A 2000 kg batch of pharmaceutical-grade powder containing 7.5% by weight water is dried in a drier. After drying, 95% of the water that enters with the wet powder will have been removed from the powder. a. Draw a diagram of the process. Label ALL streams and indicate stream compositions. Use proper notations and units. b. State a basis. c. Perform an overall material balance and a material balance for each species.
A 2000 kg batch of pharmaceutical-grade powder containing 7.5% by weight water is dried in a drier. After drying, 95% of the water that enters with the wet powder will have been removed from the powder. a. Draw a diagram of the process. Label ALL streams and indicate stream compositions. Use proper notations and units. b. State a basis. c. Perform an overall material balance and a material balance for each species.
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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Material Balance, Water removal
A 2000 kg batch of pharmaceutical-grade powder containing 7.5% by weight water is dried in a drier.
After drying, 95% of the water that enters with the wet powder will have been removed from the powder.
a. Draw a diagram of the process. Label ALL streams and indicate stream compositions. Use proper
notations and units.
b. State a basis.
c. Perform an overall material balance and a material balance for each species.
d. Calculate the final batch composition in wt.%
e. Calculate the final weight of the dried powder (lbm) and the weight of the water removed (lbm).
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