摘要
采用新型填料塔技术和新的工艺流程，对原环己烯分离塔系统进行改造，改造后环己烯分离塔塔顶环己烯从6．5％下降到4．0％，环己烯回收塔塔顶环己烷从3．5％～4％下降到2．5％，环己烯纯度从95％提高到97％以上，本次改造提供了一种萃取精馏塔扩能改造的新思路——更改部分工艺，提高提馏段效率。
In this paper, a new - style packed technology and a new process were used to reform the separating - column - system of cyclohexene. The concentration of cyclohexene was reduced to 4.0% from 6.5% at the top of cyclohexene - separating - column and the concentration of cyclohexane was reduced to 2.5% from 3.5% -4% at the top of cyclohexene - recovery -column,while the purity of cyclohexene was raised from 95% to 97% or above. The paper gave some clues to the extractive - distillation - column in capacity expansion, such as improving partial process and enhancing the efficiency of stripping section.
出处
《化工科技市场》
CAS
2007年第7期41-43,共3页
Chemical Technology Market
关键词
环己烯-环己烷
萃取精馏
填料塔
cyclohexene - cyclohexane
extractive distillation
packed column
