tellurium extraction from copper electrorefining slimes patent us4570496

  • Bacterial recovery and recycling of tellurium from

    EPR3 for recovery of tellurium from devices and autoclave slime. Normally an effluent from copper and tellurium production autoclave slime is a potential source for tellurium recovery using bacteria. To evaluate EPR3 s interaction with the slime a similar set of experiments to metallic tellurium and tellurium

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  • Extraction of copper and gold from anode slime of

    The slime is characterized by higher amount of Ag Se Pb and Cu compared to other metals and a very low Au content (Khaleghi and Ghader 2013).The copper anode slimes are composed of 11.69 selenium 3.93 copper 5.26 silver 0.13 gold and 45 barite plus lead tellurium

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  • Recovery of tellurium from high tellurium-bearing

    Jul 01 2013 · Tellurium was discovered in 1782 in a mineral containing tellurium and gold. In the 1930s with the tellurium widely used the industrial production of tellurium developed rapidly ().The largest consumer of tellurium is metallurgy (Micheal 2011) where it is used in iron copper and lead alloys to make them more machinable.Tellurium is also used in semiconductor and electronics

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  • Processing of copper anodic-slimes for extraction of

    This work focuses on processing of anodic slimes obtained from an Egyptian copper electrorefining plant. The anodic slimes are characterized by high concentrations of copper lead tin and silver.

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  • copper anode slime processing plant in finland

    Selenium and Tellurium 2013 IBM. anode mud or slime obtained during electrolytic refining of copper. Tellurium is found mostly in tellurides associated with metals such as bismuth lead gold and silver.

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  • A system dynamics model of tellurium availability for CdTe

    About 90 of current Te supply is from anode slimes produced during the electrolytic refining (electrorefining) of smelted copper 6 54 55 57 making an accurate representation of copper production crucial to the analysis of Te availability. However copper reserves and production form the subject of a wide debate and assumptions on copper

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  • US5160588AProcess for recovering tellurium from copper

    An improved process for recovering tellurium from copper electrolysis slime. The process comprises leaching copper and tellurium from said slime with sulfuric acid and recovering tellurium from the solution after leaching (called "leach") by suspending at least one copper electrode plate in a bath of a leach allowing tellurium to deposit on the surface thereof as copper telluride agitating

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  • Extraction of selenium from copper anode slimes in a

    Copper anode slimes the by-product of the copper electrorefining process have been the subject of extensive investigation for recovering precious metals viz. Au Ag Pt and Pd in addition to

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  • Extraction of copper and gold from anode slime of

    The slime is characterized by higher amount of Ag Se Pb and Cu compared to other metals and a very low Au content (Khaleghi and Ghader 2013).The copper anode slimes are composed of 11.69 selenium 3.93 copper 5.26 silver 0.13 gold and 45 barite plus lead tellurium antimony sulphur and silica with small amounts of nickel iron

    Get Price
  • extraction of copper by city colligiate

    In-situ Copper Recovery Is a Rare Opportunity for Flore The Bingham Canyon Mine more commonly known as Kennecott Copper Mine among locals is an open-pit mining operation extracting a large porphyry copper deposit southwest of Salt Lake City Utah in the Oquirrh Mountains.The mine is the largest man-made excavation in the world and is considered to have produced more copper

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  • Sulfiding Patents and Patent Applications (Class 423/37

    Sep 12 2008 · Abstract A method of increasing the extraction of tellurium from copper electrorefining slime comprises leaching the slime with dilute sulphuric acid in a reactor under a partial oxygen pressure of up to 150 psi and at an elevated temperature between about 100 gree. and 200 gree. C. until copper nickel and substantially all of the

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  • Copper Refining Electrolyte and Slime Processing

    Copper electro-refining (Cu-ER) is the principal method for producing >70 of high or 99.97 pure copper cathodes from 97-99 pure blister/fire refined-scrap copper anodes. While the inert and most of less soluble impurities settle as anode slime/sludge other soluble impurities particularly the metalloids (group VA/15 elements or Q As Sb and Bi) and some transition metals (Mt) co-dissolved

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  • The perculiarities of tellurium behaviour in the process

    The authors present the results of the study of tellurium behavior in the process of slime pressure oxidizing leaching produced by copper electro refining at JSC «Uralelectromed» and having complicated chemical and phase composition. There was studied the influence of temperature oxygen partial pressure and the conditions of mass exchange in the unit on the kinetics of tellurium recovery.

