Katheryn C. Sole is well known in the field of hydrometallurgical solvent extraction, with commodity experience including copper, cobalt, nickel, zinc, titanium, vanadium, platinum-group metals, gold, and uranium. She has co-authored more than 80 publications and regularly presents accredited professional development courses in this field.
A process for the extraction of metal from an ore or concentrate which contains nickel and/or cobalt values and other metals, comprises subjecting the ore or concentrate to acid leaching under pressure at pH
The invention relates to a hydrometallurgical process for the treatment of polymetallic minerals and sulphur concentrates of copper and zinc, and by-products from lead smelting plants and zinc plants, treated independently and/or as mixtures with relevant contents of lead, copper, zinc, iron, gold and silver, such as the matte-speiss mixture from lead smelting plants, and copper cements from ...
ABSTRACT OF THE DISCLOSURE A hydrometallurgical process for the recovery of zinc, copper, and cadmium from their ferrites by treating the ferrites under atmospheric conditions in a sulfuric acid-bearing solution in the presence of potassium, sodium, or ammonium ions at 80-105°C in order to precipitate, as jaro-site, the iron present in the ferrites, separating a jaro-site-bearing solid from ...
Leaching of zinc and precipitation of iron was achieved in the same stage using different reagents like Fe 3+, O 2, O 3, and Fe 2+ (which is continuously oxidized in the leaching solution by H 2 O 2 and O 2). The highest percentage of zinc extraction (96%) was obtained in pilot-scale experiments using H 2 SO 4, Fe 2+, and O 2. Experimental ...
Since 1983, he has provided consulting assistance to the extractive metallurgical industry. His experience includes extensive research in electrolytic refining of copper, nickel, zinc, chromium, manganese, and lead as well as in the process design of numerous electrolytic slimes treatment facilities and precious metals refineries.
Hydrometallurgical Copper Extraction ProcessThe successful development of the Cyprus Copper Process has been an evolutionary series of events covering a time sp
18 Mar 2017 . Commercial values in copper, zinc, lead, gold, and silver were present, together with a considerable pyritic content. Enargite, pyrite, sphalerite. Chat Online Solvent Extraction Process SX: Hydrometallurgical Extraction of . 4 Oct 2017 . It can be used to extract copper from ammonia solutions and iron from .
Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.. As in all mining operations, the ore must usually be beneficiated (concentrated).
In the processing of many concentrates and ores such as copper, zinc, nickel and cobalt hydrometallurgical methodologies are becoming more prominent.
A process for the extraction of copper from a copper ore or concentrate comprises first subjecting the ore or concentrate to agitation leaching at an elevated temperature and pressure in the presence of oxygen and water to obtain a resulting acidic leach liquor which contains dissolved copper. The acidity of the resulting acidic leach liquor is then reduced by affecting percolation leaching of ...
Mar 20, 2019· In order to recover gold and silver from anode slimes containing Cu, Ni, Sn, and Zn, an integrated hydrometallurgical process consisting of leaching, solvent extraction, and cementation was developed. All the metals together with 10% of Ag(I) were dissolved by the mixture of HCl and H2O2 at the optimum conditions. Separation of Au (III) together with Sn (II) was performed by Cyanex 272 from ...
The possibility of the production of lead by a hydrometallurgical route is discussed. It is suggested that the best route to treat lead sulfide concentrates is by low temperature chlorination and ...
The possibility of the production of lead by a hydrometallurgical route is discussed. It is suggested that the best route to treat lead sulfide concentrates is by low temperature chlorination and ...
Dec 01, 2020· 1. Introduction. Jarosite process is a commonly used method for removing iron in the hydrometallurgical process of zinc, nickel, cobalt, copper and zinc due to its advantages in high iron removal efficiency and low reagent consumption (Zhu et al., 2018; Malenga et al., 2015; Zhou and Zhou, 2006).In jarosite process, iron is oxidized to trivalent iron ion, which tends to become compound AFe 3 ...
Dr. David Dreisinger and International Curator Resources Ltd. developed a process for the hydrometallurgical extraction of copper, zinc and cobalt from ores containing manganese dioxide. This was applied at the El Boleo mine (Patent Application WO1998014623A1).
Hydrometallurgy 2008 proudly takes its place as the most up-to-date, comprehensive book published in this field. Following the tradition of the previous international symposiums, this resource tackles the newest in primary and secondary resource recovery with sections on environmental hydrometallurgy, research and industrial applications, base and precious metals, and leaching.
In addition to numerous gold hydrometallurgy projects, we have been involved in studies and projects for the on-site production of copper, uranium, nickel, cobalt, bismuth lead and zinc. These have consisted of applications involving autoclave and atmospheric leaching.
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Mar 11, 2020· The nodules contain many elements of economic interest especially copper, nickel and cobalt, but also traces of zinc, molybdenum, vanadium, titanium, zirconium, ... Sridhar et al. introduced a pyrometallurgical process combined with hydrometallurgical extraction developed by the former International Nickel Company (Inco). ... which can lead to ...