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Validation of Floc Size Measurements Made with Flow Particle Image Analyzer (FPIA) Open Access


Other title
particle size measurement
floc size distribution
Flow Particle Image Analyzer (FPIA)
Malvern Mastersizer
kaolinite flocs
Type of item
Degree grantor
University of Alberta
Author or creator
Saadat, Marzieh
Supervisor and department
Sanderds, Sean (Chemical and Materials Engineering)
Examining committee member and department
Nazemifard, Neda (Chemical and Materials Engineering)
Xu, Zhenghe (Chemical and Materials Engineering)
Department of Chemical and Materials Engineering
Chemical Engineering
Date accepted
Graduation date
Master of Science
Degree level
Clay flocs exist in different streams of the oil sands extraction process and in tailings treatment. The clay fraction in these streams has a significant effect on design and operation of slurry pipelines, flotation efficiency, sludging in the separation vessel, froth treatment and tailings behavior. The size of clay flocs plays an important role in determining the behavior of colloidal suspensions. The Flow Particle Image Analyzer (FPIA) is an image analysis based instrument used for particle size measurement. In this study, floc size measurements are made for suspensions of kaolinite in water. Size analysis results are additionally obtained using the Malvern Mastersizer and microscopy. The results of this study indicate that the Mastersizer is not an appropriate option for floc size measurement. However, the microscopy results were in good agreement with the FPIA measurements.
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