method for processing pyritic concentrate containing gold copper
C22B 30 - Obtaining antimony, arsenic or bismuth - Patents ...
CN104278154A A method of pretreatment of gold concentrate containing ... multi-metal smelting copper ash recovery process : ... Method for processing ...read more
US3998628A - Method for selectively dissolving non-ferrous ...
A method for selectively dissolving non-ferrous metals contained in pyritic ores by the steps of crushing the ores, introducing the crushed ore at a temperature above the ambient temperature into a reaction vessel containing a solution of chlorides of a metal having two valance states, and injecting gaseous chlorine into the reaction vessel at a rate such that the oxido-reduction potential of ...read more
copper concentrate processing kosovo
The copper concentrate processing equipment needed in copper ore processing is complex because of the different property of copper concentrate. However, the main copper processing equipment for copper ore is same as other mining processing steps, including crushing, grinding, flotation separating and …read more
Gold Prospecting for Fine Micron Flour Gold Concentration ...
Jan 31, 2010· For the recreational gold prospector it is by far the most inexpensive and easiest means to capture and concentrate micron gold dust & larger …read more
Methods of Processing of the Gold-Containing Refractory ...
Alternative methods of processing the refractory gold-sulfide ores and concentrates were worked out. The gold-containing refractory sulfide ores of chalcopyrite, pyrite, barite-polymetallic, quartzites, copper-zinc, antimonite were used in the research. As a result of investigation, the optimalread more
US4353740A - Chlorine extraction of gold - Google Patents
A process for treating a particulated gold bearing ore to recover the gold therein is disclosed. The process includes roasting the ore to remove sulfides as sulfur dioxide followed by chlorination of the ore at a temperature of about 350° C. in the presence of iron to form a mixture of volatile gold chlorides and volatile gold-iron chlorides in the chlorine off gases followed by condensing ...read more
Copper extraction - Wikipedia
One prevalent form of copper concentrate contains gold and silver, like the one produced by Bougainville Copper Limited from the Panguna mine from the early 1970s to the late 1980s. The typical contract for a miner is denominated against the London Metal Exchange price, minus the TC-RCs and any applicable penalties or credits.read more
Two-step biohydrometallurgical technology of copper-zinc ...
Two-step biohydrometallurgical technology of copper-zinc concentrate processing as an opportunity to reduce negative impacts on the environment ... the culture was enriched from acid mine drainage of the copper-zinc pyritic waste of the Gaiskiy ... The third culture was enriched from an industrial flotation sulfidic concentrate of gold-bearing ...read more
Barrick Gold Corporation - New Technology Uses Salt Or ...
Patented process in use at Saudi Arabia mine and in Chile Flotation froth of copper concentrate during laboratory testing in Santiago, Chile Barrick has developed and patented a new flotation process that can produce copper concentrates from copper or copper-gold ores using salt or brackish water. The new process, an air-metabisulfite treatment, does not require lime or cyanide. The innovation ...read more
Method For Processing Pyritic Concentrate Containing Gold
METHOD FOR PROCESSING PYRITIC CONCENTRATE CONTAINING GOLD, COPPER AND ARSENIC ... A first aspect of the present invention provides a method for obtaining a gold concentrate from a leach residue obtained by subjecting a gold-bearing copper sulfide mineral such as a copper ...read more
Rock Crushing methods and How to recover gold from Ores
Information on Rock Crushing methods and How to recover gold from Gold and Silver Ores: . Hand Crushing and Processing Rich Ores. ... There are collectors who will pay top dollar for beautiful mineral specimens that contain significant gold. I have done a full webpage to discuss the best ways of getting top dollar for ...read more
Copper Ore Processing Methods
Copper Ore Processing Methods. Previous Next ... production of concentrates other than copper concentrates from plants essentially copper plants—for example, the production of pyrite concentrates by the Britannia Mining Co., the production of zinc concentrates at the Flin Flon and Sherritt Gordon plants, and the production of nickel-copper ...read more
Separation Process of Gold Concentrate From Rocks
Then the results of this process is a concentrate containing gold ore with great content, and mud washing consisting of mineral impurities in gold ore. Further processed to concentrate the gold extraction process. Froth Flotation / Separation flotation Flotation is a separation process used to produce copper-gold concentrate.read more
Gold and silver metallurgist - Home
The silver content of about 16 ounces occurs as native silver globs, wire and the mineral argentite. After flotation of lead and zinc concentrates, the tailings are cyanided for gold and silver recovery. The great Huelva pyritic copper deposits of Spain carry a little gold and silver.read more
Copper Concentrates - Cargo Handbook - the world's largest ...
