extraction of copper other sulfide ores

FLOTATION OF COPPER SULFIDE ORES

I claim as my invention 1. A flotation promoter for the selective water flotation of thin finely ground copper-bearing sulfide ores and the suppression of iron pyrites therein, finely ground state consisting essentially of an aliphatic hydrocarbon sodium sulfate having a C 8 - C 10 carbon chain and having propylene oxide chemically combined therewith in an amount in the range of 5 to 30 mols.

copper extraction and purification

2015-7-26 · Extracting copper from other ores. Copper can be extracted from non-sulphide ores by a different process involving three separate stages: Reaction of the ore (over quite a long time and on a huge scale) with a dilute acid such as dilute sulphuric acid to produce a very dilute copper…

Solvometallurgical process for extraction of copper from ...

Solvometallurgical process for extraction of copper from chalcopyrite and other sulfidic ore minerals† Xiaohua Li, *a Wouter Monnens,b Zheng Li, a Jan Fransaerb and Koen Binnemans a Extraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limit-ations.

SOLVENT EXTRACTION IN HYDROMETALLURGICAL …

2010-9-13 · of the sulphide copper ores and concentrates. The hydrometallurgical processing of such materials consists of copper (main component) extraction, recovery of accompanying valuable metals (Ni, Co, Zn), and effective removal of arsenic and iron, as undesired and difficult to process elements.

Bacterial consortium for copper extraction from sulphide ...

The mining industry is looking forward for bacterial consortia for economic extraction of copper from low-grade ores. The main objective was to determine an optimal bacterial consortium from several bacterial strains to obtain copper from the leach of chalcopyrite. The major native bacterial species …

LEACHING OF LOW-GRADE COPPER ORES: A CASE …

2017-6-9 · Key words: low-grade ores; copper minerals; column leaching. 1. Introduction The highest quantities of copper, lead and zinc in the world are obtained by sulphide ore treatment. The reserves of high-grade ores from which the extraction of non-ferrous, rare and noble metals is technologically and economically feasible are becoming scarcer

Gold Extraction from Different Types of Ore

2020-1-10 · 11. Polymetallic sulfide gold ores containing lead, zinc and copper. Polymetallic sulfide gold ores containing lead, zinc, and copper refer to ores that coexist with gold ores and considerable amounts of copper, lead, zinc, and other sulfur ores. …

Solvometallurgical process for extraction of copper from ...

copper extraction and purification - chemguide

EXTRACTING METALS FROM SULFIDE ORES

Another example is the treatment of ores containing copper sulfide (chalcocite) and copper iron sulfide (chalcopyrite), together with molybdenum disulfide (molybdenite). The usual practice is to float both copper and molybdenum minerals in the first stage, leaving iron sulfides and other …

Copper Mining and Extraction: Sulfide Ores

Copper Mining 11 - 14 YEARS and Extraction: Sulfide Ores CHEMISTRY Did You Know? Copper is infinitely recyclable without losing any of its properties. This means it is not consumed and can be used and re-used over and over again. Click here to watch t ''Ore to More'' video explaining the mining and extraction of copper in simple terms.

Leaching of Copper Sulphides

2016-6-8 · The technology should be suitable for retrofits, e.g., the conversion of a copper heap leach, solvent extraction (SX) and electrowinning (EW) facility once the oxide and transition material is exhausted (Valkama, 2013). Throughout this paper, ''copper sulphides'' describes both mixed copper–iron sulphides, such as

Extraction of copper from complex carbonaceous sulfide …

2021-9-10 · Complex carbonaceous sulfide ores are extremely difficult to treat due to their mineralogical complexity and impurities of organic carbon and carbonates. This study focuses on the development of a hydrometallurgical process for efficient copper extraction from complex carbonaceous sulfide ore which contains chalcopyrite, carbonates (dolomite and calcite), and carbonaceous gangue miner

extraction of copper from copper sulfide

copper extraction decreases rapidly above 550˚C due to the decomposition of copper sulfate to other less soluble ... Copper Sulfide Concentrate, Copper Extraction ... Published in: ... 9 Sep 2015 To understand the basic principles of copper extraction from ores sulfide (which is reduced further to copper metal in the final stage) The iron ...

Acid leaching of oxide–sulfide copper ore prior the ...

2015-11-26 · 453 Acid leaching of oxide–sulfide copper ore prior the flotation – A way for an increased metal recovery Miroslav D. Sokić1, Vladan D. Milošević1, Velizar D. Stanković2, Vladislav Lj.Matković1, Branislav R. Marković1 1Institute for Technology of Nuclear and Other Mineral Raw Materials, Belgrade, Serbia 2University of Belgrade, Technical Faculty, Bor, Serbia

Copper Mining and Extraction Sulfide Ores

The smelter for sulfide ores produces sulfur dioxide gas. This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores. Scrubbing sulfur dioxide also protects the environment. For example: FeO(s) + SiO 2 (s)→ FeO.SiO 2 (slag) …

Extraction of metals from sulphide ores is done by 1 ...

