17. [Vaporization/Condensation] Acetone is used as solvent in a certain process. Recovery of acetone is done by evaporation into a stream of N2. In the solvent recovery unit 50 kg of acetone are evaporated/hr. The gas entering is at 35°C, 750 mm Hg with a partial pressure of acetone of 10 mm Hg. The gas leaving is at 30°C, 740 mm Hg with 85% saturation. Calculate: a) m3 of entering gas/hr; b) m3 of exit gas/hr.
17. [Vaporization/Condensation] Acetone is used as solvent in a certain process. Recovery of acetone is done by evaporation into a stream of N2. In the solvent recovery unit 50 kg of acetone are evaporated/hr. The gas entering is at 35°C, 750 mm Hg with a partial pressure of acetone of 10 mm Hg. The gas leaving is at 30°C, 740 mm Hg with 85% saturation. Calculate: a) m3 of entering gas/hr; b) m3 of exit gas/hr.
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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![17. [Vaporization/Condensation] Acetone is used as solvent in a certain process. Recovery of
acetone is done by evaporation into a stream of N2. In the solvent recovery unit 50 kg of
acetone are evaporated/hr. The gas entering is at 35°C, 750 mm Hg with a partial pressure
of acetone of 10 mm Hg. The gas leaving is at 30°C, 740 mm Hg with 85% saturation.
Calculate: a) m3 of entering gas/hr; b) m3 of exit gas/hr.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fda35d60a-4d43-4398-a065-dde5bca0da49%2F41cd5c07-2a3b-4e84-8c32-2dfb70552550%2Fzsfi2ex_processed.png&w=3840&q=75)
Transcribed Image Text:17. [Vaporization/Condensation] Acetone is used as solvent in a certain process. Recovery of
acetone is done by evaporation into a stream of N2. In the solvent recovery unit 50 kg of
acetone are evaporated/hr. The gas entering is at 35°C, 750 mm Hg with a partial pressure
of acetone of 10 mm Hg. The gas leaving is at 30°C, 740 mm Hg with 85% saturation.
Calculate: a) m3 of entering gas/hr; b) m3 of exit gas/hr.
Expert Solution
Step 1
The moles are calculated from given pressure temperature and volume . The molecular weight of mixture is calculated from by sum of product of mole fraction and molecular weight of nitrogen and acetone. The mass flow rate is obtained from the product of moles and molecular weight of the mixture. In outlet , the moles of acetone recovered is calculated and then the flow rate is obtained.
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