Journal
CHEMICAL ENGINEERING RESEARCH & DESIGN
Volume 88, Issue 4A, Pages 447-454Publisher
INST CHEMICAL ENGINEERS
DOI: 10.1016/j.cherd.2009.09.006
Keywords
Crystallization; Imaging; Instrumentation; Particle size; Particle shape; Particulate processes
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In this work, a technique capable of restoring bidimensional particle size distributions from images of the particles in suspension is applied to the seeded cooling crystallization of paracetamol from water. The effects of cooling rate and stirring rate on the final particle size and shape are studied and the average growth rates along different directions of particles are found to be strongly dependend on supersaturation. This observation is in line with previous studies, though in this work it has been established for the first time using populations of particles. The technique was capable of quantifying changes in particle size and shape, indicating particle sizes and shapes that correlated well with observations from electron microscopy images. (C) 2009 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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