16 Nov
copper slag from gold ore processing

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Characterization of copper smelter slag and recovery of residual .The pyrometallurgical copper extraction process generates 2.2 t of residues for each ton of produced metal. Initia- lly, this paper shows the physical and chemical characterization of a copper processing residue, followed by the procedure to obtain the gold and silver that are contained in the copper residue.copper slag from gold ore processing,copper slag from gold ore processing,US3868440A - Recovery of metal values from copper slag - Google .A hydrometallurgical process for treating slag material, especially copper smelter slag material, comprises vigorously mixing the slag material with about one part by . The slag material normally contains appreciable amounts of various metal values, including (depending on the nature of the ore) copper, iron, zinc, lead, and.Management of copper pyrometallurgical slags - Semantic Scholarextraction. This waste contains interesting amounts of compounds with an important commercial value. The objective of this work is to identify the best-oriented . In this work, a global characterization of copper pyrometallurgical slags produced and disposed . zinc, molybdenum and noble metals such as gold and silver.

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Comments on copper slag from gold ore processing

Gold Smelting & Refining Process - 911 Metallurgist

Oct 23, 2017 . Gold Alloys; Gold Melting Points; Retorting; Gold Smelting; Gold Refinery Slag; Refining Gold; Gold Assay; Flux; Melting Gold; Cupellation . The treatment of these products depends on the metallurgical extractive process of lead and copper. Gold . Metal/Mineral, Au, Ag, Cu, Hg, Zn, Pb, SiO2, FeS2, Al2O3.

WO2012053915A1 - A process of gold and copper recovery from .

The present invention relates to a process of gold and copper recovery from gold-containing copper ores obtained from mixed oxide-sulfide copper ore bodies by . For example, US Patent 4,022,686 provides a flotation process for copper sulfide and copper oxide ores and for copper smelter slags, wherein benzotriazole or.

Characterization of copper smelter slag and recovery of residual .

The pyrometallurgical copper extraction process generates 2.2 t of residues for each ton of produced metal. Initia- lly, this paper shows the physical and chemical characterization of a copper processing residue, followed by the procedure to obtain the gold and silver that are contained in the copper residue.

Management of copper pyrometallurgical slags: giving . - SAIMM

extraction. This waste contains interesting amounts of compounds with an important commercial value. The objective of this work is to identify the best-oriented . In this work, a global characterization of copper pyrometallurgical slags produced and disposed . zinc, molybdenum and noble metals such as gold and silver.

Characterization of Slags Produced During Gold Melting Process

In the extractive metallurgy of gold ores the cyanidation and melting processes are generally applied. These processes allow obtaining .. is presented in Table 1. Table 1. Composition of the slag samples from the gold melting process. Sample. Ca. (ug/g). Mg. (ug/g). Na. (ug/g). K. (ug/g). Si. (ug/g). Pb. (ug/g). Cu. (ug/g). Fe.

Recovery of Gold and Silver from Tin-Rich Slag: Mineral Processing .

To extract gold and silver from a copper anode slime with about 15% tin in a plant using the traditional pyrometallurgy-electrorefining technique, the recovery is only 90%. The rest of the gold and silver is lost in the slag which contains mainly SnO2, PbO, and Sb2O3 In the present work, a process is developed to recover the.

WO2012053915A1 - A process of gold and copper recovery from .

The present invention relates to a process of gold and copper recovery from gold-containing copper ores obtained from mixed oxide-sulfide copper ore bodies by . For example, US Patent 4,022,686 provides a flotation process for copper sulfide and copper oxide ores and for copper smelter slags, wherein benzotriazole or.

A Poor Man's Method of Smelting Gold | Sciencing

Mar 13, 2018 . The most common metals found in gold ore are copper, zinc and lead. To remove these you will need to have elements that bond with oxygen at lower temperatures than gold. This oxidation process will make copper oxide, zinc oxide and lead oxide — all of which are less dense than pure gold and will.

Smelting and Gold Refining Part 1: Smelting sulfides and black .

Aug 17, 2015 . This is a video showing one potential way to recover the gold and silver values from the sulfide and black sand concentrates that come off our shaker table . Copper for further use in your process, and the Precious Metals recovered as a sludge in the bottom of the Copper Refining Cell, which can be further.

