Reagent Practice Using a Bulk Copper-Lead Flotation Method .. 379 15.4.1 Flowsheet used in the treatment of copper-lead-zinc ores using a 16 Flotation of Nickel and Nickel-Copper Ores .. 401 16.1 Ore Types and Mineralogy .. 401 16.2 General Overview of the Methods used in the Beneficiation of

  • (PDF) The Effect of Hydrodynamic Conditions on the

    2021-3-21 · An extreme sensitivity of pentlandite flotation towards pH regulator at pH 10 has been documented using two types of complex nickel-copper sulphide ores in Northern Ontario, Canada.

  • The effect of crystallochemical peculiarities of nickel

    Flotation kinetics of pentlandite and violarite contained in copper–nickel ores and the effect of crystallochemical peculiarities of the minerals on their flotation features are studied.

  • (PDF) A Review of the Flotation of Copper Minerals

    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

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