exTRActioN Of CObalt FrOM LaTERITe

  • Extraction of cobalt from laterite ores by citric acid in ...

    2010-8-1 · Extraction of cobalt from laterite ores by citric acid in presence of ammonium bifluoride LI Guang-hui(李光辉) ,RAO Ming-jun(饶明军), LI Qian(李 骞), PENG Zhi-wei(彭志伟), JIANG Tao(姜 涛) 1 School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China Received 6 July 2009; accepted 8 April 2010 Abstract: Citric acid

  • Extraction of nickel and cobalt from a laterite ore using ...

    2020-2-1 · 1. Introduction. Nickel (Ni) and cobalt (Co) are amongst the critically rare metals due to their large industrial usage and vital application in rechargeable batteries , , .The laterite ores are accounted for 70% of Ni reserves worldwide but 60% of the global Ni production is still contributed by the sulfide ores , .Due to the depletion of Ni-containing sulfide ores, increasing attention is ...

  • Extraction of cobalt from laterite ores by citric acid in ...

    With increasing demand for cobalt around the world, extraction of cobalt from laterite ores is becoming increasingly important. 13, 14 Nickel in native form is scarce in nature.

  • EXTRACTION OF COBALT AND NICKEL FROM LATERITE -

    EXTRACTION OF COBALT AND NICKEL FROM LATERITE . United States Patent 3661564 . Abstract: A method for the recovery of nickel and cobalt from laterite with the elimination of iron, wherein the laterite is divided into a major and a minor portion and the minor portion is treated with hydrochloric acid to form a suspension. ...

  • Extraction of Nickel, Cobalt and Iron from Laterite Ores ...

    The laterite deposits exhibit graded layers of ore, with high... Lateritic ores are formed by prolonged weathering of ultramafic rocks. Extraction of Nickel, Cobalt and Iron from Laterite Ores by Mixed Chloride Leach Process | SpringerLink

  • Extraction of nickel and cobalt from reduced limonitic ...

    2010-12-1 · To overcome the problems of HPAL and Caron processes, a sulphation roast–leaching process has been investigated for the extraction of nickel and cobalt from limonitic laterite (Nicolas, 1968, Kar and Swamy, 2000, Swamy et al., 2003, Guo et al., 2009) in which iron rejection is performed by the thermal decomposition of ferric sulfate at ...

  • Extraction of nickel and cobalt from nickeliferous ...

    2017-10-10 · Inspired by the matte production process, this study aims at extracting nickel and cobalt from laterite ores through a direct smelting process. More specifically the possibility of achieving high extraction recoveries of nickel and cobalt and producing a high grade nickel matte at low smelting temperature was investigated.

  • ISR: For the Extraction of Nickel & Cobalt from Laterite ...

    CSA Global congratulates first author, Principal Consultant, 1 Maxim Seredkin, and authors 2 Mikhail Savenya, 2 Sergey Sukleta, 3 Baurzhan Duisebayev on their recently accepted technical paper: ‘ISR – Emerging Technology for the Extraction of Nickel and Cobalt from Laterite Deposits.’ Dr Seredkin will present at ALTA 2020 between 7-14 November in Perth, Western

  • Recovery of nickel and cobalt from laterite leach ...

    2010-7-1 · A series of tests were conducted with Versatic 10 concentrations in the range of 0.25 M–0.5 M and 4PC concentrations in the range of 0.25 M–1.0 M in Shellsol D70.Overall, the organic system containing 0.5 M Versatic 10 and 1.0 M 4PC at an O/A ratio of 1:1.5 gave the best results in terms of nickel and cobalt extraction and their separation from manganese,

  • Solvent extraction process for the recovery of nickel and ...

    2017-5-1 · In hydrometallurgy of laterite nickel ores, solvent extraction (SX) has been an important separation technique to enrich the nickel and its primary by-product, cobalt. This is because SX is currently the only proven commercial technique to separate the two chemically-similar metals from the pregnant leach solution (PLS).

  • Solvent extraction of cobalt from laterite-ammoniacal ...

    @article{osti_5187832, title = {Solvent extraction of cobalt from laterite-ammoniacal leach liquors}, author = {Nilsen, D N and Siemens, R E and Rhoads, S C}, abstractNote = {The Bureau of Mines is developing a method to recover Ni, Co, and Cu from laterites containing less than 1.2% Ni and 0.25% Co. The method consists of the following basic unit operations: (1) reduction roasting, (2 ...

  • Extraction of cobalt from laterite ores by citric acid in ...

    With increasing demand for cobalt around the world, extraction of cobalt from laterite ores is becoming increasingly important. 13, 14 Nickel in native form is scarce in nature.

  • Extraction of Cobalt from Nickel Laterite and Sulfide Ores ...

    Cobalt is produced as a by-product from leaching of the limonite layer of the laterite ore. Most of the cobalt and nickel is first precipitated as a mixed sulfide that is then refined to metallic ...

  • EXTRACTION OF NICKEL AND COBALT FROM LATERITIC

    2014-12-29 · EXTRACTION OF NICKEL AND COBALT FROM LATERITIC ORES BY NITRIC ACID Saka, Onur M.S., Department of Metallurgical and Materials Engineering Supervisor: Prof. Dr. Yavuz A. Topkaya December 2014, 132 pages This thesis study is related to the extraction kinetics of nickel and cobalt from lateritic nickel ores from Gördes/Manisa region of Turkey.

  • ISR: For the Extraction of Nickel & Cobalt from Laterite ...

    CSA Global congratulates first author, Principal Consultant, 1 Maxim Seredkin, and authors 2 Mikhail Savenya, 2 Sergey Sukleta, 3 Baurzhan Duisebayev on their recently accepted technical paper: ‘ISR – Emerging Technology for the Extraction of Nickel and Cobalt from Laterite Deposits.’ Dr Seredkin will present at ALTA 2020 between 7-14 November in Perth, Western

  • Extraction of Nickel, Cobalt and Iron from Laterite Ores ...

