Cobalt-Nickel Separation in Hydrometallurgy: a Review
Chemistry for Sustainable Development "&`' 81 Cobalt-Nickel Separation in Hydrometallurgy: a Review* DOUGLAS S. FLETT St. Barbara Consultancy Services, 17 Foster Close, Stevenage, Herts, SGI 4SA (UK) E-mail: doug.flett@lineone Abstract The separation of cobalt from nickel in aqueous solution has always been a problem for hydrometallurgists.
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Hydrometallurgy | Modular Process Plants
Hydrometallurgy Solutions For Nickel The extraction of nickel by hydrometallurgical means has seen a lot of development is the last few decades, particularly for laterite deposits. High-Pressure Acid Leach (HPAL) has gained …
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Review on hydrometallurgical processing technology of …
Kazakhstan has significant mineral resources, which contain about 1.5 million tons of nickel (1.4–2% of global reserves) and 100 thousand tons of cobalt, which is 1.4% of global reserves. …
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Bacterial leaching of nickel-bearing pyrrhotite
1.. IntroductionThere is an increasing role for bio-hydrometallurgical processes in reducing the environmental impact of industrial activities and recovering valuable metals from low-grade ores (Ehrlich, 2001, Brierley and Brierley, 2001).Bioleaching of nickel from low-grade mineral and mine waste has become an attractive process for the mining industry.
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Difference Between Hydrometallurgy And Pyrometallurgy
What is hydrometallurgy? Hydrometallurgy is a chemical metallurgical process used to extract and refine metals from their ores using aqueous solutions. This method is particularly effective for precious metals like gold and silver and metals used in electronics, such as copper and nickel.
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Study on leaching SiO2 and kinetics of laterite nickel ore in
In this paper, laterite nickel ore was combined with NaOH to extract SiO2 by medium temperature roasting. Firstly, in the single factor experiment, the calcination temperature was 400 °C, the calcination time was 2 h, and the alkali ore ratio was 1.2:1, which was the best calcination conditions. At the same time, the dissolution rate of SiO2 could reach 98.87%. …
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Recycling of Spent Catalysts from the Petrochemical Industry …
Nickel catalysts are widely applied in the chemical and petrochemical industry due to high catalytic activity and low cost. However, these catalysts are often irreversibly deactivated, leading to residue generation. For this reason, recycling is necessary to reduce the environmental impact of landfills and to obtain valuable metal from the secondary source. Hydrometallurgical …
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Bioleaching of a low grade nickel–copper–cobalt sulfide ore
The bioleaching behavior of copper and nickel from a low-grade nickel, copper, and cobalt-bearing sulfide ore was investigated. A recovery of 94% Ni, 62% Co and 70% Cu was achieved in 68 days of flask leaching including 18 days of acid pre-leaching and 50 days of bioleaching. ... Hydrometallurgy, 59 (2001), pp. 233-239. View PDF View article ...
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Recovery of Valuable Metals from Nickel Smelting Slag …
Considering production costs and secondary pollution, effective use of nickel slag in hydrometallurgy and pyrometallurgy is difficult to achieve [11,28,29,30]. Flotation is widely used due to its low cost, short process flow, and high production efficiency advantages [31,32,33]. However, in nickel slag, the nickel is chemically bound in the ...
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Hydrometallurgy
The material-oriented metallurgical strategy for the preparation of LiNi 0.80 Co 0.15 Al 0.05 O 2 cathode material from high-grade nickel matte could be divided into four procedures, including oxidation roasting, two-stage leaching, purification and the production of cathode material. The process flow sheet was shown in Fig. 2.. Download: Download high-res image …
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(PDF) Hydrometallurgical Processing of Nickel Laterites—A …
PDF | On Mar 11, 2019, Sait Kursunoglu and others published Hydrometallurgical Processing of Nickel Laterites—A Brief Overview On The Use of Solvent Extraction and Nickel/Cobalt Project For The ...
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Hydrometallurgy of nickel and cobalt 2009 : …
Hydrometallurgy of nickel and cobalt 2009 : proceedings of 39th Annual Hydrometallurgy Meeting held in conjunction with the 48th Conference of Metallurgists ; August 23 - 26, 2009, Sudbury, Ontario, Canada Subject: Montréal, MetSoc, 2009 Keywords: Signatur des Originals (Print): RN 2798 (39). Digitalisiert von der TIB, Hannover, 2011.
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Bioleaching of zinc and nickel from silicates using
Table 1 shows the maximum values of zinc and nickel extraction (and the corresponding time) from calamine and garnierite, respectively, both by direct process (experiments were carried out incubating the microorganisms in a medium containing ore samples) and indirect process (using supernatant liquor of the cultures as a leaching agent). …
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A novel oxidant for nickel hydrometallurgy
Nickelic hydroxide is an important metallurgical reagent used for precipitating cobalt from nickel sulfate solutions. Existing methods of preparation of nickelic hydroxide involve electrolytic oxidation of Ni(OH) 2 or the use of strong oxidizing agents such as chlorine, ozone and persulfate. The present paper describes a new method for chemical preparation of nickelic …
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Laterite nickel hydrometallurgical residues characterization …
Approximately 80% of the hydrometallurgical process of low-grade laterite nickel ore is converted into residue. The handling of residues from processing is a significant …
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Hydrometallurgical process for the separation and recovery …
This paper describes a hydrometallurgical process for nickel recovery, by electrowinning, from purified sulphate heap liquors (Fig. 1) and presents the results and …
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The advances in the recovery process for precious metals from nickel …
Nickel laterite is a mineral containing iron-nickel oxide compounds. There are three methods for processing nickel laterite, namely hydrometallurgy, pyrometallurgy dan selective reduction.
