MASS TRANSFER KINETICS OF EPA AND DHA IN SUPERCRITICAL FLUID CHROMATOGRAPHY

REN Qilong; SU Baogen; XIONG Rentian; WU Pingdong

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MASS TRANSFER KINETICS OF EPA AND DHA IN SUPERCRITICAL FLUID CHROMATOGRAPHY

更新时间：2025-12-10

- MASS TRANSFER KINETICS OF EPA AND DHA IN SUPERCRITICAL FLUID CHROMATOGRAPHY
- CIESC Journal Issue 9, (2001)
- 作者机构：
  
  浙江大学二次资源化工国家专业实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 September 2001，
  
  Published：25 September 2001
- 稿件说明：
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REN Qilong, SU Baogen, XIONG Rentian, et al. MASS TRANSFER KINETICS OF EPA AND DHA IN SUPERCRITICAL FLUID CHROMATOGRAPHY[J]. CIESC Journal, 2001, (9).
DOI：

REN Qilong, SU Baogen, XIONG Rentian, et al. MASS TRANSFER KINETICS OF EPA AND DHA IN SUPERCRITICAL FLUID CHROMATOGRAPHY[J]. CIESC Journal, 2001, (9). DOI：

摘要

用超临界流体色谱 (SFC)法研究了EPA和DHA在C18上的吸附和传质性能 .建立了色谱动力学模型并获得了模型参数

较好地拟合了实验流出曲线 .结果表明吸附平衡、轴向弥散、流体相传质和颗粒内有效扩散都是影响SFC分离EPA和DHA的重要因素

Abstract

Supercritical fluid chromatography (SFC) was used to study the adsorption equilibrium and mass transfer properties for eicosapentaenoic acid(EPA) and docosahexaenoic acid(DHA) on C 18 by means of impulse response technique. In order to estimate the adsorption constant and rate constants

a kinetic model was established. Chromatographic curves were calculated by using the parameters obtained from experiments

and the agreement between the experimental and calculated curves was good. It was indicated that adsorption equilibrium

axial dispersion

mass transfer and effective diffusion are important factors that influence the separation of EPA and DHA by SFC.

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