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C4烃在DMF中的相对挥发性
Vapor Liquid Equilibrium of C 4 DMF Systems
【摘要】 利用静态法测定了不同温度下C4烃在DMF中的蒸气压与组成的关系曲线,与纯C4的蒸气压曲线比较,可以看出,DMF改变了正丁烷与其它C4烃之间的相对挥发性关系,这为萃取精馏法分离烷烃和烯烃提供了依据。为了验证,还测定了正丁烷和1-丁烯在DMF中的相对挥发度。
【Abstract】 The P x curves of C 4 hydrocarbons dissolved in DMF was determined with a static method When the experimental data are compared with the saturated vapor curves of pure C 4 hydrocarbons,it can be shown that DMF increases the relative volatility of n butane to other C 4 hydrocarbons Therefore,it is possible that butanes and butenes can be separated by extractive distillation using DMF as extractive solvent In addition,vapor liquid equilibrium constants of n butane 1 butene DMF system were determined,and a mathematical model was established to verify the experimental data
- 【文献出处】 石油化工 ,PETROCHEMICAL TECHNOLOGY , 编辑部邮箱 ,1997年08期
- 【分类号】O623.1
- 【被引频次】20
- 【下载频次】239