Copper concentrate is the first commercial product of the copper production line and is composed of approximately equal parts of copper, iron and sulfide. Concentrates are the raw material for all copper smelters, which by processing it obtain an impure form of metallic copper, anode or blister copper, which is later used to produce high purity ...read more
(PDF) Nitric Acid Leaching for Pre-Treatment of a Copper ...
The extraction of gold/silver from a copper-bearing pyritic gold concentrate (62 g/t Au, 110 g/t Ag and 0.3% Cu) in thiosulphate solutions was investigated in this study. ... method to cyanide ...read more
Control of Sulfur Dioxide Emissions From Copper Smelters ...
----- CONTROL OF SULFUR DIOXIDE EMISSIONS FROM COPPER SMELTERS BY STEAM OXIDATION OF PYRITIC COPPER CONCENTRATES Prepared for THE ENVIRONMENTAL PROTECTION AGENCY CONTROL SYSTEMS LABORATORY DEVELOPMENT ENGINEERING BRANCH and THE PHELPS DODGE CORPORATION Under Contract Number 68-02-0025 June …read more
Gold extraction - Wikipedia
Gold extraction refers to the processes required to extract gold from its ores.This may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore.. Gold mining from alluvium ores was once achieved by techniques associated with placer mining such as simple gold panning and sluicing, resulting in direct recovery of ...read more
ALTA Gold 2012 E-Doc - Albion Process
EVALUATING PROCESS OPTIONS FOR TREATING SOME REFRACTORY ORES By ... commonly known as arsenian pyrite and can contain gold in its structure. Rimming of pyrite with ... Attempts to improve gold recovery and reduce mass in the concentrate with NaSH and or copper sulphate addition were unsuccessful. Further work investigating fine grinding and aread more
method for processing pyritic concentrate containing gold
May 10, 2017· copper concentrate processing kosovo. copper concentrate processing kosovo,Copper Concentrate Processing Kosovo , method for processing pyritic concentrate containing gold , A method for processing pyritic copper sulphide . 24/7 online How copper is made material, used, processing… Get Priceread more
(PDF) RECOVERY OF SILVER FROM CYANIDE LEACH SOLUTIONS …
Cyanide leaching has proved the most efficient method for extraction of gold and silver from their ores. ... of a pyritic gold concentrate (62 g/t) containing high levels of silver (110 g/t) (3 g ...read more
A Poor Man's Method of Smelting Gold | Sciencing
A Poor Man's Method of Smelting Gold ... You can remove the most common metals found in gold ore (copper, zinc and lead) using 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 float to the top of your ...read more
TACKLING IMPURITIES IN COPPER CONCENTRATES
TACKLING IMPURITIES IN COPPER CONCENTRATES *Henry Salomon-de-Friedberg1 and Tom Robinson1 ... case studies are presented for dealing with copper concentrates that contain ... indicative but not necessarily representative of the concentrates. One processing approach is a selective leach of mercury from these concentrates. However, becauseread more
Gold processing - Refining | Britannica
Gold processing - Gold processing - Refining: Gold extracted by amalgamation or cyanidation contains a variety of impurities, including zinc, copper, silver, and iron. Two methods are commonly employed for purification: the Miller process and the Wohlwill process. The Miller process is based on the fact that virtually all the impurities present in gold combine with gaseous chlorine more ...read more
Post-regrind selective depression of pyrite in pyritic ...
