2020-4-7a simple method for the recovery of selenium from copper anode slime sample using alkaline roasting process there are several different techniques for recovering selenium from them 5-7 in the beginning of electrolytic copper refining there wa
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2020-4-7a simple method for the recovery of selenium from copper anode slime sample using alkaline roasting process there are several different techniques for recovering selenium from them 5-7 in the beginning of electrolytic copper refining there wa...
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En a process and method for recovering elemental tellurium from minerals and acidic solutions using a reducing sugar as the reducing agent in order to reduce and precipitate tellurium as tellurium dioxide teo2 from which elemental tellurium may be recover...
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The results suggest that electrowinning ew is a preferred te recovery method at concentrations above 300 ppm whereas at lower concentrations edrr is favoured the purity of recovered tellurium is investigated with semeds scanning electron microscopeenerg...
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2008-7-26gravimetric analysis of tellurium by both recovering elemental tellurium and subsequent converting into tellurium oxide con-sidering estimation of an uncertainty we evaluated the purity of high purity tellurium as a raw material of a standard t...
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2016-3-27the recovery of tellurium metal and purification of the recovered tellurium the process f low diagrams for a typical recovery process are presented in exhibits 1 through 3 exhibit 1 shows the s teps involved in producing tellurous acid from cop...
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2004-4-6recovering and recycling of cadmium and tellurium extracted from the pv modules research approach very little research data exists on treating cdte-bearing pv manufacturing wastes 123 thermodynamic information on tellurium 6 and cadmium has sh...
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2014-11-9metal extraction processes for electronic waste and existing industrial routes a review and australian perspective abdul khaliq muhammad akbar rhamdhani geoffrey brooks and syed masood faculty of science engineering and technology swinburne...
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2019-5-25the demand for tantalum ta is rapidly increasing due to the manufacture of ta capacitors tcs for electronic devices with the increasing awareness of environmental protection and conservation of rare metal ta recycling of ta from waste tcs wtcs...
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A novel process of tellurium recovering from high tellurium-bearing materials by alkaline sulfide leaching followed sodium sulfite precipitation is developed the ammonium thiocyanate method...
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The powders of te were prapared from sulfuric acid solution bearing te with so2 as the reducing agentthe experiments show the optimum process parameters are as follows reaction temperature 80 nacl concentration 12 mollso2 flow rate 01 m3h...
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Process for the recovery of tellurium from minerals andor acidic solutions - a process and method for recovering elemental tellurium from minerals and acidic solutions using a reducing sugar as the reducing agent in order to reduce and precipitate telluri...
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2016-9-12with tellurium minerals the cooccurrence of tellurium with noble metals such as gold and silver was attributed to the semi-metallic nature of tellurium the composition varied significantly from different tellurium minerals for instance gold-t...
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By using sodium sulfite as reductant and cl- and composited halogen ions as catalysts selenium and tellurium were recovered and gold platinum and palladium were captured from precipitated gold solution that was leached by chlorination and reduction from...
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A novel process of tellurium recovering from high tellurium-bearing materials by alkaline sulfide leaching followed sodium sulfite precipitation is developed...
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Selenium or tellurium or compound thereof 55 20100260661 preparation method of chalcopyrite-type compounds with microwave irradiation - a method for preparing a chalcopyrite-type semiconductor compound which is widely used as a sunlight-absorbing material...
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Abstract a method for separating tellurium includes separating and recovering tellurium te from a dissolved solution containing the tellurium using a solvent extraction by an extractant which contains one selected from a group consisting of tributyl phos...
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Band structure of tellurium it was reported 35 as early as in 1950s followed by a few other researchers in 1970s refs 30 32 36 43 44 45very recently the detailed band structure has been...
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When tellurium dioxide is used as raw material tellurium product whose purity is 9999 can be prepared by the method of electrorefining 99 99...
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1999-8-17the 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 agse ags or agses at a value of about 2 or less in the sl...
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The general slag produced in treating the anode sludge of copper electrolysis in a copper smelter has a high tellurium content and test is made on recovering the tellurium from the slag by leaching...
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Tellurium antimony products tellurium tellurium is a brittle metal of low melting point similar to bismuth except less pink and more garlicky aci alloys can cast pure tellurium sputtering targets and evaporation pieces for immediate delivery we can...
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