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  • A system dynamics model of tellurium availability for CdTe

    About 90 of current Te supply is from anode slimes produced during the electrolytic refining (electrorefining) of smelted copper 6 54 55 57 making an accurate representation of copper production crucial to the analysis of Te availability. However copper reserves and production form the subject of a wide debate and assumptions on copper

    Get Price
  • mintek copper anode slimesRistorante Casal di Gioia

    A Novel Process For Recovery Of Te And Se From Copper Slimes Autoclave Leach Solution Shijie Wang Brad Wesstrom and Jean Fernandez Phelps Dodge Mining Company El Paso Operations 850 Hawkins Blvd. El Paso TX 79915 In pressure oxidation leaching of copper anode slimes more than 65 of the tellurium is coextracted during decopperizing.

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  • Copper Anode Slime Processing Plant In Finland

    Extraction of gold silver and copper from the extraction of gold silver and copper from the copper electrorefining anode slime separation of the metals gabrielle n bard1 and luis g s sobral1 1centre for mineral technology-cetem key-words electrorefine anode slime copper abstract. IMPC

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  • mintek copper anode slimesRistorante Casal di Gioia

    A Novel Process For Recovery Of Te And Se From Copper Slimes Autoclave Leach Solution Shijie Wang Brad Wesstrom and Jean Fernandez Phelps Dodge Mining Company El Paso Operations 850 Hawkins Blvd. El Paso TX 79915 In pressure oxidation leaching of copper anode slimes more than 65 of the tellurium is coextracted during decopperizing.

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  • Tellurium extraction from copper electrorefining slimes

    Aug 17 1999 · The present invention is directed to the substantially selective extraction of tellurium from tellurium-containing materials and more particularly copper electrorefining slimes. Conventionally a slurry of the shines is prepared in diluted sulphuric acid and leached in an autoclave to extract certain metal values including silver and tellurium.

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  • Recovery of Silver and Gold from Copper Anode Slimes

    Sep 11 2014 · Copper anode slimes produced from copper electrolytic refining are important industrial by-products containing several valuable metals particularly silver and gold. This article provides a comprehensive overview of the development of the extraction processes for recovering silver and gold from conventional copper anode slimes. Existing processes namely pyrometallurgical processes

    Get Price
  • Extraction of copper and gold from anode slime of

    The slime is characterized by higher amount of Ag Se Pb and Cu compared to other metals and a very low Au content (Khaleghi and Ghader 2013).The copper anode slimes are composed of 11.69 selenium 3.93 copper 5.26 silver 0.13 gold and 45 barite plus lead tellurium antimony sulphur and silica with small amounts of nickel iron

    Get Price
  • Electrorefiningan overview ScienceDirect Topics

    The treatment of copper scrap consisted of copper smelting and converting copper electrorefining anode slimes purification by H 2 SO 4 leach (to remove Cu Ni) doré smelting and silver electrorefining in a Thum cell gold mud leaching with aqua regia gold reduction with SO 2 and selective precipitation of red and yellow salts.

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  • Leaching behavior of metals from copper anode slime using

    1. Introduction. Copper anode slimes are the by-products in copper electrorefining which are periodically collected from the deposition cells and processed for the recovery of metal values such as Cu Ni Pb Sb Sn Se Te Au Ag and Pt (Liu et al. 2014).Some pretreatment technologies such as sulfation roasting-leaching oxidative sulfuric acid leaching and chlorination leaching are

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  • method recovering tellurium

    Tellurium is used in copper stainless steel and lead It is a key component in CdTe solar panels and is a basic ingredient for blasting caps A key driver is also likely to be increasing demand for tellurium in consumer electronics Tellurium consumption per GW of CdTe PV production is estimated at 91t indicating that 782t of Tellurium will be

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  • tellurium extraction from copper electrorefining slimes

    tellurium extraction from copper electrorefining slimes patent us8268285. Patent US20100329969 Process for the Številka objave US20100329969 A1 Vrsta objave Prijava Številka prijave US 12/855 880 Datum objave 30 dec 2010 Datum vložitve 13 avg 2010 Datum

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  • The treatment of copper refinery anode slimes SpringerLink

    There are numerous viable approaches to the treatment of anode slimes from electrolytic copper refining. Of particular interest in the treatment of slimes are the behavior and recovery of selenium. The understanding of the process chemistry involved in the treatment of anode slimes should be aided considerably by recent work on the formation and characterization of slimes.

