extraction of cobalt from its ore pdf
Rating: 4.4 / 5 (4179 votes)
Downloads: 38096
= = = = = CLICK HERE TO DOWNLOAD = = = = =
This chapter describes nickel sulfide ores and provides an overview of the methods used to extract nickel and cobalt from these ores. Below °C (°F), cobalt (Co) has a stable hexagonal close-packed crystal structure. 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 Lateritic/limonitic nickel ore usually is found to contain % Co along with % Ni in many parts of the world. Nickel sulfide ores occur as disseminated or massive cobalt processing, preparation of the metal for use in various products. RESOURCES Occurrences of cobalt are reported from Singhbhum district, Jharkhand; Kendujhar and Jajpur districts, Methods of processing low-grade laterite ores resulting in high purity leaching products are currently being explored due to the rapid depletion of high-grade ores. Approximately half of this output is produced as a by-product of nickel extraction, where the other half is produced from copper mines [8]. Cobalt production depends on the ore type wherein its occurredLaterite ores Nickel (Ni) and cobalt (Co) are amongst the critically rare metals due to their large industrial usage and vital application in rechargeable batteries [1], [2], [3]. Cobalt mostly arises as a by-product of other metal extraction, mostly nickel (Ni) and copper (Cu), from a wide variety of deposit types This paper starts by reviewing the main geo-metallurgical properties of cobalt ores, with a particular focus on ore mineralogy which exerts a significant control over ore processing 2 Cobalt extraction and production Overall world production of cobalt can be divided in two groups. At higher temperatures up to the melting point of 1, °C (2, °F), the stable form is face-centred cubic. Flowsheet Options for Cobalt Recovery in African Copper–cobalt Cobalt is extracted as a by-product of copper, nickel, zinc or precious metals. Ni is mined from sulfide ores, Nickel ferrolaterite and serpentineThis study presents a review of cobalt geometallurgy with an overview of cobalt geology, mineralogy, physical ore properties and mineral processing practices. Citation Type. The metal hasradioactive isotopes, none of which occurs naturally Inspired by the matte production process, this study aims at extracting nickel and cobalt from laterite ores through a direct smelting process. More Filters. In, the European ORIGINAL RESEARCH ARTICLE. Thus, the preconcentration of nickel ores is an important unit operation to upgrade the nickel before commencing any extraction steps. WEIJIAO YANG, YUBO LIU, XIANG LI, BAOZHONG figurefiguretable III. View AllFigures & TablesCitations. In this study, reduction pre-treatment is conducted prior to the atmospheric leaching of limonitic laterite ore to produce a nickel-cobalt-scandium-rich leach solution and iron-rich DOI: Corpus ID: ; Extraction of nickel and cobalt from nickeliferous limonitic laterite ore using borax containing slags @article{MorcalExtractionON, title={Extraction of nickel and cobalt from nickeliferous limonitic laterite ore using borax containing slags}, author={Mehmet Hakan Morcalı and The mined ores (1–4% Ni) are processed to upgrade the metal content with–20% Ni in the concentrates. Cobalt is extracted as a by-product of copper, nickel, zinc or precious metals. “Cobalt extraction by wet process after high-temperature smelting enrichment,” which is to add a reducing agent or a sulfurizing agent to the cobalt oxidized ore or arsenic cobalt In this paper a possible recovery of cobalt from the Kupferschiefer ore, with the use of hydrometallurgical methods, was investigatedIntroduction. The streams H-PULP (composed of malachite, azurite, tenorite, cobalt monoxide Abstract. Lateritic/limonitic nickel ore usually is found to contain % Co along with % Cobalt and manganese in the first extraction raffinate were extracted completely in four extraction stages at staggered pH values of,,, and in the first, second, mostly with copper, nickel and arsenic ores. Selective Extraction of Cobalt and Copper From Cobalt-Rich Copper Sulfide Ores. The laterite ores are accounted for% of Ni reserves worldwide but% of the global Ni production is still contributed by the sulfide ores [4], [5] This study assumed that silica was the only gangue mineral and had no effect on the extraction of copper and cobalt.
留言列表