CA2798302A1 - Process for recovering valuable metals from .

In general, the processes for treating the precious metal smelting slag is that slag returns to the lead smelting system or copper smelting system of smelting plant to further recover gold and silver. However, neither the lead smelting system nor the copper smelting system can realize a comprehensive recovery of precious.

A High Temperature Process for Extracting Valuable Metals from .

May 25, 2009 . electronic scraps (WEES) which contain considerable amounts of valuable metals such as copper, tin, gold, and silver. In present work, a novel process to extract valuable metals such as copper and tin from WEES by smelting with the addition of waste copper slag as a slag formative has been developed.

Plasma Smelting of Unconventional Ores and Mine . - Tetronics

ore that do not fit easily into a traditional processing flowsheet, e.g. because the refractory nature of their . and initial precious metal concentrations, whilst generating an inert slag-based material as a by-product (even . The extraction of gold from its ores by various forms of cyanide leaching has been practised by the.

Gold processing | Britannica

The mining of alluvial deposits and, later, lode or vein deposits required crushing prior to gold extraction, and this consumed immense amounts of manpower. . Amalgamation is accomplished by passing a slurry of ore over copper plates coated with mercury, by mixing a slurry of ore and mercury in a cylindrical or conical.

Guidance on best available techniques and best environmental .

Non-ferrous metal smelting subgroup (copper, gold, lead and zinc). BAT/BEP Guidance and Case Studies. Summary. The main aim of the smelting process is to convert metal concentrates from their native state into pure metals; hence, smelting is a form of extractive metallurgy. Metals commonly exist in nature as oxides,.

copper slag from gold ore processing,

GOLD MINING AND PROCESSING | Facts and Details

Describing the mining process, Thomas O'Neil wrote in National Geographic, "Shivering in the cold wind.I watched trucks with tires ten feet high haul out ore that would be processed into a gray concentrate of copper, gold and silver. The mix, piped in a slurry from down the mountain to the private seaport of Amamapare,.

Distribution of Precious Metals During the Reducing . - IntechOpen

Feb 1, 2012 . minor elements associated with base metal sulphide concentrates such as copper, lead and nickel, including arsenates, tellurides or antimonates, in fact, it is a common operational practice to use gold and silver siliceous ores as slag-forming fluxing agent in pyrometallurgy processes. When base metals.

gold and silver - EPA

minerals are rare. Gold is commonly associated with the sulfides of antimony, arsenic, copper, iron, and silver.3. B. Generalized Process Description. Precious metals may be recovered from the ore or from refining processes of base metals such as copper and lead. Because these are distinct and separate recovery methods.

Innovative process for the recovery of gold from mining waste - Cnr

resources and the costs of extraction (Ubaldini et al., 1995; Ubaldini et al., 1996; ANMR,. 2011; Geological Romanian Institute, 2011). The deposits of tailings, left on the land by mining during his exercise, containing 24.5 million tonnes of slag resulting from the treatment of ore copper, or more than 10 million cubic meters of.

COPPER 99 - TMS

ferric ion, which can be effected in-situ (direct pro- cess) or ex-situ (indirect process) using SO2/O2. Ex- amples are presented for the treatment of copper con- centrates by agitation leach and of copper ores by heap leaching. Application of the process to cop- per gold ores and chalcopyrite concentrates is also discussed.

Technical Resource Document: Extraction and Beneficiation of Ores .

Jan 14, 1992 . NTIS PB94-200979. TECHNICAL RESOURCE DOCUMENT. EXTRACTION AND BENEFICIATION OF. ORES AND MINERALS. VOLUME 4. COPPER. August 1994 . EPA's Profile of the copper industry; the remaining sections are Reports from several .. 4-30. 4.3.2. Smelter Slag and Reverbatory Bricks .

Outotec provides concentrator technology for slag treatment project .

Feb 16, 2012 . Potrerillos smelter uses Codelco Teniente Converter technology for further refining copper after the smelting. The slag from this process contains 8-11% of copper. In the new concentrator the slag will then be processed to maximize copper recovery and metallurgical yield. The new plant will process 1,700.

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