Prediction of the collection efficiency, the porosity, and the pressure drop across filter cakes in particulate air filtration

被引：21
|
作者：
Al-Otoom, AY [1 ]
机构：
[1] Univ Mutah, Dept Chem Engn, Mutah 61710, Karak, Jordan
来源：
ATMOSPHERIC ENVIRONMENT | 2005年 / 39卷 / 01期
关键词：
filter cake; model; porosity; pressure drop;
D O I：
10.1016/j.atmosenv.2004.09.057
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study presents a new statistical model to predict the collection efficiency, cake thickness. cake porosity. and pressure drop across filter cakes during the particulate filtration of gases. This model is based on generation Of a random distribution of particle sizes and particle falling locations. The model predicts the cake collection efficency. which was found to be strongly dependent on the ratio of the mean particle size to the mean pore size of the filter medium. The average cake porosity decreases with increasing cake thickness and the pressure drop increases when the mean particle diameter decreases. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：51 / 57
页数：7
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