Through the experiments of VLE and extractive distillation, itshowed that the solvent NMP was a good separating agent and satisfied the requirement of current ecologically chemical engineering.

• 通过常压汽液平衡和萃取精馏工艺实验说明NMP是分离芳烃和非芳烃的有效溶剂，且满足当前生态化工的要求。