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Copper ore huiatt

  • Cyanide Destruction in Gold Heap Leach

    Jun 13, 2017· Ore is stacked and leached in successive lifts or benches on the pad. Sprinkler systems set within and on the surface of the lift to be leached deliver a high pH sodium cyanide solution that, in its percolation through the ore, forms stable complexes with gold, silver, cobalt, iron, copper, nickel, zinc, and cadmium.

  • Potential for recovery of rutile and other byproducts from

    "The Bureau of Mines studies tailings samples from 11 large-scale western copper operations to determine the potential for recovery of rutile and other critical and strategic minerals. Up to 15 pounds per short ton (lb/st) ti02 was found in these samples; however, only 9 to 44 pct of the tio2 was liberated rutile.

  • ore recovery ore supplier ore gold processing methodss

    ore recovery ore supplier ore gold processing methodss,refractory gold ore treatment methodsjan 11, 2018 · the albion process , now marketed by glencore technology, has successfully increased gold and silver recovery from around 30% using conv

  • Separation of molybdenite from its mixture with other

    The copper concentrate contains the majority of the copper and molybdenum content of the original ores plus some iron sulfides and some portion of the original host rock, usually referred as gangue. The composition of a copper concentrate may vary greatly, but in typical operations such concentrates contain from about 10 to about 35 percent by

  • Effects of sodium thiosulphate on chalcopyrite and

    Jan 25, 2012· There are two major arsenic-bearing minerals in copper ores, enargite (Cu 3 AsS 4) and tennantite (Cu 12 As 4 S 13). These minerals are usually found in association with chalcocite (Cu 2 S), covellite (CuS), or chalcopyrite (CuFeS 2).

  • (PDF) Batch Equilibrium Adsorption of Cyanides from

    heterogeneity that becomes m ore heterogeneous as . its value gets closer to zero [18]. Huiatt JL, Kerrigan JE, Olson FA and Potter removal of copper and zinc in wastewater was studied by

  • heap leaching with lead ore high efficiency

    Copper oxide ore value chain Outotec. Copper oxide ore. WEEE, Low grade and secondary copper; Outotec has world leading technology for copper recovery from heap leaching operations (oxidic copper leaching). and copper electrowinning technologies are highly robust and can accept variable feed solution composition and yield high quality LME A

  • NIOSHTIC-2 Publications Search - 10003007 - Effect of

    The Bureau of Mines conducted research to determine the effects of potassium trithiocarbonate (kttc), a degradation product of potassium ethylxanthate (kex), on flotation of chalcopyrite and molybdenite. Small amounts of kttc were identified in fresh and aged solutions of kex using thin-layer chromatography. Hallimond tube flotation tests on pure minerals showed that kttc acts as a weak collecto

  • Recovery of Silver, Gold, and Lead From a Complex Sulfide

    RECOVERY OF SILVER, GOLD, AND LEAD FROM A COMPLEX SULFIDE ORE USING FERRIC CHLORIDE, THIOUREA, AND BRINE LEACH SOLUTIONS By R. G. Sandberg 1 and J. L. Huiatt 2 ABSTRACT The Bureau of Mines investigated a hydrometallurgical procedure to re­ cover gold, silver, and byproduct lead from a complex lead-zinc sulfide ore.

  • how to mine reactive sulphide ore - AnnaSweetHome

    Extract sulfide ore deposits from the ground and place in to the crusher to mince ore from 5 to 50 micrometers Crushing begins the separation process by preparing the ore to be floated in water First the ore is crushed using a gyratory crusher to reduce the ore to 6inch diameter pieces. Oxide Sulfide Copper Ores Leaching

  • Effect of pH and diethyl dithiophosphate (DTP) treatment

    Sep 20, 2011· There are two major arsenic-bearing minerals in copper ores, enargite (Cu 3 AsS 4) and tennantite (Cu 12 As 4 S 13). These minerals are usually found in association with chalcocite (Cu 2 S), covellite (CuS), or chalcopyrite (CuFeS 2). Among those minerals, it

  • Potential for recovery of rutile and other byproducts from

    "The Bureau of Mines studies tailings samples from 11 large-scale western copper operations to determine the potential for recovery of rutile and other critical and strategic minerals. Up to 15 pounds per short ton (lb/st) ti02 was found in these samples; however, only 9 to 44 pct of the tio2 was liberated rutile.

