GERmaNium gallIuM ExtrAcTiOn -

  • (PDF) Germanium and Gallium Extraction from Gasification ...

    2021-12-8 · Germanium and gallium extraction tests To achieve a high and regular Ge and/or Ga extractable yield, regardless of the operational conditions of the IGCC plant, 8 extractants were selected: H 2 O ...

  • Extraction of gallium and germanium from zinc refinery ...

    2016-9-1 · The gallium and germanium in the zinc refinery residue mainly exist as dissociative or combined oxides that correlate with iron and silica. (2) The leaching of both gallium and germanium increase with increasing sulfuric acid concentration up to 156 g L − 1 with ratios of 90.83% and 65.06%, respectively. Further increases in the sulfuric acid ...

  • Extraction Processes for Gallium and Germanium: Mineral ...

    2018-6-16 · 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 ore which has served as the only primary source in the world for direct production of gallium and germanium.

  • THE extraction and refining of germanium and gallium

    In the 1940s the solvent extraction of gallium was firstly introduced to commercial operations during the recovery of germanium and gallium from the flue dust (Powell, 1954; Powell et

  • Efficient extracting germanium and gallium from zinc ...

    2021-6-1 · Germanium (Ge) and gallium (Ga) are common scattered metals used in the semiconductor industry. The natural sources of Ge and Ga are scattered in the earth's crust, and they are found associated with other metal minerals and coal mines at very low concentrations; thus, lacking extraction value.

  • Germanium Gallium Ore Leaching with Sulfuric Acid

    2018-9-23 · Increasing Germanium Extraction. A sulfuric acid leach technique for extracting gallium and germanium from Apex ore without the use of a reducing

  • Global Substance Flow Analysis of Gallium, Germanium,

    2015-4-22 · 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, beneficiation/smelti...

  • Gallium Solvent Extraction - 911metallurgist

    2017-10-31 · Recently, details of a study optimizing gallium and germanium extraction from zinc residues using H2SO4 leaches was published. In the

  • Research progress on extraction and recovery of strategic ...

    2020-10-9 · Liu F P, Liu Z H, Li Y H, et al. Extraction of gallium and germanium from zinc refinery residues by pressure acid leaching[J]. Hydrometallurgy, 2016, 164: 313-320. 13 杜燕, 孙俊民, 杨会宾, 等. 高铝粉煤灰生产氧化铝过程中镓提取工艺[J]. 稀有金属材料与工程

  • Evaluation of Materials for the Separation of Germanium ...

    2016-1-18 · gallium solution (0.5-1 grams) and 1 mL of 604 µg/mL Germanium in 0.05 M HCl. The solution was diluted to 20 mL with 4 M HCl. This solution represents the leached amount of Ga, Ge Zn and CO from an irradiated gallium target and was prepared and used for methods 1-5. 2.3.3 Separation Studies A flow chart and column conditions that summarize

  • Global Substance Flow Analysis of Gallium, Germanium,

    2015-4-22 · 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, beneficiation/smelti...

  • 粉煤灰中战略金属镓的提取与回收研究进展

    2020-10-9 · Liu F P, Liu Z H, Li Y H, et al. Extraction of gallium and germanium from zinc refinery residues by pressure acid leaching[J]. Hydrometallurgy, 2016, 164: 313-320. 13 杜燕, 孙俊民, 杨会宾, 等. 高铝粉煤灰生产氧化铝过程中镓提取工艺[J]. 稀有金属材料与工程

  • microbeam

    2021-11-19 · germanium and gallium from lignite coal-derived rare earth element concentrates. The process will be integrated into the University of North Dakota’s rare earth extraction process and will be designed to co-produce separated germanium and gallium concentrates. The overall effort involves an integrated

  • Process for recovering germanium - Union Miniere s.a.

    1991-9-25 · Process for the fluid-fluid extraction of gallium, germanium or indium from liquid solutions: 1987-05-19: Krajewski et al. 423/89: 4568526: Process for selective liquid-liquid extraction of germanium: 1986-02-04: Rouillard nee Bauer et al. 423/89: 4525332: Recovery of germanium from aqueous solutions: 1985-06-25: Boateng et al. 423/89: 4432952

  • A chlorine-free protocol for processing germanium

    2017-5-5 · To demonstrate the utility of this system, we report here a low-energy synthesis of organogermanes (GeR 4), including germane (GeH 4), from either germanium metal [Ge(0)] or germanium dioxide (GeO 2) ().GeH 4 is widely used for the vapor deposition of germanium in electronic and optical device fabrication (19, 20).Germanium is a nonrenewable resource that

  • 刘付朋-材料冶金化学学部

    2019-5-16 · Extraction of gallium and germanium from zinc refinery residues by pressure acid leaching. Hydrometallurgy, 0304-386X, 2016.09, 164: 313-320. 10,Liu Fupeng, Liu Zhihong, Li Yuhu, Benjamin P. Wilson, Mari Lundstr ö m. Extraction of Ga and Ge from zinc

  • Multi-curie production of gallium-68 on a biomedical ...

