Continuous Distillation Experiment with Rotating Packed Bed

栗秀萍; 刘有智; 李志强; 王晓莉

doi:10.1016/S1004-9541(08)60137-8

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Continuous Distillation Experiment with Rotating Packed Bed

Updated：2026-01-06

- Continuous Distillation Experiment with Rotating Packed Bed
- Chinese Journal of Chemical Engineering Vol. 16, Issue 4, Pages: 656-662(2008)
- Affiliations：
  
  1. Chemical Engineering, Environment School, North University of China,Taiyuan,China,030051
  2. Research Center of Shanxi Province for High Gravity Chemical Engineering, Technology,Taiyuan,China,030051
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60137-8
  CLC：
- Published：2008
- Accepted：
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LI Xiuping, LIU Youzhi, LI Zhiqiang, WANG Xiaoli. Continuous Distillation Experiment with Rotating Packed Bed[J]. , 2008, 16(4): 656-662.
DOI：

LI Xiuping, LIU Youzhi, LI Zhiqiang, WANG Xiaoli. Continuous Distillation Experiment with Rotating Packed Bed[J]. , 2008, 16(4): 656-662. DOI： 10.1016/S1004-9541(08)60137-8.

摘要

Abstract

The performance of a rotating packed bed (RPB) with three kinds of packings was investigated using alcohol/water solution under continuous distillation conditions at atmospheric pressure. The effects of average high gravity factor (

)

reflux ratio (

)

and feedstock flux (

) on mass-transfer in distillation were examined separately. Experimental results indicated that the total number of theoretical units (NTU) of RPB increased with

and

. Of the three kinds of packings

the wave thread packing of stainless steel (Packing Ⅲ) had the best mass transfer efficiency with the height equivalent of a theoretical plate (HETP) of approximately 7.35 mm-23.58 mm

whereas the corrugated disk packing of stainless steel (Packing I) had the worst one with the HETP of about 13.4 mm-48.07 mm. Correlations were developed to describe the mass transfer efficiency for packings. Comparing experimental data with the data calculated by correlation

the average deviate obtained for each packing was 0.72%

1.98%

and 2.7%

respectively

implying that the accuracy of correlations developed was reasonable.

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