Solvent extraction of Thorium from Malaysian xenotime using Tributyl Phosphate (TBP) | Zendy

Norhazirah Azhar | Zendy; Khaironie Mohamed Takip | Zendy; Roshasnorlyza Hazan | Zendy; Wilfred Selyvester Paulus | Zendy; Nur Aqilah Sapiee | Zendy; Jacqueline Kones | Zendy

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Solvent extraction of Thorium from Malaysian xenotime using Tributyl Phosphate (TBP)

Author(s) -

Norhazirah Azhar,

Khaironie Mohamed Takip,

Roshasnorlyza Hazan,

Wilfred Selyvester Paulus,

Nur Aqilah Sapiee,

Jacqueline Kones

Publication year - 2020

Publication title -

iop conference series materials science and engineering

Language(s) - English

Resource type - Journals

eISSN - 1757-899X

pISSN - 1757-8981

DOI - 10.1088/1757-899x/785/1/012015

Subject(s) - thorium , nitric acid , tributyl phosphate , diluent , extraction (chemistry) , oxalate , third phase , kerosene , chemistry , nuclear chemistry , aqueous solution , solvent , uranium , radiochemistry , inorganic chemistry , materials science , phase (matter) , chromatography , metallurgy , organic chemistry

Growing interest in environmental concern and vast industrial application makes Thorium popular and widely studies nowadays. In this study, solvent extraction process was done to determine the optimized parameters for the extraction of thorium. Parameters studied are the concentrations (M) of nitric acid (HNO 3 ), percent (%) of Tri-Butyl Phosphate (TBP) in diluent and the volume ratio of acid to organic phase (V A :V O ). The mixed rare earth (RE) oxalate powder was dissolved in HNO 3 and Thorium elements was extracted using TBP diluted in kerosene. Energy dispersive x-ray fluorescence (ED-XRF) instrument was used to analyze the initial and final concentration of Thorium left in the aqueous solution. From the ED-XRF quantitative values, calculations were made to determine the extraction efficiency of Thorium. In the end of experiment, it is found that the optimized parameters are at 7M HNO 3 , 20% TBP diluted in kerosene and at V A :V O ratio of 2:3.

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