MSMPR model describes the system.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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2. A 1 L, 100 g (dry weight) sample is removed from a continuous crystallizer which is
operated with a residence time of 1000 s. The following particle size distribution is obtained
for the sample:
i)
Size
range
(um)
Mass (g)
200- 300- 400 500 600-700- 800-
300 400 500 600 700 800 900
0-
100-
100 200
2.5 26.0 30.0 21.0 12.0 6.0 2.0 0.5
0.0
Microscopy based on the sieve fractions has found that a volumetric shape
correction factor, ky, of 0.52, for the crystal population and the crystal density has
been found to be 2000 kg/m³
Determine whether the MSMPR model describes the system.
If it does so, then determine the growth and nucleation rates for this system; if it
does not, suggest why reasons that may cause deviation of this CSTR type
crystallizer from the MSMPR model.
Transcribed Image Text:2. A 1 L, 100 g (dry weight) sample is removed from a continuous crystallizer which is operated with a residence time of 1000 s. The following particle size distribution is obtained for the sample: i) Size range (um) Mass (g) 200- 300- 400 500 600-700- 800- 300 400 500 600 700 800 900 0- 100- 100 200 2.5 26.0 30.0 21.0 12.0 6.0 2.0 0.5 0.0 Microscopy based on the sieve fractions has found that a volumetric shape correction factor, ky, of 0.52, for the crystal population and the crystal density has been found to be 2000 kg/m³ Determine whether the MSMPR model describes the system. If it does so, then determine the growth and nucleation rates for this system; if it does not, suggest why reasons that may cause deviation of this CSTR type crystallizer from the MSMPR model.
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