Chromium Recovery From Nickel-Cobalt Laterite and Laterite Leach Residue.
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|Series||Report of investigations (United States. Bureau of Mines) -- 8676|
|Contributions||Kirby, D., George, D., Daellenbach, C.|
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Additional Physical Format: Online version: Kirby, D.E. (Donald E.). Chromium recovery from nickel-cobalt laterite and laterite leach residue. [Washington, D.C.]: U. A roast-leach method was developed by the Bureau to extract nickel and cobalt from domestic laterites.
A concurrent effort was made to recover chromium from either unprocessed laterites or the leach residues. This report characterizes laterites and laterite leach residues.
Metals like nickel, cobalt and copper could be recovery from nickel laterite leach waste by many different processes. Among recovery processes that could be applied are ion exchange, solvent.
It can be seen in Fig. 3a that the leaching ratios of nickel, cobalt and iron are %, % and % respectively from dried laterite ore in H 2 SO 4 liquor. By contrast, after calcination, the leaching of nickel, cobalt and iron from the calcined laterite increase obviously, and Cited by: About 45% of Ni and 37% of Co remained in the leach residue, while 15% Ni and 20% Co were lost in the Mn oxides.
for the recovery of nickel/cobalt from laterite leach liquors and the. Laterite. See also what's at Wikipedia, your library, or elsewhere. Broader terms: Soils; Sediments (Geology) Filed under: Laterite. Lateritic ore deposits [electronic resource]. The study on iron, aluminium and chromium removal from laterite heap leach solutions by Guise and Castro () showed that % iron, % aluminium and % chromium were rejected at pH and 90 °C by the addition of 50 g/L MgO slurry in the first stage of the precipitation process.
In the second stage of the precipitation process Cited by: 4. High iron (> 35 % Fe) limonitic ores can be treated by high pressure leach using sulfuric acid. An alternative process for the production of base metals (Ni, Co and Fe) from both high and low iron laterite ores is being developed by Process Research ORTECH Inc.
(PRO), a world leader in the development of chloride by: 1. The invention claimed is: 1.
Description Chromium Recovery From Nickel-Cobalt Laterite and Laterite Leach Residue. EPUB
A process for producing an enriched mixed nickel and cobalt sulphide intermediate from a laterite ore slurry containing nickel, cobalt, copper, chromium, zinc, iron and silicon, comprising leaching the laterite ore slurry in a pressure acid leach containing an excess of aqueous sulphuric acid at high pressure and temperature for a time sufficient to extract nickel.
D.E. Kirby, D.R. George and C.B. Daellenbach, “Chromium Recovery from Nickel-Cobalt Laterite and Laterite Leach Residue,” BuMines RI (), 22 pp. Google Scholar 4. W.L. Hunter and L.H. Banning, “Electric Smelting of Montana Production of Ferrochromium,” BuMines Cited by: 2.
Most chromium-bearing scrap now recycled or refined to recover more valuable elements such as nickel, cobalt, and molybdenum, has significant amounts of chromium that is incompletely recovered. The technology does not now exist to economically separate chromium from complex Ni-Fe-Cr alloys.
The nickel laterite challenge. J modelling and then optimising leach conditions for best nickel (and cobalt) recovery and minimal excess acid additions (i.e.
operating cost). The processing of laterite ores for the recovery of nickel and cobalt has increased as the reserves of exploitable sulphide ores have become depleted. The pressure acid leach process (PAL) has become the preferred option for the treatment of laterite ores.
Difficulties associated with the poor settling characteristics of the pulp in the counterFile Size: 2MB. Cobalt Nickel Chromium is one of numerous metal alloys sold by American Elements under the trade name AE Alloys™.Generally immediately available in most volumes, AE Alloys™ are available as bar, ingot, ribbon, wire, shot, sheet, and foil.
Ultra high purity and high purity forms also include metal powder, submicron powder and nanoscale, targets for thin film deposition, and pellets for.
Atmospheric leach process for the recovery of nickel and cobalt from limonite and saprolite ores. United States Patent Abstract: A process is provided for leaching nickeliferous laterite ores by hydrometallurgical methods at temperatures below the boiling point of the pulp and at atmospheric pressure from which high overall nickel.
Chromium Nickel is one of numerous metal alloys sold by American Elements under the trade name AE Alloys™.Generally immediately available in most volumes, AE Alloys™ are available as bar, ingot, ribbon, wire, shot, sheet, and foil.
Ultra high purity and high purity forms also include metal powder, submicron powder and nanoscale, targets for thin film deposition, and pellets for chemical. A hydrochloric acid hydrometallurgical process was evaluated for Ni and Co extraction from a low-grade saprolitic laterite.