    2021-1-7 · The solid phase extraction (SPE) assay was done by application of the Phenomenex Strata-X-C cation exchange cartridge (33 µm, 10 mg/mL) preconditioned with 0.5 mL ethanol, then 1 mL 1.03 g/l HCl. The gallium-68 solution was slowly loaded onto the cartridge, the liquids collected and the column dried with air.

  • Semiconductor Materials - IEEE IRDS™

    2 天前 · Gallium arsenide is the second most common semiconductor in use today. Unlike silicon and germanium, gallium arsenide is a compound, not an element, and is made by combining gallium, with its three valence electrons, with arsenic, which has five valence electrons.

  • 溶液中镓的提取与分离研究进展

    Solvent extraction, liquid membrane extraction and extraction leaching resin are able to effectively extract gallium from solution. Synergistic extraction, liquid membrane extraction and extraction leaching resin extraction are prominent and prospective in future, owing to their high performance of selectivity and extraction rate, short process, environmental friendliness and good

  • 李玉虎-材料冶金化学学部

    2018-9-5 · Fupeng Liu, Zhihong Liu, Yuhu Li*, Zhiyong Liu, Qihou Li, Li Zeng. Extraction of gallium and germanium from zinc refinery residues by pressure acid leaching. Hydrometallurgy,2016, 164,313-320. 3.

  • Process for the fluid-fluid extraction of gallium ...

    A process for the fluid-fluid extraction of gallium, germanium or indium from an acid or base hydrous solution, comprising the steps of: (a) contacting said solution with an organic liguid including a mixture that contains at least 7-alkenyl-8-hydroxyquinoline having the trade name Kelex 100 and a 7-alkenyl-8-hydroxyquinoline having the trade ...

  • A new germanium-63/gallium-68 generator

    A germanium-gallium generator producing EDTA-free Ga-68 would permit the synthesis of a broad range of Ga-68 radiopharmaceuticals and thus facilitate the widespread application of positron tomography. We have investigated a solvent-extraction generator system producing the weak complex of Ga-68 with 8-hydroxyquinoline (Ga-68 oxine), free of EDTA.

  • Global Substance Flow Analysis of Gallium, Germanium,

    2015-10-1 · Global Substance Flow Analysis of Gallium, Germanium, and Indium: Quantification of Extraction, Uses, and Dissipative Losses within Their Anthropogenic Cycles Journal of Industrial Ecology, Vol. 19, Issue 5, pp. 890-903, 2015

  • Research progress on extraction and recovery of strategic ...

    2020-10-9 · Liu F P, Liu Z H, Li Y H, et al. Extraction of gallium and germanium from zinc refinery residues by pressure acid leaching[J]. Hydrometallurgy, 2016, 164: 313-320. 13 杜燕, 孙俊民, 杨会宾, 等. 高铝粉煤灰生产氧化铝过程中镓提取工艺[J]. 稀有金属材料与工程

  • Global substance flow analysis of gallium, germanium, and ...

    Global substance flow analysis of gallium, germanium, and indium: Quantification of extraction, uses, and dissipative losses within their anthropogenic cycles Christina Licht, Laura Talens Peiró ,

  • microbeam

    2021-11-19 · germanium and gallium from lignite coal-derived rare earth element concentrates. The process will be integrated into the University of North Dakota’s rare earth extraction process and will be designed to co-produce separated germanium and gallium concentrates. The overall effort involves an integrated

  • Process for recovering germanium - Union Miniere s.a.

    1991-9-25 · Process for the fluid-fluid extraction of gallium, germanium or indium from liquid solutions: 1987-05-19: Krajewski et al. 423/89: 4568526: Process for selective liquid-liquid extraction of germanium: 1986-02-04: Rouillard nee Bauer et al. 423/89: 4525332: Recovery of germanium from aqueous solutions: 1985-06-25: Boateng et al. 423/89: 4432952

  • GERMANIUM SOLVENT EXTRACTION FROM SULFURIC

    2007-3-30 · A continuous solvent extraction circuit was operated for over 150 hr, extracting over 90% of the germanium from 0.30 g/L Ge filtrates containing 40 to 60 g/L free acid. Over 90% of the loaded germanium was stripped from the organic phase with water at 75 °C. A section on germanium and gallium co-extraction is also presented.

  • Evaluation of Materials for the Separation of Germanium ...

    2016-1-18 · gallium solution (0.5-1 grams) and 1 mL of 604 µg/mL Germanium in 0.05 M HCl. The solution was diluted to 20 mL with 4 M HCl. This solution represents the leached amount of Ga, Ge Zn and CO from an irradiated gallium target and was prepared and used for methods 1-5. 2.3.3 Separation Studies A flow chart and column conditions that summarize

  • 刘付朋-材料冶金化学学部

    2019-5-16 · Extraction of gallium and germanium from zinc refinery residues by pressure acid leaching. Hydrometallurgy, 0304-386X, 2016.09, 164: 313-320. 10,Liu Fupeng, Liu Zhihong, Li Yuhu, Benjamin P. Wilson, Mari Lundstr ö m. Extraction of Ga and Ge from zinc