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Study on Separation of Tantalum and Niobium by Extraction with MIBK from Low Hydrofluoric Acid Concentration System

Chang Wei

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Abstract

The extraction separation of tantalum and niobium with MIBK from low hydrofluoric acid concentration system was studied.The O/A ratio,hydrofluoric acid concentration,tantalum and niobium concentration and tantalum-niobium mass ratio on the effect of separation of tantalum and niobium were investigated.The results show that the separation factor of tantalum and niobium is 50 000 under the optimal extraction conditions including extraction time of 5 min,O/A ratio of 5,hydrofluoric acid concentration of 0.5 mol/L,tantalum and niobium total concentration of 60 g/L,and tantalum-niobium mass ratio of 2.

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What this paper is about

The extraction separation of tantalum and niobium with MIBK from low hydrofluoric acid concentration system was studied.The O/A ratio,hydrofluoric acid concentration,tantalum and niobium concentration and tantalum-niobium mass ratio on the effect of separation of tantalum and niobium were investigated.The results show that the separation factor of tantalum and niobium is 50 000 under the optimal extraction conditions including extraction time of 5 min,O/A ratio of 5,hydrofluoric acid concentration of 0.5 mol/L,tantalum and niobium total concentration of 60 g/L,and tantalum-niobium mass ratio of 2.

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Available abstract

The extraction separation of tantalum and niobium with MIBK from low hydrofluoric acid concentration system was studied.The O/A ratio,hydrofluoric acid concentration,tantalum and niobium concentration and tantalum-niobium mass ratio on the effect of separation of tantalum and niobium were investigated.The results show that the separation factor of tantalum and niobium is 50 000 under the optimal extraction conditions including extraction time of 5 min,O/A ratio of 5,hydrofluoric acid concentration of 0.5 mol/L,tantalum and niobium total concentration of 60 g/L,and tantalum-niobium mass ratio of 2.

Key concepts: Tantalum, Niobium, Hydrofluoric acid, Materials science, Extraction (chemistry), Inorganic chemistry, Chemistry, Metallurgy

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Study on Separation of Tantalum and Niobium by Extraction with MIBK from Low Hydrofluoric Acid Concentration System — Research Paper | ScholarLens