Properties of the extraction system constituted by phosphoric acid produced from Khibiny apatite and tri-n-butyl phosphate

Author： Lembrikov V.   Volkova V.   Zhavoronkova G.   Konyakhina L.  

Publisher： MAIK Nauka/Interperiodica

ISSN： 1070-4272

Source： Russian Journal of Applied Chemistry, Vol.79, Iss.2, 2006-02, pp. : 196-200

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Abstract

Data on the equilibrium distribution of phosphoric acid among the aqueous and organic phases in extraction of phosphoric acid with tri-n-butyl phosphate are presented for the system constituted by phosphoric acid produced from the Khibiny concentrate and by the extracting agent from the industrial system for purification of extraction phosphoric acid at 25–50°C.

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