Equivalent Cake Filtration Model

›› 2008, Vol. 16 ›› Issue (2): 214-217.

Equivalent Cake Filtration Model

徐坦¹, 朱企新¹, 陈旭¹, 李文苹²

1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2. Agrilectric Research Company Lake Charles, LA70615, USA

收稿日期:2007-09-11 修回日期:2008-02-20 出版日期:2008-04-28 发布日期:2008-04-28
通讯作者: ZHU Qixin,E-mail:qxzhu@eyou.com

Equivalent Cake Filtration Model

XU Tan¹, ZHU Qixin¹, CHEN Xu¹, LI Wenping²

1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2. Agrilectric Research Company Lake Charles, LA70615, USA

Received:2007-09-11 Revised:2008-02-20 Online:2008-04-28 Published:2008-04-28

摘要/Abstract

摘要： Cake filtration has been widely used in many chemical processes with more non-Newtonian,highly viscous and compressible materials involved.Neither traditional nor modern filtration theory can be applied in practice."Equivalent cake filtration model"is a recently developed mathematical model to describe cake filtration for both Newtonian and non-Newtonian fluids,in either steady or unsteady filtration stages.This model has two strengths:(1)It can be used to determine equivalent capillary radii and predict filtration quality based on the properties of solid/liquid system and operation parameters;and(2)to calculate cake specific resistance and its variations with time at various cake thickness locations.

关键词: cake filtration, equivalent cake filtration model, specific cake resistance, filtrate rate, filtrate quality, equivalent capillary radii, non-Newtonian filtration

Abstract: Cake filtration has been widely used in many chemical processes with more non-Newtonian,highly viscous and compressible materials involved.Neither traditional nor modern filtration theory can be applied in practice."Equivalent cake filtration model"is a recently developed mathematical model to describe cake filtration for both Newtonian and non-Newtonian fluids,in either steady or unsteady filtration stages.This model has two strengths:(1)It can be used to determine equivalent capillary radii and predict filtration quality based on the properties of solid/liquid system and operation parameters;and(2)to calculate cake specific resistance and its variations with time at various cake thickness locations.

Key words: cake filtration, equivalent cake filtration model, specific cake resistance, filtrate rate, filtrate quality, equivalent capillary radii, non-Newtonian filtration

徐坦, 朱企新, 陈旭, 李文苹. Equivalent Cake Filtration Model[J]. , 2008, 16(2): 214-217.

XU Tan, ZHU Qixin, CHEN Xu, LI Wenping. Equivalent Cake Filtration Model[J]. , 2008, 16(2): 214-217.

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[2]	谭蔚, 鲁淑群, 伍云涛, 朱企新. 助滤剂特性的理论分析与研究[J]. , 2003, 11(3): 249-252.

Equivalent Cake Filtration Model

Equivalent Cake Filtration Model

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