المنتجات الساخنة
Gallium and germanium extraction and potential recovery
网页2022年12月15日The main aims of this study are (i) to quantitatively assess the partitioning and deportment of Ga and Ge in the slags using an automated mineralogy approach, (ii) to perform extraction tests in various acids to simulate the hydrometallurgical recovery via
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Resources and extraction of gallium: A review
网页2017年12月1日Gallium (Ga) is extensively employed in integrated circuits and advanced electronic devices as it provides the benefits of low energy consumption and high
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Extraction Processes for Gallium and Germanium Taylor
网页2007年4月27日Gallium is conventionally obtained as a byproduct of aluminum, and germanium as byproduct of zinc processing. An exception to this rule is the Apex Mine
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Gallium and germanium extraction and potential recovery
网页2022年12月15日No significant effect of the particle size, temperature, and time was observed on the Ga and Ge leaching. The optimum conditions for the extraction were:
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THE extraction and refining of germanium and gallium
网页2007年12月1日Gallium is recovered from the acid liquor in the first still by treatment with aluminium to remove heavy metals and to reduce the iron to ferrous chloride, followed by
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Global Substance Flow Analysis of Gallium, Germanium,
网页2015年4月22日Summary This study provides a global substance flow analysis for gallium (Ga), germanium (Ge), and indium (In) for 2011, quantifying the amount of metal lost
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Germanium Gallium Ore Leaching with Sulfuric
网页2018年9月23日For optimum gallium and germanium extraction, a two-stage counter-current leach system was devised to adequately control the solution acidity. At operating conditions of 1,000 kg H2SO4/mt ore, 20 %
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Acid Leaching Extraction of Ga and Ge SpringerLink
网页2012年10月26日The U.S. Bureau of Mines recently investigated sulfuric acid leaching to extract gallium and germanium from a zinc processing residue containing 0.32% Ga
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Strategies for Recycling of Primary and Secondary
网页2022年1月16日Pressure acid leaching of zinc refinery residue was performed for extraction of germanium and gallium which improved recovery and assisted in high
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Separation of gallium and germanium in the dissolution
网页Separation of gallium and germanium in the dissolution of Ga-Ge alloys Full Record Related Research Abstract A mechanism was analyzed for the extraction of trace
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Gallium and germanium extraction and potential
网页2022年12月15日Extraction of Ga and Ge from the metallurgical slags in 0.5 M H 2 SO 4, 1 M HNO 3, and 1 M HCl (in mg/kg; total Ga and Ge content in the slags is also indicated). Both original T17 and T18 samples and ultrafine-milled samples denoted as F with grain size <25 μm are depicted. Full symbols represent extraction at 25 °C, and empty symbols
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Strategies for Recycling of Primary and Secondary
网页2022年1月16日Germanium present in the zinc processing residues is mainly extracted using sulfuric acid followed by solvent extraction and precipitation. The leach liquor composition and germanium concentration are the key factors for selection of the separation/extraction process.
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Gallium and germanium extraction and potential
网页2022年12月15日No significant effect of the particle size, temperature, and time was observed on the Ga and Ge leaching. The optimum conditions for the extraction were: sulfuric acid treatment, original...
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Global Substance Flow Analysis of Gallium, Germanium,
网页2015年4月22日Summary This study provides a global substance flow analysis for gallium (Ga), germanium (Ge), and indium (In) for 2011, quantifying the amount of metal lost during extraction, Quantification of Extraction, Uses, and Dissipative Losses within their Anthropogenic Cycles. Christina Licht, Christina Licht. Search for more limestoneby this
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Aluminum Smelting Carbon Dust as a
网页2021年2月9日Gallium and germanium are highly important elements used in different high-tech areas, and new secondary raw materials for its extraction are the subject of a thorough search. In this study,...
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Acid Leaching Extraction of Ga and Ge SpringerLink
网页2012年10月26日The U.S. Bureau of Mines recently investigated sulfuric acid leaching to extract gallium and germanium from a zinc processing residue containing 0.32% Ga and 0.46% Ge. These metals can be extracted by leaching with sulfuric acid alone or by leaching with sulfuric acid and sulfur dioxide.
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Separation of gallium and germanium in the dissolution
网页Separation of gallium and germanium in the dissolution of Ga-Ge alloys Full Record Related Research Abstract A mechanism was analyzed for the extraction of trace amounts of germanium from a gallium-germanium liquid alloy during dissolution in an alkaline peroxide solution.
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Crystal Growth and Complex Characterization of Novel
网页The crystal growth and characterization of novel tourmaline compounds are important in fundamental and applied fields as new tourmaline species and promising piezoelectric materials. Single crystals of Ga,Ge-rich tourmalines (up to 12.43 wt % GeO2 and 11.03 wt % Ga2O3) were grown on a seed as a newly formed, up to 1.2 mm thick layer in
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The economic value of the extracted elements from brine
网页2023年5月9日The disposal of desalination brine, which contains a higher concentration of salts, is treated as waste and discharged into the environment. In this b
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A stepwise separation process for selective recovery of
网页A stepwise separation process for selective recovery of gallium from hydrochloric acid leach liquor of coal fly ash. Author links open overlay panel Zesen Zhao a, Li Cui a, Yanxia Guo a, Jianming Gao a, Huiquan Li b, Fangqin Cheng a. Show more. Add to Mendeley. Share. Cite.
