MASS TRANSFER CHARACTERISTICS IN HIGH PRESSURE   DISTILLATION COLUMN PACKED WITH STRUCTURED PACKING

刘春江; 王利东; 袁希钢; 余国琮

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MASS TRANSFER CHARACTERISTICS IN HIGH PRESSURE DISTILLATION COLUMN PACKED WITH STRUCTURED PACKING

更新时间：2025-12-10

- MASS TRANSFER CHARACTERISTICS IN HIGH PRESSURE DISTILLATION COLUMN PACKED WITH STRUCTURED PACKING
- CIESC Journal Issue 1, (2001)
- 作者机构：
  
  天津大学化学工程研究所、国家重点精馏分离实验室!天津300072,天津大学化学工程研究所、国家重点精馏分离实验室!天津300072,天津大学化学工程研究所、国家重点精馏分离实验室!天津300072,天津大学化学工程研究所、国家重点精馏分离实验室,天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q028
- Online First：25 January 2001，
  
  Published：25 January 2001
- 稿件说明：
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刘春江, 王利东, 袁希钢, et al. MASS TRANSFER CHARACTERISTICS IN HIGH PRESSURE DISTILLATION COLUMN PACKED WITH STRUCTURED PACKING[J]. CIESC Journal, 2001, (1).
DOI：

刘春江, 王利东, 袁希钢, et al. MASS TRANSFER CHARACTERISTICS IN HIGH PRESSURE DISTILLATION COLUMN PACKED WITH STRUCTURED PACKING[J]. CIESC Journal, 2001, (1). DOI：

摘要

Abstract

Experiments were conducted in the high pressure distillation column containing corrugated structured packing of Mellapak 250Y under operating pressure from 0.3 MPa to 2 MPa

using n -butane and n -pentane mixture as the separating material. The height equivalent to a theoretical plate (HETP) was evaluated from the measured n -butane liquid concentration profile along the packing. After carefully analyzed

the HETP may be reasonably divided into two parts. The first part is the ideal height of mass transfer unit

which is caused by the mass transfer resistance between vapor and liquid. Another part is the height of backmixing unit (HBU)

which is caused by the backmixing of vapor and liquid. The parameters of HBU correlation were evaluated by the experimental data. The present HETP correlation was used to predict the experimental results in literature

and well agreement was found between them.

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