Solubility of 2-tert-butylanthraquinone in binary solvents
作者： Xueting Jia , Yichen Yang , Guozhu Liu , Zhiyong Pan
DOI: 10.1016/J.FLUID.2014.06.002
关键词:
摘要: Abstract The solubilities of 2-tert-butylanthraquinone (TBAQ) in three binary solvents 1,3,5-trimethylbenzene (TMB) + 2,6-dimethyl-4-heptanol (diisobutylcarbinol, DIBC) with 3:1, 3:2, 1:1 and 2:3 the volume ratio TMB to DIBC (solvent ratio) were determined temperature range from 303.15 333.15 K by equilibrium method. As a comparison, TBAQ solvent mixtures TMB + 2-methylcyclohexyl acetate (MCA) TMB + trioctylphosphate (TOP) also determined. all always increased rising ratio. At same ratio, TMB + DIBC close those TMB + MCA much higher than TMB + TOP. Two activity coefficient models NRTL equation, Wilson equation modified λ–h applied correlate predict mixed solvents. satisfactory correlation obtained using equations gave relatively good prediction average maximum relative deviation 1.87% 5.06%, respectively.
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