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المؤلفون: Denis Beltrami, Cédric Malimba, Bruno Courtaud, Laetitia Lengagne, Valérie Weigel, Simon B. Blancher, Ludovic Donati, Gauthier J.-P. Deblonde, Philippe Ribagnac
المصدر: Separation and Purification Technology. 189:1-10
مصطلحات موضوعية: Materials science, Continuous operation, Niobium, Pyrochlore, chemistry.chemical_element, Filtration and Separation, 02 engineering and technology, 010501 environmental sciences, engineering.material, 01 natural sciences, 020501 mining & metallurgy, Analytical Chemistry, Affordable and Clean Energy, medicine, Dissolution, 0105 earth and related environmental sciences, Roasting, Metallurgy, Chemical Engineering, Sulfur, 0205 materials engineering, chemistry, engineering, Leaching (metallurgy), Activated carbon, medicine.drug
وصف الملف: application/pdf
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المصدر: Deblonde, GJP; Chagnes, A; Weigel, V; & Cote, G. (2016). Direct precipitation of niobium and tantalum from alkaline solutions using calcium-bearing reagents. Hydrometallurgy, 165, 345-350. doi: 10.1016/j.hydromet.2015.12.009. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/1118b990
مصطلحات موضوعية: Thermogravimetric analysis, Niobium, Inorganic chemistry, Resources Engineering and Extractive Metallurgy, Tantalum, chemistry.chemical_element, Precipitation, 02 engineering and technology, Calcium, Calcium niobate, 010402 general chemistry, 01 natural sciences, Industrial and Manufacturing Engineering, chemistry.chemical_compound, Materials Chemistry, Mining & Metallurgy, chemistry.chemical_classification, Calcium hydroxide, Precipitation (chemistry), Oxide, Metals and Alloys, Mineral acid, Chemical Engineering, 021001 nanoscience & nanotechnology, 0104 chemical sciences, chemistry, Reagent, 0210 nano-technology
وصف الملف: application/pdf
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المصدر: Dalton Transactions. 45:19351-19360
مصطلحات موضوعية: Extraction (chemistry), Inorganic chemistry, Tantalum, Aqueous two-phase system, chemistry.chemical_element, 02 engineering and technology, 010402 general chemistry, 021001 nanoscience & nanotechnology, Alkali metal, 01 natural sciences, Diluent, 0104 chemical sciences, Inorganic Chemistry, chemistry.chemical_compound, chemistry, Molecule, Hydroxide, Ammonium, 0210 nano-technology
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المؤلفون: Romaric Houdard, Gauthier J.-P. Deblonde, Valérie Weigel, Denis Beltrami, Florent Delvallée, Sarah Bélair, Quentin Bellier
المصدر: Deblonde, GJP; Weigel, V; Bellier, Q; Houdard, R; Delvallée, F; Bélair, S; et al.(2016). Selective recovery of niobium and tantalum from low-grade concentrates using a simple and fluoride-free process. Separation and Purification Technology, 162, 180-187. doi: 10.1016/j.seppur.2016.02.025. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/7b39n188
مصطلحات موضوعية: Materials science, NaOH, Precipitation (chemistry), Alkaline process, Inorganic chemistry, Tantalum, Niobium, Oxide, chemistry.chemical_element, Filtration and Separation, 02 engineering and technology, Raw material, Chemical Engineering, 020501 mining & metallurgy, Analytical Chemistry, chemistry.chemical_compound, Niobium-tantalum ore, 0205 materials engineering, chemistry, Impurity, Hexaniobate, Fluoride, Dissolution, Purification
وصف الملف: application/pdf