The experimental data were correlated with the modified UNIFAC (Dortmund) method to obtain the group interaction parameters. The experimental data agreed well with the calculated results.

• 用修正的UNIFAC模型 (Dortmund)对上述不同温度下的无限稀释活度系数实验数据进行关联 ,得到了三甘醇和四甘醇与其它基团的相互作用参数 ,并将计算结果与实测值进行了比较。