Ineed An Alternative Gold Processing System For Sulfide Ores

Processing ability: 0.26–30 m³

Diameter: 240–850 mm

Sand making machine is high-efficiency rock crushing equipment with domestic and international leading level; the machine is developed by introducing the crushing theory and technology from Barmac Company of America and combining the actual situation of sand making.

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  • Flexicone Technology For Sulfide Oresflexicone

    Flexicone Technology For Sulfide Oresflexicone

    This technology makes it possible to operate the system under less corrosive conditions with a lower chloride concentration and can be used as an alternative to cyanide To activate the process of dissolving gold and reduce the consumption of reagents in our technology ultrasonic reactors are used

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  • Methods Of Processing Of The GoldContaining

    Methods Of Processing Of The GoldContaining

    Alternative methods of processing the refractory goldsulfide ores and concentrates were worked out The goldcontaining refractory sulfide ores of chalcopyrite pyrite baritepolymetallic quartzites copperzinc antimonite were used in the research As a result of investigation the optimal

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  • Sulfide Ore Concentration And Treatment

    Sulfide Ore Concentration And Treatment

    Table of ContentsGeologyCove Sulfide MineralizationMetallurgy of Cove Sulfide DepositMilling CircuitLead FlotationPyrite FlotationReagents Geology The ore deposits are hosted by the platform carbonate and lesser siliclastic sedimentary rocks of the Triassic Star Peak Group The McCoy gold deposit is a proximal skarn developed principally in limestone of the upper Smelser Pass Member of

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  • Process For Treating Refractory Gold Ores By Roasting

    Process For Treating Refractory Gold Ores By Roasting

    Process for treating refractory gold ores by roasting under oxidizing conditions Article in Minerals and Metallurgical Processing 17116 · February 2000 with 868 Reads How we measure reads

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  • Gold Extraction And Recovery Processes

    Gold Extraction And Recovery Processes

    The flotation process in general does not float free gold particles but is particularly effective when gold is associated with sulfide minerals such as pyrites In a typical pyrytic gold ore the gold is encapsulated within an iron sulfide crystal structure Highly oxidized ores generally do not respond well to flotation

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  • Gold Ore Processingproject Development And Operations

    Gold Ore Processingproject Development And Operations

    ContentsSummary Heap Leaching of Gold and Silver Ores Chapter 26 Advances in the Cyanidation of Gold Chapter 27 Alternative Lixiviants to Cyanide for Leaching Gold Ores Chapter 28 Thiosulfate as an Alternative Lixiviant to Cyanide for Gold Ores Chapter 29 Chloride as an Alternative Lixiviant to Cyanide for Gold Ores Gold Recovery Chapter 30

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  • Small Scale Treatment Of PM Sulfide OresGold Refining

    Small Scale Treatment Of PM Sulfide OresGold Refining

    Mar 25 2018 · No matter what else you do to process sulfide ore the next step after crushing is concentration of the ore Most large companies do this through flotation or as Chris mentioned a bank of tables For us small guys on a budget this is a really good alternative that works well Ron 2 Reduce the bulk of the ore

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  • Gold Ore ProcessingScienceDirect

    Gold Ore ProcessingScienceDirect

    Abstract Elements specific to gold ore processes such as dry grinding for roasting operations security considerations for gold milling reagent additions and integration of mineral processing steps in the comminution circuit are also addressed

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  • Gold Mining Process Development – Denver Mineral

    Gold Mining Process Development – Denver Mineral

    One major category of refractory ores are gold values contained within the crystalline structure of sulfide minerals such as pyrite and arsenopyrite For cyanide to leach gold the cyanide solution must come into direct contact with gold molecules With many sulfide ores the ore cannot practically be

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  • Oxidative Hydrometallurgy Of Sulphide Minerals

    Oxidative Hydrometallurgy Of Sulphide Minerals

    Sulphide minerals as pyrite FeS2 chalcopyrite and CuFeS2 are one of the most important sources of value metals such as gold silver copper zinc etc Due to the strong sulfur binding to these minerals metals are usually extracted by metallurgical process of chemical oxidation

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  • Gold Ore Processing Volume 152nd Edition

    Gold Ore Processing Volume 152nd Edition

    Gold Ore Processing Project Development and Operations Second Edition brings together all the technical aspects relevant to modern gold ore processing offering a practical perspective that is vital to the successful and responsible development operation and closure of any gold ore processing completely updated edition features coverage of established newly implemented

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  • Processing Smelting And Refining GoldWorld Gold Council

    Processing Smelting And Refining GoldWorld Gold Council

    The Miller process uses gaseous chlorine to extract impurities when gold is at melting point impurities separate into a layer on the surface of the molten purified gold The Miller process is rapid and simple but it produces gold of only about 995 percent purity The Wohlwill process increases purity to about 9999 percent by electrolysis

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  • Gold ExtractionWikipedia

    Gold ExtractionWikipedia

    Gold extraction refers to the processes required to extract gold from its 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

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  • Nickel ProcessingExtraction And RefiningBritannica

    Nickel ProcessingExtraction And RefiningBritannica

    Nickel processing Nickel processing Extraction and refining The extraction of nickel from ore follows much the same route as copper and indeed in a number of cases similar processes and equipment are used The major differences in equipment are the use of highertemperature refractories and the increased cooling required to accommodate the higher operating temperatures in nickel

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  • Thiosulphate As An Alternative To Cyanide For Gold

    Thiosulphate As An Alternative To Cyanide For Gold

    AbstractThiosulphate is an attractive alternative reagent to cyanide for processing gold ores It is relatively cheap and nontoxic forms relatively strong gold and silver complexes and readily leaches gold ores in ammoniacal solutions catalysed by CuII It is particularly suited to carbonaceous ores where the recovery of gold by cyanide is poor

