Imaging of filter cakes through electrical impedance tomography

被引：7
|
作者：
Tarleton, ES
Hancock, DL
机构：
[1] Department of Chemical Engineering, Loughborough University of Technology, Loughborough
来源：
FILTRATION & SEPARATION | 1996年 / 33卷 / 06期
关键词：
Biological filter beds - Calcium compounds - Computer control - Data acquisition - Dewatering - Electric impedance measurement - Electrodes - Imaging techniques - Scanning - Suspensions (fluids) - Washing - Wine;
D O I：
10.1016/S0015-1882(97)84314-5
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
An experimental rig capable of automatically sequencing and collecting data from a dead-end pressure filter is described, The computer-controlled apparatus uses electrical impedance measurements in multiple vertical scanning planes to determine the status of a filter cake during either the cake formation, gas dewatering or displacement washing phases of a filter cycle, The data acquired are displayed in real time during a test in conjunction with liquor flow rates, Initial results from an experimental programme are presented, which show the filtration and dewatering characteristics of aqueous-based calcium carbonate suspensions, The importance of data acquisition and system control are discussed, and an outline of future developments is given.
引用
收藏
页码：491 / 494
页数：4
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