SUBSTANCE: separation method of copper-nickel nis matte containing copper, cobalt and iron into copper and nickel concentrates involves its treatment with melt of alkali metal chloride for dilution...
US2419973A US527510A US52751044A US2419973A US 2419973 A US2419973 A US 2419973A US 527510 A US527510 A US 527510A US 52751044 A US52751044 A US 52751044A US 2419973 A US2419973 A US 2419973A Authority US United States Prior art keywords copper nickel sulfide crystals mass Prior art date 1944-02-02 Legal status (The legal status is an assumption and is not a
Jun 18, 2020· Synchronous extractions of nickel, copper, and cobalt by selective chlorinating roasting and water leaching to low–grade nickel–copper matte. Separation and
The nickel–copper converter matte is an intermediate from smelting of sulfide or laterite ores for the recovery of nickel and generally consists of dzharleit (Cu 1.96 S), heazlewoodite (Ni 3 S 2), and some magnetic alloys. Hydrometallurgical processes for the Ni–Cu matte led to products with high purity, less SO 2 emissions during refining, and shorter hold-up time of the main base metals
Since 1948, Vale’s Matte Separation Plant has been successfully using magnetic separation and froth flotation to separate the copper sulfide, nickel sulfide and Ni-Cu metallic alloy contained in Bessemer matte for downstream processing. Though some equipment upgrades have been performed over the years, the flow sheet has generally remained
Copper and nickel sulfides become insoluble and separate as a heavy dross for removal. Copper is lowered from 0.5–3% down to 0.1%. The dross is treated in a small reverberatory furnace with coke, silica, or soda ash to yield lead for refining, a copper–lead sulfide matte (and possibly speiss) for copper recovery, and slag for return to
The solution of copper-sulfide nickel ore get nickel A New Process for Cobalt Nickel Separationexcellent cobalt-nickel separation primary leach liquor by Cyanex 272. However, manganese extraction from the leach liquor along with cobalt could not
Copper Processing Equipment, Process Flow, Cases JXSC. Secondary copper sulfide ore is easily oxidized and is less likely to float than primary copper ore. Almost all copper sulfide ore has iron-containing sulfides, so in a sense, the flotation of copper sulfide ore is essentially the separation of copper sulfide from iron sulfide.
Extraction of nickel from sulfide oresis carried out by the following process: Crushing and grinding the ore in order to free the gangue from the nickel sulfide mineral. Concentrating separation of the nickel sulfide mineral from the gangue. pyro metallurgical extraction of copper from sulfide . with recent advances in extraction processes
Copper matte slag reaction sequences and separation processes in matte smelting Article (PDF Available) in Journal of Mining and Metallurgy Section B Metallurgy 54(3):301-311 · December 2018
The effect of a novel depressant on the separation of talc and copper nickel sulfide ore . Guohua Gu 1, Zhixiang Chen 1, Kaile Zhao 1,2, Siyu Song 1, Shuangke Li 1, Chongqing Wang 3. 1 . School of Minerals Processing and Bio-engineering, Central South University, Changsha 410083, Hunan, China . 2
Copper Mining and Extraction: Sulfide Ores. Place these products in the extraction process in ascending order of copper content Use the flow chart as a guide: Matte Ore Cathode copper Blister Anode copper Copper concentrate Fire refined copper; Use a periodic table to find the atomic masses of the elements in cuprite and chalcocite Then work out the percentage of copper in each mineral.
When floatability difference happens to the various nickel elements in the raw ore, the nickel ore can be recycled from tailings after the copper and nickel did the mixing flotation. 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.
excellent cobalt-nickel separation primary leach liquor by Cyanex 272. However, manganese extraction from the leach liquor along with cobalt could not be avoided, thus increasing the cost of the process. For sulphide ores, there is another alternative; if the ore can be concentrated by flotation, matte smelting is used instead of leaching.