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  • Gold Extraction Method Replaces Cyanide With Non

    Gold Extraction Method Replaces Cyanide With Non

    Apr 30 2018 · Sulfide 994 Mercury 987 Copper 95 Gold 949 The environmental advantages of this revolutionary process are significant It not only avoids the hazards of cyanide but also eliminates the need for tailings ponds and reduces water usage and overall process footprint

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  • The Mining Processnewmont

    The Mining Processnewmont

    For example ore that has a high level of sulfide minerals or carbon or both is called refractory ore Refractory ore resists normal processing methods as the high sulfide minerals trap gold particles making it difficult for the cyanide to reach the gold and leach it Heating To leach gold from refractory ore it must be subjected to high temperature high pressure andor oxygen Newmont Goldcorp treats refractory

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  • Effect Of Additives On Thiosulfate Leaching Of A Gold Ore

    Effect Of Additives On Thiosulfate Leaching Of A Gold Ore

    Experience ore mineralogy is known to affect thiosulfate leaching of gold and the stability of thiosulfate and gold thiosulfate species Specifically sulfide minerals retard gold leaching and catalyse the degradation of thiosulfate and gold thiosulfate Other reductants eg carbonaceous matter have

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  • Optimisation Of Gold Recovery By Selective Gold Flotation

    Optimisation Of Gold Recovery By Selective Gold Flotation

    Feb 01 2001 · Gold flotation is often overlooked as a processing option as the precious metal is viewed as being associated with the sulphide particles present in the ore even when a proportion of the gold is free Gold does float readily however and the free gold can be selectively floated away from an ore containing sulphides

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  • Process Gold From Concentrated OresSolution For Ore Mining

    Process Gold From Concentrated OresSolution For Ore Mining

    The process according to the invention thus relates to a process for enhanced separation of gold and silver from complex concentrated sulfide ores and concentrates Gold Ore Processing

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  • Alternative Ore Grinding MethodsBINQ Mining

    Alternative Ore Grinding MethodsBINQ Mining

    Dec 01 2012 · gold processing methods – crushing and grinding plant solutions Alternative Ore Processing Newmont Mining Corporation Refractory ore resists normal processing methods as the high sulfide minerals trap gold particles making it More detailed

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  • New Technology For Recovery Of Gold And Silver By

    New Technology For Recovery Of Gold And Silver By

    New Technology for Recovery of Gold and Silver by Pressure Cyanidation Leaching and Electrocoagulation Refractory goldsilver ores contain precious metals locked up in a matrix of pyrite andor such alternative process that has previously been used successfully around the world is that

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  • The Borax Method Of Gold Extraction For SmallScale

    The Borax Method Of Gold Extraction For SmallScale

    Finetuned each step of the process from crushed ore to gold pellet Their method is as follows The first step after crushing the ore is milling This takes place in metal drums with hard metal rods or balls No mercury is added After milling the groundup ore is flushed into a sluice There are a variety of sluices

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  • How To Use Bleach On Gold Ore To Remove GoldSciencing

    How To Use Bleach On Gold Ore To Remove GoldSciencing

    Apr 24 2017 · The chlorine reacts with the gold inside the ore to form gold chloride Filter the ore and bleach solution to remove all the impurities such as soil and rock fragments Collect the filtered gold chloride solution in a flask Place powdered sodium metabisulfate in another

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  • Treatment Of Copper Ores And Concentrates SpringerLink

    Treatment Of Copper Ores And Concentrates SpringerLink

    Given its advantages this may prove to be a feasible process alternative for the future In this article the history of the system and its application to copper concentrates and ores will be outlined In particular a noncyanide methodology for effective recovery of precious metals from chalcopyrite concentrates will be discussed

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  • PRESSURE LEACHING

    PRESSURE LEACHING

    A “medium” temperature process where sulfides were oxidized at 150o C and approximately 1400 kPa using oxygen Its’ success resulted in the construction of an additional plant at the Flin Flon mine 1993 A major revolution in gold processing was the pressure oxidation of refractory pyritic ores In these ores gold is chemically

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  • Rock Crushing Methods And How To Recover Gold From Ores

    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 Nevada Outback Gems Hand Crushing and Processing Rich Ores you will need some sort of automated system to process your crushed materials If you really are going to be working with ores from a hard rock mine perhaps the best method for the small minor

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  • PYRITE ROASTING AN ALTERNATIVE TO SULPHUR

    PYRITE ROASTING AN ALTERNATIVE TO SULPHUR

    PYRITE ROASTING AN ALTERNATIVE TO SULPHUR BURNING M Runkel and P Sturm Outotec GmbH Oberursel GERMANY pyrites and iron sulfide ores still constitute today an important raw excess heat is developed during the roasting process in the fluid bed system and is

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  • The Leaching And Adsorption Behaviour Of Gold Ores

    The Leaching And Adsorption Behaviour Of Gold Ores

    And seven carboninleach tanks The effect of processing the oxide and sulphide ores studied was examined and the model shown to satisfactorily describe the extraction of gold from the Telfer oxide ore A sensitivity analysis of the effect of process changes on this ore was then undertaken where the correct operating response to pregrobbing

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  • Thiosulphate As An Alternative To Cyanide For Gold

    Thiosulphate As An Alternative To Cyanide For Gold

    AbstractThiosulphate is an attractive alternative reagent to cyanide for processing gold ores It is relatively cheap and nontoxic forms relatively strong gold and silver complexes and readily leaches gold ores in ammoniacal solutions catalysed by CuII

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