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Centrifugal extraction machine extraction separation of niobium tantalum

by:Deyuan      2020-08-15
Niobium and tantalum metal, the separation of two similar nature difficult as the separation of the two methods, crystallization, distillation, ion exchange resin method, with method and solvent extraction are studied, such as the method, now only centrifugal extraction machine extraction separation of niobium tantalum used in industrial production. Industrial use centrifugal extraction machine extraction separation of niobium tantalum started in the 50 s, the extracting agent mainly MIBK, the TBP and 2-octyl alcohol and replace acetamide, etc.
centrifugal extraction machine extraction separation of niobium tantalum process using MIBK separation, tantalum extraction into the organic phase, niobium residues in water phase. Use pure water extraction of tantalum, add ammonia extraction liquid of tantalum hydroxide precipitation, niobium also can get the similar way.
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