  • Cyanide Degradation and Detoxification in a Heap Leach

    Jul 01, 2017· water in typical spent ore (pH + 10.5), circulation of rainwater through the spent ore can depress the pH enough to convert free cyanide to hydrogen cyanide, which is then lost to the atmosphere by volatilization (Huiatt, et al., 1982). Data on cyanide

  • Pretreatment by electrolytic or oxidative leaching for

    Dalton R.F., Diaz G., Price R. and Zunkel AD. (1991) The Cuprex metal extraction process: recovering copper from sulfide ores. Journal of the Minerals, Metals

  • equipment for recovery of gold silver copper lead

    equipment for recovery of gold silver copper lead. Gold recovery correctly steps instructables,gold recovery correctly: will detail a safe process of turning old electronic parts into little round lumps of pure gold. like gold and silver, from base metals like lead, copper, zinc, arsenic, antimony or bismuth, present in the ore. breathing equipment. you will need a

  • Recovery of Silver, Gold, and Lead From a Complex Sulfide

    Nov 18, 2016· From a Complex Sulfide Ore Using Ferric Chlo rid e, Thiourea, and Brine Leach Solutions By R. G. Sandberg and J. L. Huiatt UNITED STATES DEPARTM ENT OF THE INTERIOR. Report of Investigations 9022 Recovery of Silver, Gold, and Lead From a Complex Sulfide Ore Using Ferric Chloride, Thiourea, and Brine Leach Solutions By R. G. Sandberg

  • (PDF) Three-body Impact Corrosion-Abrasion: Studying for

    A marked ball wear test (MBWT) was conducted in wet copper ore on a series of quenched, quenched and tempered, and normalized Fe-0. 90 C grinding balls

  • Unconventional column flotation of low-grade gold fine

    There have been numerous recent studies investigating the potential for reprocessing tailings ores using froth flotation for a variety of different ore types such as copper

  • Pretreatment by electrolytic or oxidative leaching for

    Dalton R.F., Diaz G., Price R. and Zunkel AD. (1991) The Cuprex metal extraction process: recovering copper from sulfide ores. Journal of the Minerals, Metals & Materials Society, August, 5156 Google Scholar

  • Influence of chelating reagents on leaching of copper ore

    Links with this icon indicate that you are leaving the CDC website.. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. Linking to a non-federal Website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website.

  • Considerations in the reclamation of cyanide heap leach

    Planning for the reclamation of spent ore dumps produced by cyanide heap leach processing should begin at an early stage during project feasibility studies and metallurgical testing. The key issues influencing the reclamation of cyanide heap leach dumps are site characteristics, the design of the heap leach facility, and the cyanide neutralization behavior of the ore. Water

  • how to recover silver from ore

    Silver Ore The Mining Processes that Transform Ore into. Dec 18, 2016 Silver is quite different from gold because it is nearly always found within ores that require specialized mining techniques to extract. Silver ore is one of the most important resources on Earth. After processing and refining silver is used for countless industrial uses today.

  • Evaluation of flotation collectors for copper sulfides and

    Aug 01, 1987· Copper ions exist naturally in most flotation pulps due to the dissolution of copper oxide or sulfide minerals, facilitated by the acidic nature of most as- mined ores. The presence of Cu~ in solution may also be expected to influence the flotation of copper sulfides or pyrite with xanthate collectors.

  • Cyanide Geochemistry and Detoxification Regulations

    percent from copper- and 30 percent from cadmium-cyanide complexes. It does not the spent ore and of the underlying bedrock, and the fracture density and (Huiatt et a1 ., 1982). Most heaps have an operational pH of about 10.5. Following decommissioning and

  • Jerry L. Huiatt Inventions, Patents and Patent

    Jerry L. Huiatt has filed for patents to protect the following inventions. Molybdenite (MoS.sub.2) is recovered from copper sulfide flotation concentrates by froth flotation utilizing steam-air injection into the concentrate flotation pulp at a temperature of about 70gree. to 100gree. C. in the presence of activated carbon and soluble

  • Base metal mineral flotation processes - Boc Gases

    Nov 24, 1995· Huiatt et al. 4011072: Flotation of oxidized copper ores: 1977-03-08: Holman et al. 3883421: Measurement of oxidation reduction potential in ore beneficiation: 1975-05-13: Comparative tests were conducted for six copper ore types A-F of different mineralogical character as follows:

  • how to recover silver from ore

    RECOVERY OF SILVER, GOLD, AND LEAD FROM A COMPLEX SULFIDE ORE USING FERRIC CHLORIDE, THIOUREA, AND BRINE LEACH SOLUTIONS By R. G. Sandberg 1 and J. L. Huiatt 2 ABSTRACT The Bureau of Mines investigated a hydrometallurgical procedure to re­ cover gold, silver, and byproduct lead from a complex lead-zinc sulfide ore.get price

  • Flotation of molybdenite - United States Borax & Chemical

    Thus, when a copper sulfide ore having a minor amount of molybdenite is subjected to flotation, a much larger amount of reagent is required. If the ore is a primary molybdenite ore or molybdenite concentrate containing small amounts of copper sulfide, lesser amounts of reagents are required to depress the copper and other metal sulfides.