The main characteristics of the process were (i) the application of a counter-current mode of operation as the main leaching step (CCL), and (ii) the treatment of pregnant leach solution (PLS) with a series of simple precipitation steps.
It was found that, during CCL, co Cited by: 3. In spite of the improved awareness of the potential for nickel, cobalt and chromium to cause skin allergy, the incidence of sensitization to them is generally on the increase, especially for nickel.
We review data from the literature and industry on transition metal contamination of consumer products and assess the Cited by: ALTA NICKEL-COBALT-COPPER SESSIONS May Perth, Australia ISBN: RECOVERY OF NICKEL AND COBALT FROM LEACH SOLUTIONS CONTAINING IRON AND ALUMINIUM USING ION EXCHANGE RESINS.
A diagnostic leach for nickel laterite deportment in all three zones has been. The processing of nickel laterites by high pressure acid leaching (HPAL) typically uses feeds with an average nickel content not less than %–% (cut-off grade %)  though recently several nickel laterite projects have been revalued with lower nickel cut-off grades based upon the cobalt content of the may also be possible to revalue a low-grade nickel laterite deposit if the.
Laterite - the resulting soil layer, typically red in color due to the presence of iron oxides and hydroxides. Nodular, red to yellow or brown hematite and goethite with as much as 20% Al2O3.
Laterites are formed mostly in the sub-tropical and tropical regions between 25° North and 25° South latitude. Laterites also occur in temperate zones.
Details Chromium Recovery From Nickel-Cobalt Laterite and Laterite Leach Residue. EPUB
NIOSHTIC-2 Publications Search. Kenai Peninsula, and Kodiak Island areas in Alaska, deposits in northern California, and a nickel-cobalt laterite from southern Oregon. All of these concentrates were successfuly treated by the Bureau procedure.
The best chromium extractions obtained for each of these materials ranged from to pct. This book is a comprehensive guide to the compositions, properties, processing, performance, and applications of nickel, cobalt, and their alloys. It includes all of the essential information contained in the ASM Handbook series, as well as new or updated coverage in many areas in the nickel, cobalt, and related industries.
Chapter 38 - Recycling of Nickel, Cobalt and Platinum-Group Metals, Pages Appendix A - Ferronickel Smelting of Non-Tropical Laterite Ores, Page Appendix B - Caron Process for Processing Nickel Laterites, Pages Recovery of lithium, nickel, cobalt, and manganese from spent lithium-ion batteries using L-tartaric acid as a leachant Li-Po He, Shuying Sun, Yan-Yu Mu, Xingfu Song, and Jianguo Yu ACS Sustainable Chem.
Eng., Just Accepted Manuscript • DOI: / acssuschemeng.6b • Publication. Jaguar Nickel Inc.
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is developing a nickel-cobalt laterite project in Guatemala, Central America. In this process, a mixed chloride lixiviant is used to recover the nickel and cobalt, while leaving the majority of the iron and magnesium in the leach residue.
Sumitomo Metal Mining Co., Ltd. (SMM) has decided to construct a pilot plant to recover chromium from nickel ore through Coral Bay Nickel Corporation (CBNC), its majority owned subsidiary located on Palawan Island in the Philippines, and commence operations from September Без категории Загрузил Nickel, Cobalt, and Their Alloys - Edited by J.
Davis. ALLOYS OF NICKEL AND COBALT WITH CHROMIUM 13 iron, chromium, and other metals. * The fusions were made in small graphite crucibles, which were heated in a blast furnace of the Fletcher type, operated by natural gas. I had at that time, the advantage of natural gas at a pressure of forty pounds or more per square Size: KB.
Are orthopaedic implants failing due to metal allergy. Information overview • There are multiple reports citing metal allergy as a cause of orthopaedic implant failure • In addition to Nickel, most patients are allergic to multiple metals Cobalt and Chromium have also both been cited as allergens leading to revision, Five 5% >Five.
Full text of "Chromium-chromite: Bureau of Mines assessment and research: proceedings of Bureau of Mines briefing held at Oregon State University, Corvallis, OR, June" See other formats.Mines of the United States developed heap leaching technology to recover precious metals from low-grade heaps of ore using cyanide solutions, adsorption onto activated carbon and recovery us Cortez heap leach in in Nevada as the "birthplace" of modern gold heap leaching (Kappes, ).Preface ix About the Editors xi Plenary Laterites - Still a Frontier of Nickel Process Development 3 A.
Taylor Cobalt ('the Technology Enabler'): CDI Review & Future Challenges 25 D. Weight The Recycling of Cobalt from Alloy Scrap, Spent Batteries or Catalysts and Metallurgical Residues--An Overview 53 C. Ferron Ni Laterite Hydrometallurgy Acid.
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