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栀子黄色素低温真空干燥模型建立与评价(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2011年05期
Page:
95-98
Column:
研究论文
publishdate:
2011-09-30

Article Info:/Info

Title:
Modeling and evaluation of lowtemperature racuum drying of Gardenia yellow pigment
Author(s):
LIU Wei12 HUANG Lixin12*ZHANG Caihong12 XIE Pujun12 A S Mujumdar*
1.Institute of Chemical Industry of Forest Products, CAF; Key and Open Lab.on Forest Chemical Engineering, SFA,Nanjing 210042, China;2.Institute of New Technology of Forestry, CAF,Beijing 100091,China; 3.Department of Mechanical Engineering, National University of Singapore, Singapore 119260
Keywords:
lowtemperature vacuum drying pigment thinlayer drying mathematical model
Classification number :
TQ351.0;TQ02
DOI:
10.3969/j.jssn.1000-2006.2011.05.021
Document Code:
A
Abstract:
The test was performed with the heating temperature of 45 ℃, the vacuum level of 008 MPa, solution thickness of 7 mm and the solution mass concentration of 20 %. The drying kinetics for lowtemperature vacuum drying of Gardenia yellow pigment solution were studied. Eight frequentlyused mathematical models in describing the characteristics of thinlayer drying were simulated using Matlab. The simulation results showed that Page model gave the best prediction. Validation experiment also showed that Page model could describe and predict the relationship between the moisture ratio and drying time for lowtemperature vacuum drying of Gardenia yellow pigment solution very well.

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Last Update: 2011-09-30