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  • Recovery of Silver and Gold from Copper Anode Slimes

    Sep 11 2014 · Copper anode slimes produced from copper electrolytic refining are important industrial by-products containing several valuable metals particularly silver and gold. This article provides a comprehensive overview of the development of the extraction processes for recovering silver and gold from conventional copper anode slimes. Existing processes namely pyrometallurgical processes

    Get Price
  • recovery tellurium us2981595

    Recovery Tellurium Us2981595 tvpdcollege tellurium extraction from copper electrorefining slimes Recovery of tellurium Free Patents Online tellurium containing telluriumcentrifugalpump co in Patent US2981595Recovery of telluriumGoogle Patents 2 981 595 RECOVERY or TELLURIUM

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  • tellurium extraction from copper electrorefining slimes

    tellurium extraction from copper electrorefining slimes patent us4570496. The present invention is concerned with a method for the substantially selective extraction of tellurium from copper electrorefining slimes. The method comprises maintaining a molar ratio Ag/Se Ag/S or Ag/Se S at a value of about 2 or less in the slimes during

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  • Hydrometallurgical process for Free Patents Online

    Oct 06 1981 · The resulting selenium tellurium and copper-containing solution after concentration is treated to separate tellurium from selenium copper and other impurities by a liquid-liquid extraction technique 5 to 100 by volume of the neutral or basic organic solvent such as tri-n-butyl phosphate balanced with a hydrocarbon diluent such as

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  • equipments for attrition for copper anode slime

    The type of facility metal and non-metal inputs < processes and equipment Refining including aluminum (Chapter 4) copper (Chapter 5) lead (Chapter .. Attrition cannot remove all residual binders but works well with no-bake binders. .. Anode slime refers to impurities that sink to the bottom of the electro- lytic cell.

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  • Extraction of selenium from copper anode slimes in a

    Copper anode slimes the by-product of the copper electrorefining process have been the subject of extensive investigation for recovering precious metals viz. Au Ag Pt and Pd in addition to

    Get Price
  • Leaching behavior of metals from copper anode slime using

    1. Introduction. Copper anode slimes are the by-products in copper electrorefining which are periodically collected from the deposition cells and processed for the recovery of metal values such as Cu Ni Pb Sb Sn Se Te Au Ag and Pt (Liu et al. 2014).Some pretreatment technologies such as sulfation roasting-leaching oxidative sulfuric acid leaching and chlorination leaching are

    Get Price
  • Recovery of tellurium from high tellurium-bearing

    Jul 01 2013 · Tellurium was discovered in 1782 in a mineral containing tellurium and gold. In the 1930s with the tellurium widely used the industrial production of tellurium developed rapidly ().The largest consumer of tellurium is metallurgy (Micheal 2011) where it is used in iron copper and lead alloys to make them more machinable.Tellurium

    Get Price
  • Bacterial recovery and recycling of tellurium from

    EPR3 for recovery of tellurium from devices and autoclave slime. Normally an effluent from copper and tellurium production autoclave slime is a potential source for tellurium recovery using bacteria. To evaluate EPR3 s interaction with the slime a similar set of experiments to metallic tellurium and tellurium dioxide were performed.

    Get Price
  • The treatment of copper refinery anode slimes SpringerLink

    There are numerous viable approaches to the treatment of anode slimes from electrolytic copper refining. Of particular interest in the treatment of slimes are the behavior and recovery of selenium. The understanding of the process chemistry involved in the treatment of anode slimes should be aided considerably by recent work on the formation and characterization of slimes.

    Get Price
  • Processing of copper electrorefining anode slime Request PDF

    Anode slime is the insoluble product deposited at the bottom of the electrorefining tank during electrorefining of copper. It generally contains Cu Ni Se Te Ag Au platinum group metals (PGM

    Get Price