Tellurium | Umicore.com
Crystalline tellurium is a silvery metal with a typical metallic lustre. recycling challenges although some tellurium is recovered from the production process for
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US9630844B2 - Hydrometallurgical process for the recovery of
The tellurium is then recovered as copper telluride from the leach liquor by adding metallic copper through cementation. However, the process involves autoclave
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Hydrometallurgical Recycling of Photovoltaic Materials - SGS
of the leaching testwork, whereas the metal recovery testwork results are described Recycling of tellurium also leads to the using pyrometallurgical methods.
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Hydrometallurgical processing of anode slime for recovery of - Core
it contained valuable metals like copper, nickel, selenium, tellurium, gold, allurgical process to recover the valuable metals present in the anode slime ob-.
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US9630844B2 - Hydrometallurgical process for the recovery of
The tellurium is then recovered as copper telluride from the leach liquor by adding metallic copper through cementation. However, the process involves autoclave
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Chalcogenide esters as reactive intermediates in selenium and
The purity of selenium, tellurium, and their alloys for use in source and method of recovery. indied by the disappearance of black metallic tellurium. ''The.
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Recovery of tellurium from decopperizing leach solution of copper
A process is proposed for the recovery of tellurium from the decopperizing telluride from the decopperizing leach solution by precipitation with metallic copper.
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Recovering Cadmium And Tellurium From Thin-Film - CDC stacks
techniques to recycle metals from semiconduct0rs and other advanced materials. Cadmium and tellurium were recovered from mixed CdTe/CdS scrap produced
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Process of treating refinery sludges or slimes containing selenium
of precious metals, and must be treated further for the removal of selenium and tellurium and recovery of values. During the subsequent leaching process with
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(PDF) Hydrometallurgical Recovery of Tellurium - ResearchGate
9 May 2018 While recovery of tellurium from cadmium telluride was very low at around the calaverite matrix means utilizing the sodium sulfide leaching process as Tellurium has an affinity for gold, silver, and platinum group metals as
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Electrochemical recovery of tellurium from metallurgical industrial
8 Nov 2019 The conventional way to recover tellurium metal is to treat the anode slime Investigation of the EDRR method to recover Te from Doré PLS
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Recovery of tellurium from decopperizing leach solution of copper
A process is proposed for the recovery of tellurium from the decopperizing telluride from the decopperizing leach solution by precipitation with metallic copper.
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Processing technologies for gold-telluride ores - 911 Metallurgist
processing techniques/options for gold telluride ores was semi-metallic nature of tellurium. These methods can possibly enhance the recovery of gold,.
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Tellurium - USGS Publiions Repository
refining process for such base-metal-rich ores is amenable to tellurium recovery. The only certain present-day primary sources for tellurium ore are the Kankberg
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A Novel Process For Recovery Of Te And Se From Copper Slimes
Anode slimes almost invariably contain copper, tellurium, selenium, silver, gold and traces of platinum group metals. In order to recover the precious metals from
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The Importance of Tellurium as a Health Hazard in Industry. A - jstor
the electrolytic tanks is treated to recover the more precious metals, and the residuum is then treated to obtain the tellurium by a method which will be described
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US660013A - Method of treating telluride ores. - Google Patents
The tellurium is by this means readily dissolved out of the ore. and to other known processes for the extraction and recovery of the precious metals with higher
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RECYCLING OF CdTe PHOTOVOLTAIC MODULES: RECOVERY
recovery of glass, cadmium and tellurium while minimizing life-cycle glass; b) separation of Te from Cd and other metals and recovery of Te for its value; c) recovery of Cd for re-use or effective The key steps of our method are crushing the.
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Electrochemical recovery of tellurium from metallurgical industrial
8 Nov 2019 The conventional way to recover tellurium metal is to treat the anode slime Investigation of the EDRR method to recover Te from Doré PLS
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Dissolution kinetics of tellurium from gold concentrate during
Additionally, the alkaline sulphide leaching method can recover arsenic and been paid to using the method to recover tellurium from tellurium-bearing gold ores. Table II shows that the main metal sulphide minerals are pyrite, pyrrhotite,
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A simple method for the recovery of selenium from copper anode
Copper anode slimes are containing varying precious metals, such as: gold, silver, selenium and tellurium. They are being extracted as a by-product in the
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Hydrometallurgical processing of anode slime for recovery of - Core
it contained valuable metals like copper, nickel, selenium, tellurium, gold, allurgical process to recover the valuable metals present in the anode slime ob-.
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Metallurgical recovery of metals from electronic -
8 Feb 2008 Keywords: Electronic waste; Metal recovery; Metallurgical process; Bioleaching; Special metals (indium, selenium, tellurium) residues.
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Tellurium Metal - Aurubis
It is recovered from a variety of primary and secondary raw materials. Through the production processes in our copper smelters, we ensure a continuous supply of
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Selenium Recovery in Precious Metal Technology - DiVA
precious metal. In the oxidation step, selenium dioxide, sulphur dioxide and some tellurium dioxide are removed along with the process gas. The dioxides and
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A Review of Technology of Metal Recovery from Electronic Waste
29 Jun 2016 They contain substantial amount of metal value, including precious metals. [20] have proposed an eddy-current method for recovering aluminum metals from Special metals (indium, selenium, and tellurium) residues were
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Selective Recovery of Tellurium from the Tellurium-Bearing Sodium
1 Sep 2020 Nevertheless, a reduction in tellurium dioxide to metallic tellurium by sulfur dioxide is another important method for tellurium recovery [18].
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Recovering valuable metals from recycled photovoltaic modules
24 Jun 2014 Recovering valuable metals such as Si, Ag, Cu, and Al has become a pressing A process based on HNO3/NaOH leaching and subsequent smelting is and selenium) is considered worthwhile to recover high-value metals
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Enhancement of Au–Ag–Te contents in tellurium-bearing ore
2 Mar 2018 generate a soluble metal sulfate (MeSO4) and ferric sulfate. (Fe2(SO4)3), and process to recover tellurium from a low-grade sulfide min-.
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