    The laterite deposits exhibit graded layers of ore, with high... Lateritic ores are formed by prolonged weathering of ultramafic rocks. Extraction of Nickel, Cobalt and Iron from Laterite Ores by Mixed Chloride Leach Process | SpringerLink

  • (PDF) Extraction of Nickel, Cobalt and Iron from Laterite ...

    extraction of nickel, cobalt and iron from laterite ORES BY MIXED CHLO RIDE LEACH PROCESS 9 , /DNVKPDQDQ 5 6ULGKDU 5 GH/ DDW - &KHQ 0 $ +DOLP DQG 5 5R\

  • PROCESS FOR NICKEL AND COBALT EXTRACTION FROM

    A method for the recovery of nickel and cobalt from nickel and cobalt containing laterite ores, said method comprising: a) roasting feed ore in a reducing atmosphere in a rotary kiln to selectively reduce the nickel and cobalt, wherein either no, or less than 2.5% w/w reductant is added to the feed ore prior to roasting; b) leaching the reduced ore with an aerated ammoniacal ammonium

  • Extraction and separation of nickel and cobalt from ...

    2013-7-7 · Extraction and separation of nickel and cobalt from saprolite laterite ore were studied by using a method of microwave-assisted hydrothermal leaching and chemical deposition. The effects of leaching temperature and time on the extraction efficiencies of Ni2+ and Co2+ were investigated in detail under microwave conditions. It is shown that the extraction efficiencies of

  • IN-SITU RECOVERY – EMERGING TECHNOLOGY FOR THE

    2020-9-11 · IN-SITU RECOVERY – EMERGING TECHNOLOGY FOR THE EXTRACTION OF NICKEL AND COBALT FROM LATERITE DEPOSITS By . 1Maxim Seredkin, 2Mikhail Savenya and 2Sergey Sukleta. 1. CSA Global Pty Ltd, Australia. 2. UGTC . Ltd, Russian Federation. Presenter and Corresponding Author . Maxim Seredkin . ABSTRACT

  • Extraction of Cobalt from Nickel Laterite and Sulfide Ores ...

    Cobalt is produced as a by-product from leaching of the limonite layer of the laterite ore. Most of the cobalt and nickel is first precipitated as a mixed sulfide that is then refined to metallic ...

  • (PDF) Extraction of Nickel, Cobalt and Iron from Laterite ...

    extraction of nickel, cobalt and iron from laterite ORES BY MIXED CHLO RIDE LEACH PROCESS 9 , /DNVKPDQDQ 5 6ULGKDU 5 GH/ DDW - &KHQ 0 $ +DOLP DQG 5 5R\

  • PROCESS FOR NICKEL AND COBALT EXTRACTION FROM

    A method for the recovery of nickel and cobalt from nickel and cobalt containing laterite ores, said method comprising: a) roasting feed ore in a reducing atmosphere in a rotary kiln to selectively reduce the nickel and cobalt, wherein either no, or less than 2.5% w/w reductant is added to the feed ore prior to roasting; b) leaching the reduced ore with an aerated ammoniacal ammonium

  • Extraction and separation of nickel and cobalt from ...

    2013-7-7 · Extraction and separation of nickel and cobalt from saprolite laterite ore were studied by using a method of microwave-assisted hydrothermal leaching and chemical deposition. The effects of leaching temperature and time on the extraction efficiencies of Ni2+ and Co2+ were investigated in detail under microwave conditions. It is shown that the extraction efficiencies of

  • Extraction of nickel and cobalt from reduced limonitic ...

    Extraction of nickel and cobalt from reduced limonitic laterite using a selective chlorination–water leaching process December 2010 Hydrometallurgy 105(1):191-194

  • HYDROMETALLURGICAL EXTRACTION OF NICKEL AND

    2010-7-21 · HYDROMETALLURGICAL EXTRACTION OF NICKEL AND COBALT FROM ÇALDA Ğ LATERITIC ORE Özdemir, Veysel M. Sc., Department of Mining Engineering Supervisor: Prof. Dr. Ali İhsan Arol September 2006, 80 pages In this study, an attempt has been made to hydrometallurgical extraction of cobalt

  • Extraction of metal values from lateritic ores - THE ...

    There is disclosed a method for the extraction of metal values from laterite ores including nickel, chromium, manganese, iron and cobalt by a series of steps including chlorinating the ore in a fluidized bed with hydrogen chloride gas to form volatile metal chlorides of nickel, iron, cobalt and manganese, and a residue containing chromium, removing and condensing the volatile

  • Bioleaching of Transition Metals From Limonitic Laterite ...

    2021-7-26 · Using acidophilic bacteria to catalyze the reductive dissolution of oxidized minerals is an innovative process that facilitates the extraction of valuable base metals (principally cobalt and nickel) from limonites, which are otherwise often regarded as waste products of laterite mining. The most appropriate conditions required to optimize reductive mineral dissolution are

  • THE DEVELOPMENT OF A NEW DSX PROCESS FOR THE

    nickel-cobalt extraction from laterite ores through high pressure acid leach (HPAL) and subsequent recovery processes. In WA, the Murrin Murrin (Motteram et al., 1996) nickel plant is in operation and the Ravensthorpe nickel plant is being reactivated. In

  • Extraction of valuable metals from low-grade nickeliferous ...

    2010-8-5 · Nickel and cobalt were extracted from low-grade nickeliferous laterite ore using a reduction roasting-ammonia leaching method. The reduction roasting-ammonia leaching experimental tests were chiefly introduced, by which fine