coppper nickel sulfite ore and nickel oxide ore

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coppper nickel sulfite ore and nickel oxide ore

The selective chlorination of nickel and copper from low-grade

2020年5月15日 The work carried out a selective extraction of valuable metals from the low-grade nickel-copper sulfide-oxide ore by using a chlorination roasting and water leaching

Synchronous extraction of nickel and copper from a mixed oxide

2018年3月10日 In this study, ammonium sulfate roasting technique was used to process a typical Chinese mixed oxide-sulfide nickel ore to extract copper and nickel directly in a

Efficient Synchronous Extraction of Nickel, Copper, and

2020年6月18日 Therefore, this paper focuses on studying the optimal process parameters and the mechanism of sulphation roasting followed by water leaching achieving efficient synchronous extraction of nickel...

Synchronous extraction of nickel and copper from a mixed oxide

2017年12月1日 Sulfation roasting, a common activation technique, is a potential method for cleaner production of nickel from complex low-grade ores. In this study, nickel oxide–sulfide

Sulfation Kinetics of Low-Grade Nickel–Copper Sulfide Ore in the ...

2020年3月29日 As shown in Table 2, the chemical mineral phase analysis suggests that both sulfide and oxide forms of nickel and copper exist in the ore. Nickel hosted in sulfide-type

Direct Extraction of Nickel and Copper from Low-Grade Nickel

2022年1月18日 In the roasting process of low-grade nickel sulfide ore, some influential factors, including roasting temperature (A), roasting time (B), MgCl 2 6H 2 O/NaCl (C),

The selective chlorination of nickel and copper from low-grade

2020年5月15日 A new extraction technology of chlorination roasting with a mixture of MgCl26H2O and NaCl was investigated to co-extract nickel and copper from low-grade

The selective chlorination of nickel and copper from low-grade

2020年5月1日 A method is developed for separating nickel-copper alloy by electrolysis of crushed nickel matte in sulfuric acid solution to obtain a cathode precipitate, an electrolyte

Extraction of Copper and Nickel from Low-Grade Nickel Sulfide

2019年9月10日 Low-temperature roasting, selective decomposition and water-leaching were used to extract nickel and copper from low-grade nickel sulfide ore with highly alkaline gangue.

Microwave Treatment of Copper–Nickel Sulfide Ore

2024年5月11日 The effect of microwave treatment on the grinding and flotation performance of a typical copper–nickel sulfide ore was evaluated, based on the determination of its microwave absorption capability, grinding and flotation

Nickel (Ni) Ore Properties, Formation, Minerals,

2023年4月23日 Nickel ore refers to the naturally occurring rocks or minerals that contain significant amounts of nickel. Nickel is a chemical element with the symbol Ni and atomic number 28. It is a silvery-white metal with a relatively

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

optimum conditions for the flotation of nickel, copper and cobalt from a nickel-copper sulphide ore. The parameters investigated include collector dosage, percentage solids, depressant dosage and pH. The effects of these parameters at three different levels on the recovery of Ni, Cu and Co were investigated using an L 9 Taguchi orthogonal array.

Efficient Synchronous Extraction of Nickel, Copper, and Cobalt

2020年6月18日 Synchronous extraction of nickel and copper from a mixed oxide–sulfide nickel ore in a low–temperature roasting system. Journal of cleaner production 177 , 371–377 (2018). Article CAS Google ...

Application of Sulfide Copper Ores Oxidizing Roasting Products

2019年12月2日 Use of the method of direct ore processing [7, 8] is limited for production and economic reasons.A version of rational use of pyrite ores may combined processing with oxidized nickel ores [].Reduction sulfiding melting of the latter using the product of partial oxidation firing of copper ore as a sulfiding agent makes it possible to obtain copper-nickel matte suitable

Copper Ore Types: Sulfides vs. Oxides INN - Investing News

2023年5月2日 Copper-containing rock, or copper ore, holds only a small percentage of copper. Most of the rock is unwanted material, typically referred to as gangue.There are two main types of copper ore that ...