Mar 01, 2015· The pyritic copper–gold ore used in this study was obtained from a copper–gold mine in Asia. The pyrite rougher concentrate was obtained by two-stage copper and pyrite rougher flotation using the conditions in Table 1 and reported in Agorhom et al. (2013).However, in the present studies, the focus is to examine flotation depression of pyrite after regrinding the combined pyrite rougher ...read more
Concentrate - Boliden
The above concentrates contain platinum and palladium in different quantities. ... the energy-saving flash smelting method for copper concentrates that was developed in Boliden Harjavalta back in 1949 is today the world's most used method for smelting copper concentrates. ... Au Gold. Ag Silver. H 2 SO 4 Sulphuric acid. Concentrate. By-products ...read more
Gold processing - Mining and concentrating | Britannica
Gold processing - Gold processing - Mining and concentrating: The nature of the ore deposit determines the mining and mineral processing techniques applied. Oxide ore deposits are frequently of such low grade (e.g., 3 to 10 parts per million) that extensive mineral processing cannot economically be …read more
Gold - CONCENTRATION OF MINERALS - Google Sites
Composition of natural gold includes the following admixtures: silver, copper, lead, bismuth, antimony, iron, tellurium, and arsenic. Impurity complicates the selection process of method for gold separation and development of technology to extract gold. Impurity reduces the value of gold …read more
PT Freeport Indonesia (PTFI) currently employs two mining ...
PT Freeport Indonesia (PTFI) currently employs two mining methods, the open-pit mining method in Grasberg, and underground mining. ... This is followed by a flotation process using a reagent based on alcohol and lime to separate concentrate containing copper, gold and silver minerals. The residue with no economic value (tailings) is channeled ...read more
COPPER Copper production - TU Delft
Separation of special copper ores such as those containing molybdenite or with high zinc or lead content (Canada) is also possible by flotation methods. Flotation of non-sulfide copper minerals is rare because these ores are mostly subjected to hydrometallurgical copper …read more
How to Separate Gold from Pyrite
This method of oxidation seems to be decidedly inferior to the alternative plan of roasting the sulphides, by which the oxidation is rendered more complete and the particles of gold agglomerated to some extent. However, the amalgamation of pyrites, even when roasted, is far from perfect, […]read more
Copper. One more ore processing - YouTube
Mar 29, 2017· Copper and zinc alloy is known as brass. Copper and tin give us bronze, and alliance with nickel turns copper into melchior. Copper presents in Olympic medals of two values. Bronze medal contains ...read more
Gold processing 101 - Mining Magazine
Gold/silver base metal concentrate deportment. Smelters typically pay >95% (Au) and 90% (Ag) in copper and lead concentrates, but will only pay 60-70% (maximum, depending on degree of Pb/Zn smelter integration) for gold and silver in zinc concentrates. Cost drivers are also important in flowsheet selection, and are summarised in Table 3.read more
Complex Sulfides Processing of Ores Concentrates and By ...
Complex Sulfides Processing of Ores Concentrates and By-Products. $49.95. Complex Sulfides Processing of Ores Concentrates and By-Products. $49.95. Weight: 3.00 LBS Shipping: Calculated at checkout ... Metallugical Characteristics of the Zinc-Lead-Copper-Silver-Gold-Pyritic Ores;read more
Rcovery of gold in pyritic ores - Mine Engineer.Com
information on pyrtiric gold, leach . Recovery of Gold in Pyritic Sulfide Ores The now extinct Us Bureau of Mines conducted numerous studies of gold in pyrite, and sulfide ores over the years, until their untimely demise in the 1990's.read more
Translate pyritic in French with contextual examples
Contextual translation of "pyritic" into French. Human translations with examples: soufre pyriteux.read more