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This paper extends the UNIFAC method to calculate tne pnospnate-_ diluents systems. The parameters of interaction between (-O)3 P-O and CH2, CCl4 , CHCl3, ACH, ACCl, CH-O, H2O etc. are determined with the experimental data of Tri-iso-butylphosphate(TiBp)-diluents and Tri-(2-ethyl)hexylphosphate(TEHP)-diluents systems. These parameters were applied to calculate the activity coefficient of TBP-diluents and TEHP-diluents systems. The result agrees excellently with experimental data.
The paper extends the UNIFAC method to calculate tne pnospnate-_ diluents systems. The parameters of interaction between (-O) 3 PO and CH2, CCl4, CHCl3, ACH, ACCl, CH- O, H2O etc. are determined with the experimental data of Tri-iso-butylphosphate (TiBp) -diluents and Tri- (2-ethyl) hexylphosphate (TEHP) -diluents systems. These parameters were applied to calculate the activity coefficient of TBP-diluents and TEHP-diluents systems. with experimental data.