Nickel processing - Extraction, Refining, Alloying Britannica

Nickel processing - Extraction, Refining, Alloying: 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

Sulfation Kinetics of Low-Grade Nickel–Copper Sulfide Ore in

2020年3月29日 The enormous demand for and consumption of nickel in industrial applications has induced the depletion of high-grade nickel sulfide ore, which has inevitably led to the utilization of the substantial deposits of depreciated low-grade nickel-copper sulfide ore. In this work, the mineral phase transformation and sulfation kinetics of nickel, copper, iron, and

Enhanced methods for nickel recovery from low-grade ores and

2017年9月6日 Recovery of Nickel and Processing of Magmatic Sulfide Ores. The processing of magmatic sulfide ores differs from laterites: sulfide ores are crushed in multiple steps to separate the ore minerals from the gangue. At each stage the ore is separated by size, using vibrating screens, as well as magnetic separation of iron-rich pyrrhotite.

Synchronous extraction of nickel and copper from a mixed oxide-sulfide

2017年12月1日 Mixed oxide-sulfide copper-nickel ore, a thick mixed ore belt, located between the primary nickel sulfide ore and the upper oxidized ore belt, contains large amounts of gangue minerals, such as ...

The selective chlorination of nickel and copper from low-grade nickel

2020年5月15日 Therefore, we are reporting a new selective chlorination roasting and water leaching process to treat complex nickel sulfide ore. Anhydrous aluminum chloride was firstly used as the solid chlorination agent to sulfide ore. The chlorination mechanism for metals in nickel-copper sulfide ore were determined by thermodynamic calculation and experiment.

Leaching of Copper, Cobalt, and Nickel from Complex Ore

at 0.6 wt%. Copper, cobalt, and nickel were recovered from the leach solution via precipitation with sodium sulphide and magnesium oxide. Sodium sulphide was more selective than magnesium oxide. Keywords Heterogenite Copper Cobalt Nickel and leaching Introduction Copper, cobalt, and nickel have wider applications [1–3]. Worldwide demand for

Upgrading of talc-bearing copper-nickel sulfide ore by froth

2024年4月20日 Rougher flotation separation tests were performed on copper-nickel sulfide ores containing talc to confirm the effect of sodium phytate on talc exhibited by microflotation.The rougher flotation process flow sheet is shown in Fig. 4. CMC and guar gum (an inhibitor commonly used in copper-nickel sulfide flotation) were selected for comparison [24].

The selective chlorination of nickel and copper from low-grade nickel

Request PDF On May 1, 2020, Fuhui Cui and others published The selective chlorination of nickel and copper from low-grade nickel-copper sulfide-oxide ore: Mechanism and kinetics Find, read and ...

Nickel from sulfide ores - Big Chemical Encyclopedia

Pyrometa.llurgica.1 Processes. Nickel oxide ores are processed by pyrometaHurgical or hydrometaHurgical methods. In the former, oxide ores are smelted with a sulfiding material, eg, gypsum, to produce an iron—nickel matte that can be treated similarly to the matte obtained from sulfide ores. The iron—nickel matte may be processed in a converter to eliminate iron.

A novel process for simultaneously extracting Ni and Cu from

2020年1月1日 Section snippets Materials. The mixed oxide-sulfide copper‑nickel ore used in this study was provided by Jinchuan Group Ltd. (JNMC), China. The ore powders obtained by grinding the crushed ore in a ball mill at 100 r/min for 15 min were sieved into six narrow size ranges: 75–80 μm, 80–96 μm, 96–109 μm, 109–120 μm, 120–150 μm and 150–180 μm, and

The Guide to Nickel Processing Methods Mining Pedia

6 天之前 Nickel ore beneficiation process varies according to the type of ore, nickel sulfide ore usually adopts flotation method, while nickel oxide ore is mainly smelted by pyrometallurgy or wet smelting. In actual operation, it is necessary to choose the appropriate process according to the nature of the ore and production conditions, and pay attention to environmental protection

Synchronous extraction of nickel and copper from a mixed oxide-sulfide

Leaching of Copper, Cobalt, and Nickel from Complex Ore

2020年1月24日 The paper focuses on leaching of complex copper–cobalt–nickel ore from Mwinilunga district in Zambia, containing 0.6% Cu, 0.21% Co, 2.6% Fe, and 0.13% Ni. Mineralogical examination of the ore using scanning electron microscope (SEM) showed that copper, cobalt, and nickel exist in fine particles of heterogenite and limonite mineral phases.

Direct Extraction of Nickel and Copper from Low-Grade Nickel Sulfide ...

2022年1月18日 A new extraction technology of chlorination roasting with a mixture of MgCl26H2O and NaCl was investigated to co-extract nickel and copper from low-grade nickel ores. The effects of some key factors on the extraction of nickel, copper, and iron were studied, and the results show that,when the roasting temperature is 850°C, the roasting time is 1.5 h,

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