3Lembrlkov V M, Konyakhina L V, Volkova V V, et al. Interaction of tri- n- butyl phosphate, water, and phosphoric acid in purification of wet-process phosphoric acid[ J ]. Russian Journal of Applied Chemistry,2004,77 (10) : 1606 - 1605.
4Lembrikov V M, Konyakhina L V, Volkova V V, et al. Identification of impurities accumulated in the extractant in the course of purification of wet - process phosphoric acid with tri - n - butyl phosphate[ J ]. Russian Journal of Applied Chemistry, 2004,77 ( 9 ) : 1413 - 1417.
5Wahoud A,Shino 0 ,Khorfan S. Investigation of the synergistic effect of etheric compounds on the extraction of H3 PO4 from Syrian wet phosphoric acid by TBP [ J ]. Afinidad, 2004, 61 ( 509 ) : 39 - 42.
6Feki M, Stambouli M, Pareau D, et al. Study of the multieomponent system wet process phosphoric acid - methyl isobutyl ketone at 40℃ phase equilibria and extraction performances [ J ]. Chemical Engineering Journal ,2002,88 ( 1 - 3 ) :71 - 80.
7Romanovskij V N,Zil Berman B Ja,Zajtsev B N,et al. Method for purifying wet - process phosphoric acid: RU,2109681 [ P]. 1998 - 04 - 27.
8Grinevich A V,Komeva Z N,Konjakhinal L V,et al. Wet- process phosphoric acid purification : RU, 2149830 [ P ]. 2000 - 05 - 27.
9Grinevich A V, Levin B V, Moshkova V G, et al. Method for treatment of wet - process phosphoric acid: RU, 2233239 [ P ]. 2004 - 07 - 27.
10Shlewit H, Alibrahim M, AoudiA. Solvent extraction of phosphoric acid using TBP/diisopropyl ether in kerosene [ J ]. Solvent Extraction Research and Development, 2004,11 : 11 - 20.