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The hydrolyzed ternary copolymer of styrene, maleic anhydride and 1,3-bis(2-propenylphenoxy)propane was studied as sorbent for extraction of uranyl-ions out of aqueous systems. The influence of pH medium, concentration of uranyl-ions, quantity of sorbent, duration of sorption and other factors on main indices of the sorption process was analyzed. The analysis of isotherms of sorption of uranyl-ions was performed through the use of Langmuir and Freundlich’s equations. The possibility of using the copolymer both in concentrated and diluted solutions established.

PURIFICATION OF WATER FROM URANYL-IONS BY NEW SORBENT OF CARBOXYLATE TYPE