Energy conserving effects of dividing wall column

Jing Fang; Hanmei Zhao; Jianchao Qi; Chunli Li; Junjie Qi; Jiajia Guo

doi:10.1016/j.cjche.2014.08.009

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Energy conserving effects of dividing wall column

分离科学与工程 | Updated：2026-01-06

- Energy conserving effects of dividing wall column
- Energy conserving effects of dividing wall column
- 中国化学工程学报（英文版） 2015年第6期页码：934-940
- Affiliations：
  
  School of Chemical Engineering, Hebei University of Technology,Tianjin,China,300130
- Author bio：
- Funds：
  
  Supported by theNationalNatural Science Foundation of China (21306036), Science& Technology Research Fund Project for Outstanding Youth in Colleges and Universities of Hebei province (Y2012040), and the Joint Specialized Research Fund for the Doctoral Program of Higher Education of China (20131317120014).
- DOI：10.1016/j.cjche.2014.08.009
  中图分类号：
- 纸质出版：2015
- Accepted：
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Jing Fang, Hanmei Zhao, Jianchao Qi, 等. Energy conserving effects of dividing wall column[J]. 中国化学工程学报（英文版）, 2015,(6):934-940.

Jing Fang, Hanmei Zhao, Jianchao Qi, et al. Energy conserving effects of dividing wall column[J]. Chinese Journal of Chemical Engineering, 2015, (6): 934-940.
Jing Fang, Hanmei Zhao, Jianchao Qi, 等. Energy conserving effects of dividing wall column[J]. 中国化学工程学报（英文版）, 2015,(6):934-940. DOI： 10.1016/j.cjche.2014.08.009.

Jing Fang, Hanmei Zhao, Jianchao Qi, et al. Energy conserving effects of dividing wall column[J]. Chinese Journal of Chemical Engineering, 2015, (6): 934-940. DOI： 10.1016/j.cjche.2014.08.009.

摘要

Abstract

The energy-conserving performance of dividing wall column (DWC) is discussed in this paper. The heat transfer through the dividing wall is considered and the results are compared with that of common heat insulation dividing wall column (HIDWC). Based on the thermodynamic analysis of heat transfer dividing wall column (HTDWC) and HIDWC

both computer simulation and experiments are employed to analyze the energyconserving situation. Mixtures of n-hexane

n-heptane and n-octane are chosen as the example for separation. The results show that the energy consumption of HTDWC is 50.3% less than that of conventional distillation column

while it is 46.4% less than that of HIDWC. It indicates that DWC is efficient on separating threecomponent mixtures and HTDWC can save more energy than HIDWC. Thus it is necessary to consider the heat transfer while applying DWC to industry.

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