The processes and technical characteristics of producing butadiene using acetonitrile,N,N′-dimethylformamide,N-methylpyrrolidone as solvents by extractive distillation were presented. 介绍了用N-甲基吡咯烷酮、乙腈、二甲基甲酰胺3种不同溶剂,采用萃取精馏方法生产丁二烯的工艺流程和特点,并介绍了选择性加氢除炔...
The processes and technical characteristics of producing butadiene using acetonitrile,N,N′-dimethylformamide,N-methylpyrrolidone as solvents by extractive distillation were presented. 介绍了用N-甲基吡咯烷酮、乙腈、二甲基甲酰胺3种不同溶剂,采用萃取精馏方法生产丁二烯的工艺流程和特点,并介绍了选择性加氢除炔...
The processes and technical characteristics of producing butadiene using acetonitrile,N,N′-dimethylformamide,N-methylpyrrolidoneas solvents by extractive distillation were presented. 介绍了用N-甲基吡咯烷酮、乙腈、二甲基甲酰胺3种不同溶剂,采用萃取精馏方法生产丁二烯的工艺流程和特点,并介绍了选择性加氢除炔烃技...