期刊
SEPARATION SCIENCE AND TECHNOLOGY
卷 56, 期 9, 页码 1562-1578出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01496395.2020.1787446
关键词
Solid-liquid; uranium; sorption; industrial phosphoric acid; cation exchange resins
The research focuses on applying Purolite commercial resins for uranium adsorption from crude dihydrate phosphoric acid, showing that chelating resins exhibit higher sorption efficiency compared to cationic exchange resin. Various parameters' impact on sorption efficiency was investigated, and kinetic, isotherms, and thermodynamics analysis was performed.
The main objective of this research work is the application of a series of Purolite commercial resins: sulfonic cationic exchanger (MTC1600H), amino phosphonic-chelating resin (MTS9500), and phosphonic/sulfonic chelating reins (MTS9570) for uranium adsorption from crude dihydrate phosphoric acid. The impact of various parameters on the sorption efficiency such as shaking time, sorbent dose, phosphoric acid concentration, and reaction temperature has been investigated. The obtained data showed that the chelating resins MTS9500 and MTS9570 exhibit higher sorption efficiency than the cationic exchange resin MTC1600H. Kinetic, isotherms, and thermodynamics analysis for the obtained data has been performed.
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