The copper–nickel sulfide ore for batch flotation was obtained from the Jinchuan copper–nickel sulfide mine. The multi-elemental chemical analysis of the ore was conducted by Atomic Adsorption Spectroscopy (AAS), and the analysis results are shown in Table 1.The minerals contained 1.33% Ni, 1.3% Cu, 12.31% Fe, 16.42% Mg and 0.03% Co. Yang
mined-out massive ore body. The bulk of the disseminated sulphides contain nickel values of around 0.3% with massive sulphide lenses yielding nickel tenors in excess of 2%. Metallurgical test work was conducted by Mintek, on the drilled bulk samples, incorporating dense media separation and flotation. Recoveries of 72% were indicated.
Nickel sulfide is an inorganic compound with the formula NiS. It is a black solid that is produced by treating nickel(II) salts with hydrogen sulfide.Many nickel sulfides are known, including the mineral millerite, which also has the formula NiS.Aside from being useful ores, nickel sulfides are the products of desulfurization reactions, and are sometimes used as catalysts.
The nickel industry worldwide has traditionally smelted concentrates produced from nickel, copper and cobalt sulphide ores to make an intermediate sulphide product called matte. Hydrometallurgy has been used for refining the matte to produce high purity nickel, copper and cobalt for the market. with removal of impurities and separation of
In addition, it was projected that the quality specification target of a secondary nickel sulfide product could be met simultaneously with that of the copper sulfide product, by upgrading the 1st
the reduction conditions for nickel and iron sulfides and pentlandite (Fe,Ni)gS s and chalcopyrite (CuFeS2) minerals. The reduction behavior of mineral sulfides, such as those of nickel, cobalt, iron, and copper, is illustrated by referring to both the sulfide and alloy phase equilibria. In particular, the
Nov 01, 1993· The smelter produces blister copper (98% Cu) for shipment to the copper refinery and a slow-cooled Bessemer matte (75% Cu + Ni) which is separated at the matte separation plant into nickel sulfides (mainly heazlewoodite), metallics and copper sulfide (chalcocite).
During this period nickel sulfide (heazlewoodite, Ni,S,), copper sulfide (chalcocite, cu,S) and a copper-nickel metallic alloy precipitate and form a coarse grain structure that is amenable to separation by physical means. The phase chemistry of this system has been described previously by Sproule et al (1).
Adsorption of dextrin onto sulphide minerals and its effect on the differential flotation of the Inco matte: Creator: Nyamekye, George A. Date Issued: 1993: Description: The major constituents of the Inco matte, chalcocite (Cu2S) and heazlewoodite (Ni3S2), are separated by differential flotation with diphenylguanidine as collector.
This solution is heated to remove copper, and the use of hydrogen gas under high pressure precipitates nickel metal; remaining nickel in the solution can be precipitated by adding hydrogen sulfide. The process steps of the two methods of magmatic sulfide ores can be found in Figure 4 .
Copper Mining and Extraction Sulfide Ores. Place these products in the extraction process in ascending order of copper content. Use the flow chart as a guide: Matte Ore Cathode copper Blister Anode copper Copper concentrate Fire refined copper; Use a periodic table to find the atomic masses of the elements in cuprite and chalcocite.
The smelter produces blister copper (98% Cu) for shipment to the copper refinery and a slow-cooled Bessemer matte (75% Cu + Ni) which is separated at the matte separation plant into nickel sulfides (mainly heazlewoodite), metallics and copper sulfide (chalcocite).
Apr 11, 2017· G.M. Mudd, Nickel sulfide versus laterite: the hard sustainability challenge remains, [in] The 48th Annual Conference of Metallurgists, Sudbury, 2009, p. 214. Google Scholar 
The toxicokinetics of inhaled nickel oxide and nickel subsulfide in Fischer-344/N-rats were investigated. Male rats were exposed nose only to 9.9mg/m3 nickel oxide or 5.7 mg/cu m nickel subsulfide for 70 or 120 minutes, respectively.
Sulfide ores. Secondary sulfides those formed by supergene secondary enrichment are resistant to sulfuric leaching.These ores are a mixture of copper carbonate, sulfate, phosphate, and oxide minerals and secondary sulfide minerals, dominantly chalcocite but other minerals such as digenite can be important in some deposits.. Supergene ores rich in sulfides may be concentrated using
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