SOLVENTS FOR EXTRACTIVE DISTILLATION TO SEPARATE ETHANE/ETHYLENE

YI Bo; XU Zheng; LEI Zhigang; LIU Yuxing; ZHOU Rongqi; DUAN Zhanting

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SOLVENTS FOR EXTRACTIVE DISTILLATION TO SEPARATE ETHANE/ETHYLENE

更新时间：2025-12-10

- SOLVENTS FOR EXTRACTIVE DISTILLATION TO SEPARATE ETHANE/ETHYLENE
- CIESC Journal Issue 6, (2001)
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- Online First：25 June 2001，
  
  Published：25 June 2001
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YI Bo, XU Zheng, LEI Zhigang, et al. SOLVENTS FOR EXTRACTIVE DISTILLATION TO SEPARATE ETHANE/ETHYLENE[J]. CIESC Journal, 2001, (6).
DOI：

YI Bo, XU Zheng, LEI Zhigang, et al. SOLVENTS FOR EXTRACTIVE DISTILLATION TO SEPARATE ETHANE/ETHYLENE[J]. CIESC Journal, 2001, (6). DOI：

摘要

Abstract

The Solvents for extractive distillation to separate ethane/ethylene are studied and screened.Infinite relative volatility and infinite selectivity of 11 solvents with dipole moment from 0 to 11.36 are determined by gas stripping

which draws the conclusion that the selectivity of the solvent increases with its polarity.Two solvents

ACN and DMF

which have higher selectivity

are modified by adding water and salt

respectively.It is found that the effect of separation improves after modification

but the improvement is limited.

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