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Processing mixed nickel‑cobalt hydroxide precipitate by sulfuric …
The results of the oxidative precipitation process showed that a nickel-rich solution containing 43.8 g/L of nickel with only 0.001 and less than 0.0001 g/L of dissolved cobalt and manganese, respectively, can be produced from a feed solution that contains 48.1, 1.8 and 0.3 g/L of nickel, cobalt and manganese, respectively.
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Recent Progress in Hydrometallurgical Processing of Nickel …
As shown in Fig. 9, AL is carried out at atmospheric pressure (1 atm), and temperature varies from 50-110 °C. AL ), which is conducted at low temperature and under ambient pressure, has attracted attention recently because of less capital and operational cost than HPAL . …
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Selective leaching of nickel from mixed nickel cobalt …
Contributions to the hydrometallurgy of nickel, copper and cobalt in the AMAX Inc. Port Nickel Plant. K. Osseo-Asare, J.D. Miller (Eds.), Hydrometallurgy: Research, Development and Plant Practice: Proceedings of the 3rd International Symposium on Hydrometallurgy, The metallurgical society of AIME (1983), pp. 941-953.
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Nickel extractions from limonite type laterite ores by …
Nickel extractions from limonite type laterite ores by pressure leaching with aqueous solutions of polyamines. Hydrometallurgy, 7: 41--60. A new extraction method by pressure leaching has been applied to recover nickel from limonite type laterites. Pressure leaching was carried out with aqueous solutions of polyamines at temperatures above 180.
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Evaluating environmental impacts of different …
In hydrometallurgy, the metal materials in LIBs are selectively dissolved by chemical reagents and further recycled by separation and extraction. The recycling rates of nickel, manganese, cobalt, and lithium are 98.7%, 97.1%, 98.2%, and 81.0%, respectively [27]. Meanwhile, the processing costs and carbon emissions are lower, and advanced ...
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(PDF) Hydrometallurgical Processing of Nickel …
PDF | On Mar 11, 2019, Sait Kursunoglu and others published Hydrometallurgical Processing of Nickel Laterites—A Brief Overview On The Use of Solvent Extraction and Nickel/Cobalt Project For The ...
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Comprehensive Review on Metallurgical Upgradation …
Hydrometallurgy has become the mainstream technology for extracting nickel from nickel sulfide ores, with the advantages of high recovery rate and high product purity. …
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Hydrometallurgy: Practice
Hydrometallurgy: Practice provides the necessary fundamental background to the multidisciplinary field of hydrometallurgy and provides the tools to be able to utilize the theory to quantitatively describe, model and control the unit operations used in hydrometallurgical plants. The book describes the development and operation of processes utilizing …
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Review on hydrometallurgical processing technology of …
republic and full commissioning of nickel production are expected in 2025. Key words: leaching, nickel, cobalt, hydrometallurgy, laterites. DOI: 10.17580/nfm.2024.01.03 Review on hydrometallurgical processing technology of lateritic nickel ore for the last 20 years in the world Introduction N ickel with its unique properties [1] is a strategic
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Hydrometallurgical processing of nickel lateritic ores
The extraction of nickel sulfate relies on the hydrometallurgical processing of nickel ores as well as the recycling of nickel-containing products. The last step in hydrometallurgical processing ...
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Nickel hydrometallurgy
Nickel hydrometallurgy Compared to 352 local construction workers in which the spontaneous abortion rate was 8.5%, an increase in spontaneous abortions to 15.9% was observed among 356 women who worked in a nickel hydrometallurgy refining plant in the arctic region of Russia (Chashschin et al. 1994). Exposure concentrations were 0.08-0.196 mg …
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Hydrometallurgical Recovery of Iron, Nickel, and Chromium …
Stainless steel has a variety of applications nowadays because of its mechanical strength and corrosion resistance. The large-scale machinery made up of stainless steel has an outstanding performance and endurance for manufacturing industries. However, stainless steel scraps accumulate with a lubricant to form sludge during the operation. To reduce the …
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Proceedings of the Nickel-Cobalt 97 International Symposium
acid leaching Al³ ammonia ammonium anodic aqueous atmospheric leach autoclave batch bioleaching carbonate Caro's acid cathode chitosan chloride chlorine leach cobalt and nickel cobalt recovery containing copper electrowinning Cr³ Cyanex deposit electrode electrodeposited electrolyte electrowinning elemental sulfur Extractive Metallurgy Figure ...
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