EXTRACTION OF EGG YOLK OIL WITH SUPERCRITICAL CARBON   DIOXIDE: EXPERIMENTS AND MODELING

吴卫泽; 武练增; 刘振宇

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EXTRACTION OF EGG YOLK OIL WITH SUPERCRITICAL CARBON DIOXIDE: EXPERIMENTS AND MODELING

更新时间：2025-12-10

- EXTRACTION OF EGG YOLK OIL WITH SUPERCRITICAL CARBON DIOXIDE: EXPERIMENTS AND MODELING
- CIESC Journal Issue 2, (2001)
- 作者机构：
  
  中国科学院山西煤炭化学研究所煤转化国家重点实验室!山西太原030001,中国科学院山西煤炭化学研究所煤转化国家重点实验室!山西太原030001,中国科学院山西煤炭化学研究所煤转化国家重点实验室,山西,太原,030001
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q028
- Online First：25 February 2001，
  
  Published：25 February 2001
- 稿件说明：
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吴卫泽, 武练增, 刘振宇. EXTRACTION OF EGG YOLK OIL WITH SUPERCRITICAL CARBON DIOXIDE: EXPERIMENTS AND MODELING[J]. CIESC Journal, 2001, (2).
DOI：

吴卫泽, 武练增, 刘振宇. EXTRACTION OF EGG YOLK OIL WITH SUPERCRITICAL CARBON DIOXIDE: EXPERIMENTS AND MODELING[J]. CIESC Journal, 2001, (2). DOI：

摘要

在萃取器为 1.2L的试验装置上

在温度为 45℃、压力为 32 .0MPa、原料粒度 (D)为 1.2mm的条件下

进行了超临界CO2 萃取蛋黄油的研究 .考察了CO2 的流量和原料粒度对萃取的影响 .建立了超临界CO2 萃取蛋黄油的数学模型

该模型能较好地反映实际萃取过程 .根据模拟结果得到外扩散传质系数和流体流速的 0 .5 48次方成正比

Abstract

Extraction of egg yolk oil (EYO) from egg yolk powder with supercritical carbon dioxide(SC-CO 2) was performed at 45 ℃ and 32.0 MPa in a 1.2 L laboratory apparatus. The effects of particle size and flow rate of CO 2 on the extraction were investigated. The controlling steps in extraction were external diffusion of EYO and equilibrium of EYO between SC-CO 2 and matrix. A mathematical model was developed for simulating the extraction process . The model could simulate satisfactorily the process of extraction of EYO with SC-CO 2. The volumetric mass transfer coefficient K f a was directly proportional to the flow rate of CO 2 with an exponent of 0.548

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