Phase equilibrium calculations were verified with several typical systems, including hydrocarbon, hydrocarbon/water and hydrocarbon/water/methanol, using different classical cubic EOS and a modified EOS.

• 本文对十二组分烃、十三组分烃-水和十四组分烃-水-甲醇三个体系,应用不同的传统立方型状态方程和一个新改进的立方型状态方程进行了相平衡计算。