萃取精馏分离丁烯与丁烷溶剂的选择研究

Resrarch on the Selection of Solvent Using in the Extractive Distillation Separation of Butne and Butane

本文讨论了醚化反应后正丁烯含量为60%~80%（质量分数）C4烃在溶剂体系中的选择性、溶解能力及工程操作等因素的影响,选择了具有选择性及溶解能力均好的吗啉和N-甲酰吗啉的混合溶剂,并探讨了最佳溶剂配比。

The factors such as selectivity and dissolving capacity of C4 hydrocarbons that after etherification and containing 60%～80%（mass fraction） n-butene in solvent system were discussed.The mixture of morpholine and N-formylmorpholine were selected using in extractive distillation for its satisfactory selectivity and dissolving capacity.The optimum composition of the solvent mixture was studied.