Overhead Concentration Platform of Total Withdrawal Operation in Cyclic Total Reflux Batch Distillation

姜占坤; 白鹏

doi:10.1016/S1004-9541(11)60028-1

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Overhead Concentration Platform of Total Withdrawal Operation in Cyclic Total Reflux Batch Distillation

Updated：2026-01-06

- Overhead Concentration Platform of Total Withdrawal Operation in Cyclic Total Reflux Batch Distillation
- Chinese Journal of Chemical Engineering Vol. 19, Issue 4, Pages: 598-602(2011)
- Affiliations：
  
  1. School of Chemical Engineering and Technology, Tianjin University,Tianjin,China,300072
  2. Key Laboratory of Systems Bioengineering, Ministry of Education, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(11)60028-1
  CLC：
- Published：2011
- Accepted：
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JIANG Zhankun, BAI Peng. Overhead Concentration Platform of Total Withdrawal Operation in Cyclic Total Reflux Batch Distillation[J]. , 2011, 19(4): 598-602.
DOI：

JIANG Zhankun, BAI Peng. Overhead Concentration Platform of Total Withdrawal Operation in Cyclic Total Reflux Batch Distillation[J]. , 2011, 19(4): 598-602. DOI： 10.1016/S1004-9541(11)60028-1.

摘要

Abstract

The total withdrawal operation is an inevitable section in cyclic total reflux batch distillation.In the operation

an interesting phenomenon "overhead concentration platform"(OCP) appears

which is defined as a period of time with high overhead concentrations when the operation is changed from total reflux to total withdrawal.The OCP phenomenon and its influential factors

such as the theoretical stage number

feed concentration

and feed composition

are examined by simulations and experiments.The experimental equipment is a column with random packings.It is shown that the number of theoretical stages influences the OCP more significantly than the other factors.

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