  • Cyanide detoxification process - The Board of Regents of

    The copper may be impregnated on the carbon or fed with the cyanide solution. Continuous copper feeding causes hydrolysis of cyanate to yield ammonia and carbon dioxide (Huiatt, J. L., Kerrigan, J. E., Olson, F. A. and Potter, G. L. (editorial committee) Cyanide from Mineral Processing, Proceedings of a Workshop, Salt Lake City, Utah, 1982

  • Effect of pH and diethyl dithiophosphate (DTP) treatment

    Sep 20, 2011· There are two major arsenic-bearing minerals in copper ores, enargite (Cu 3 AsS 4) and tennantite (Cu 12 As 4 S 13). These minerals are usually found in association with chalcocite (Cu 2 S), covellite (CuS), or chalcopyrite (CuFeS 2). Among those minerals, it is chalcopyrite that has been well studied.

  • Influence of chelating reagents on leaching of copper ore

    Links with this icon indicate that you are leaving the CDC website.. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. Linking to a non-federal Website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website.

  • Mineral Separate Equipment Mineral Separate Machine

    Mineral Separate Equipment Mineral Separate Machine Mineral Separate. Desertminer is a dry mineral processing plant developed by dove to simultaneously concentrate separate and recover gold platinum group metal base metals ferrous metals from alluvial deposits as well as hard rock deposits that are located in dry areas where water not available desertminer is designed and

  • The use of dithiophosphates and dithiocarbamates for the

    Jan 01, 1990· The recovery of arsenopyrite from an arsenopyrite/pyrite ore is desirable for a number of reasons. This can be optimized using a two stage flotation process in which a dithiophosphate is added at pH=11 in the first stage and copper sulphate and a dithiocarbamate in the second stage.It was found that better separations were obtained when aged ore was used.

  • Selective leaching of a polymetallic complex ore by

    Jul 01, 1995· 1. Introduction The recovery of metals from polymetallic complex ores has been widely studied [ 1-4] and the process has been determined in relation to both the composition and the localisation of the ore. Hydrometallurgical techniques are often used because of the complex nature of these ores, which generally contain lead, copper and zinc.

  • US4311584A - Amine flotation of chromite from acidic pulps

    ore flotation sub pounds Prior art date 1980-11-12 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US06/206,246 Inventor Gregory E. Smith Jerry L. Huiatt Monte B. Shirts

  • Recent Accidents in Wisconsin - Reports, news and

    The state's mines produce copper, iron ore, lead, and zinc. To accommodate the residents and visitors to Wisconsin, the major interstate highways are in heavy usage: Interstate 39 is a highway that runs from Normal, Illinois at I-55 to Wisconsin Highway 29 in Rib Mountain, Wisconsin , approximately six miles (9.7 km) southwest of Wausau .

  • The cyanide heap leaching behavior of cupriferous gold ores

    To develop a fundamental understanding of cyanide heap leaching of low-grade gold ores, with significant copper mineralization, two sets of column leach tests were operated under two different leaching solutions. In one set, four 1.5 m tall column tests were leached with sodium cyanide solution. In the second set, another four columns were leached with solutions of

  • (PDF) Three-body Impact Corrosion-Abrasion: Studying for

    A marked ball wear test (MBWT) was conducted in wet copper ore on a series of quenched, quenched and tempered, and normalized Fe-0. 90 C grinding balls and water and oil quenched AISI 4140

  • Cyanide Destruction in Gold Heap Leach

    Jun 13, 2017· Ore is stacked and leached in successive lifts or benches on the pad. Sprinkler systems set within and on the surface of the lift to be leached deliver a high pH sodium cyanide solution that, in its percolation through the ore, forms stable complexes with gold, silver, cobalt, iron, copper, nickel, zinc, and

  • Three-body Impact Corrosion-Abrasion: Studying for Low

    Dec 01, 2007· The impact-corrosion-abrasion resistance of the low carbon high alloy steel, which can be used for mill lining under impact-corrosion-abrasion condition, are tested in laboratory by means of a new kind of experimental facility. The industrial trial run in the same condition has also been completed. The results show that the new alloy containing 0.2 wt.% carbon, 9 wt.%

  • Cyanide Degradation and Detoxification in a Heap Leach

    Jul 01, 2017· water in typical spent ore (pH + 10.5), circulation of rainwater through the spent ore can depress the pH enough to convert free cyanide to hydrogen cyanide, which is then lost to the atmosphere by volatilization (Huiatt, et al., 1982). Data on cyanide degradation by water leaching have been developed by

  • The acute toxicity of pulse-dosed thiocyanate (as KSCN and

    Apr 01, 1991· One of the major environmental sources of SCN ~ is the concentration of gold ore, a proc- ess during which cyanide is used to solubilize gold and enhance its leaching from ore (AMAX, 1980; Huiatt et al., 1983; Ingles and Scott, 1987).

  • Mineral Separate Equipment Mineral Separate Machine

    Mineral Separate Equipment Mineral Separate Machine Mineral Separate. Desertminer is a dry mineral processing plant developed by dove to simultaneously concentrate separate and recover gold platinum group metal base metals ferrous metals from alluvial deposits as well as hard rock deposits that are located in dry areas where water not available desertminer is designed and configured to deliver


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