2020-10-16 · 1)Smelting is a process of applying heat to ore in order to extract a base metal. It is a form of extractive metallurgy. It is used to extract many metals from their ores, including silver, iron, copper, and other base metals. Hematite is one of the most abundant minerals …

Recovery of copper from copper-containing sulfide ores ...

2016-4-12 · A process for recovering copper from copper sulfide minerals, the method comprising the steps of leaching copper sulfide minerals with an aqueous solution of ammonium chloride containing cupric chloride at a temperature of between about 40° C. and ...

EXTRACTING METALS FROM SULFIDE ORES

Copper Mining and Extraction: Sulfide Ores Answers. 1. Place these products in the extraction process in ascending order of copper content. 2. Use a periodic table to find the atomic masses of the elements in cuprite and chalcocite. Then work out the percentage of copper in each mineral. Don''t forget to double the copper …

(PDF) Solvometallurgical process for extraction of copper ...

2019-11-5 · Extraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations. In this study, a solvometallurgical process for the extraction of copper from sulfidic ...

Metals Extraction from Sulfide Ores with Microorganisms ...

2019-1-2 · Metals extraction with microbes is not a novel approach; it has been applied for centuries; however, mechanism stays unknown. Isolation of A. ferrooxidans proves the role of microorganism in leaching. Today, A. ferrooxidans is most extensively characterized and commercially used for bioleaching [].Since 1970s, the number of microorganisms that is involved in metals sulfide oxidation has ...

(PDF) A Review of the Flotation of Copper Minerals

Sulphide ores are the major sources of base metals like Copper, Lead, Zinc, Nickel and Cobalt. Beneficiation of. these base metal sulphide minerals is predominantl y through the froth flotation ...

Solvometallurgical process for extraction of copper from ...

2019-12-13 · Extraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations. In this study, a solvometallurgical process for the extraction of copper from sulfidic ore minerals (chalcopyrite, bornite, chalcocite and …

Extraction Of Copper From Sulfide Ore | MiningPedia

2021-9-30 · Type of copper sulfide ore. Before learning about the beneficiation flow, you need to know, according to the structure of the ore, copper sulfide ore can be divided into the following two types: one is dense massive copper sulfide ore, and the other is disseminated copper sulfide ore. For the difference in the two type of ore, the extraction of ...

LIST OF ORES AND THEIR NAMES SULPHIDE ORE

2021-5-27 · LIST OF ORES AND THEIR NAMES SULPHIDE ORE PbS Galena HgS Cinnabar ZnS Zinc blende Cu2S Copper glance CuFeS2 Copper Pyrites (Chalcopyrite) FeS2 Iron pyrites or Fool''s gold Ag2S Silver glance or Argentite Cu2S.Ag2S Copper silver glance Ag2S.Sb2S3 Pyrargirite or Rubisilver HALIDE ORE NaCl Rock Salt KCl Sylvine

Copper Extraction and Purification | ChemKey

2021-7-25 · When copper is made from sulfide ores by the first method above, it is impure. The blister copper is first treated to remove any remaining sulfur (trapped as bubbles of sulfur dioxide in the copper – hence "blister copper") and then cast into anodes for refining using electrolysis.

Advances in high-temperature heap leaching of …

2012-12-13 · of refractory copper sulphide ores by S.W. Robertson*, P.J. van Staden*, and A. Seyedbagheri* Synopsis Acid heap leaching has been extensively applied to the processing of copper oxide ores, with recovery of copper by solvent extraction and electrowinning. Heap leaching has also been extended to the

Extraction of copper from complex carbonaceous sulfide …

1. Introduction. The complex carbonaceous sulfide ore is categorized under the sediment-hosted stratiform copper deposits which account for about 20–25% of the world''s copper production and reserves (Hitzman et al., 2005, Misra, 2000).Carbonaceous sulfide ores host polymetallic minerals characterized by carbonates (dolomite, calcite, magnesite, etc.) and carbonaceous materials …

Copper Mining and Processing: Processing Copper Ores ...

Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99.99% pure copper called cathodes, which will ultimately be made into products for everyday use.The most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and pyrometallurgy, respectively, due to the different ...

Copper Mining and Extraction: Sulfide Ores Answers

Copper Mining and Extraction: Sulfide Ores Answers. 1. Place these products in the extraction process in ascending order of copper content. 2. Use a periodic table to find the atomic masses of the elements in cuprite and chalcocite. Then work out the percentage of copper in each mineral. Don''t forget to double the copper …