Experimental and Thermal Analysis of Washing the Packed Ice Bed in Wash Columns

被引：11

作者：

Qin, Frank G. F. ^{[2
]}

Yang, Min Lin ^{[2
]}

Yang, Xiao Xi ^{[2
]}

Chen, Xiao Dong ^{[1
]}

Abeynaike, Arjan ^{[3
]}

机构：

[1] Monash Univ, Dept Chem Engn, Clayton Campus, Vic, Australia

[2] DongGuan Univ Technol, Res Ctr Distributed Energy Resource Syst, Dongguan, Peoples R China

[3] Univ Cambridge, Dept Chem Engn & Biotechnol, Cambridge CB2 3RA, England

来源：

AICHE JOURNAL | 2009年 / 55卷 / 11期

关键词：

freeze concentration; wash column; wash front and stability; channeling; viscous fingering; thermal analysis; SURFACE HEAT-EXCHANGER; FREEZE CONCENTRATION; PURIFICATION; SLURRIES; BEHAVIOR;

D O I：

10.1002/aic.11912

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In the process of freeze concentration (FC), the main problems in operating the counter-current wash column used for separating ice from ice slurries are channeling and viscous fingering. These phenomena lead to the mixing of pure water and mother liquid, as well as entrainment of mother liquid within the removed ice. Experimental and thermal analysis of the wash front interface in this research relates ice melting and wash front breakthrough with the operating conditions (such as the wash water temperature, ice bed temperature and porosity). Criteria for wash front stability are proposed. (C) 2009 American Institute of Chemical Engineers AIChE. J, 55: 2835-2847, 2009

引用

页码：2835 / 2847

页数：13

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