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Hydrometallurgical Recovery of Germanium from Coal
网页2008年3月22日A stepwise separation process for selective recovery of gallium from hydrochloric acid leach liquor of coal fly ash. Separation and Purification Technology 2021, 265,118455. Non-dispersive selective extraction of germanium from fly ash leachates using membrane-based processes. Separation Science and Technology 2019, 54 (17) ,
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[PDF] Testing the Gallium Anomaly Semantic Scholar
网页2022年9月7日Combined with a highly efficient light detection system this allows tagging of the subsequent germanium decay and thus a clean distinction of gallium capture and elastic neutrino electron scattering events. With 1.5 tons of scintillator and 10 source runs of 3.4MCi, each, we obtain about 760 gallium capture events with a purity of 85% and
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Mineral Commodity Summaries 2022 Gallium
网页Primary low-purity (99.99%-pure) gallium prices in China increased by an estimated 25% in 2021, to $345 per kilogram in October from approximately $275 per kilogram at yearend 2020. This followed a 96% increase in China’s primary low-purity gallium prices in 2020, to $275 per kilogram in December from $140 per kilogram in January.
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Gallium and Germanium Recovery from Domestic
网页Gallium and Germanium Recovery from Domestic Sources. National Technical Reports Library NTIS Home Help Details Actions: Download Gallium and Germanium Recovery from Domestic Sources. PB2003105497
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Hydrometallurgical Recovery of Germanium from Coal
网页2008年3月22日Experimental data presented in this work show that the extraction of germanium by the solvent method designed can be selective toward germanium, and this element can be effectively separated from arsenic, molybdenum, nickel, antimony, vanadium, and zinc. * To whom correspondence should be addressed. E-mail: pereira@
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Global Substance Flow Analysis of Gallium, Germanium,
网页2015年4月22日This study provides a global substance flow analysis for gallium (Ga), germanium (Ge), and indium (In) for 2011, quantifying the amount of metal lost during extraction, beneficiation/smelting/refining, manufacturing of intermediate products, and the amount embodied in end-use products.
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Aluminum Smelting Carbon Dust as a
网页2021年2月9日Gallium and germanium are highly important elements used in different high-tech areas, and new secondary raw materials for its extraction are the subject of a thorough search. In this study,...
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Separation of gallium and germanium in the dissolution
网页Separation of gallium and germanium in the dissolution of Ga-Ge alloys Full Record Related Research Abstract A mechanism was analyzed for the extraction of trace amounts of germanium from a gallium-germanium liquid alloy during dissolution in an alkaline peroxide solution.
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Acid Leaching Extraction of Ga and Ge SpringerLink
网页2012年10月26日The U.S. Bureau of Mines recently investigated sulfuric acid leaching to extract gallium and germanium from a zinc processing residue containing 0.32% Ga and 0.46% Ge. These metals can be extracted by leaching with sulfuric acid alone or by leaching with sulfuric acid and sulfur dioxide.
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(PDF) The Development and Implementation
网页2008年10月4日Extraction and separation of Ge (IV) from aqueous solutions by amines can be carried out by two different ways including extraction of Ge (IV) from concentrated acid solutions (Sargar and Anuse...
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Method for selective extraction of gallium and
网页The invention discloses a method for selective extraction of gallium and germanium from an oxalic acid solution containing gallium and germanium. The method comprises the following steps of carrying out single-stage or multistage countercurrent extraction on the oxalic acid solution containing gallium and germanium by an organic phase, carrying
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Crystal Growth and Complex Characterization of Novel
网页The crystal growth and characterization of novel tourmaline compounds are important in fundamental and applied fields as new tourmaline species and promising piezoelectric materials. Single crystals of Ga,Ge-rich tourmalines (up to 12.43 wt % GeO2 and 11.03 wt % Ga2O3) were grown on a seed as a newly formed, up to 1.2 mm thick layer in
Contact
The economic value of the extracted elements from brine
网页2023年5月9日The disposal of desalination brine, which contains a higher concentration of salts, is treated as waste and discharged into the environment. In this b
Contact
A stepwise separation process for selective recovery of
网页A stepwise separation process for selective recovery of gallium from hydrochloric acid leach liquor of coal fly ash. Author links open overlay panel Zesen Zhao a, Li Cui a, Yanxia Guo a, Jianming Gao a, Huiquan Li b, Fangqin Cheng a. Show more. Add to Mendeley. Share. Cite.
Contact
Gallium and Germanium Recovery from Domestic
网页Gallium and Germanium Recovery from Domestic Sources. National Technical Reports Library NTIS Home Help Details Actions: Download Gallium and Germanium Recovery from Domestic Sources. PB2003105497
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Gallium and germanium recovery from domestic sources
网页Statistically designed experiments showed that the most important parameter for high metal extraction from zinc residue was the H2SO4 concentration. At a concentration of 2.9M H2SO4, 95 pct of the gallium was extracted, and at a concentration of 0.6M H2SO4, 73 pct of the germanium was extracted.
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Mineral Commodity Summaries 2022 Gallium
网页Primary low-purity (99.99%-pure) gallium prices in China increased by an estimated 25% in 2021, to $345 per kilogram in October from approximately $275 per kilogram at yearend 2020. This followed a 96% increase in China’s primary low-purity gallium prices in 2020, to $275 per kilogram in December from $140 per kilogram in January.
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[PDF] Testing the Gallium Anomaly Semantic Scholar
网页2022年9月7日Combined with a highly efficient light detection system this allows tagging of the subsequent germanium decay and thus a clean distinction of gallium capture and elastic neutrino electron scattering events. With 1.5 tons of scintillator and 10 source runs of 3.4MCi, each, we obtain about 760 gallium capture events with a purity of 85% and
Contact