The vapor-liquid equilibrium(VLE) data of monoisopropanolamine,diisopropanolamine and water systems were predicted by UNIFAC group contribution method,and calculated with UNIQUAC binary parameters.

• 主要利用UNIFAC基团贡献法预测一异丙醇胺-二异丙醇胺-水三元体系的汽液平衡数据,同时又根据UNIQUAC二元模型参数推算上述三元体系的汽液平衡。