For example, consider a problem in crystallization. The problem may be simply stated: Determine the amount of sugar (water-free basis) that can be produced from 100 kg of sugar solution that contains 20% by weight of sugar and 1% of a water-soluble uncrystallizable impurity. The solution is concentrated to 75% sugar, cooled to 20°C, centrifuged, and the crystals dried. The problem statement is indeed adequate to draw a process flow diagram. This is shown in Fig. 3.1.

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
Problem 1.1P
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Question
20%
Sugar
Solution
Evaporator
Crystallizer
Centrifuge
Drier
Dry
Crystals
Figure 3.1 Process flow diagram for a crystallization problem.
For example, consider a problem in crystallization. The problem may be simply stated: Determine
the amount of sugar (water-free basis) that can be produced from 100 kg of sugar solution that
contains 20% by weight of sugar and 1% of a water-soluble uncrystallizable impurity. The solution is
concentrated to 75% sugar, cooled to 20°C, centrifuged, and the crystals dried.
The problem statement is indeed adequate to draw a process flow diagram. This is shown in
Fig. 3.1.
Transcribed Image Text:20% Sugar Solution Evaporator Crystallizer Centrifuge Drier Dry Crystals Figure 3.1 Process flow diagram for a crystallization problem. For example, consider a problem in crystallization. The problem may be simply stated: Determine the amount of sugar (water-free basis) that can be produced from 100 kg of sugar solution that contains 20% by weight of sugar and 1% of a water-soluble uncrystallizable impurity. The solution is concentrated to 75% sugar, cooled to 20°C, centrifuged, and the crystals dried. The problem statement is indeed adequate to draw a process flow diagram. This is shown in Fig. 3.1.
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