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PROBLEM 1 100 kg/hr of palay is dried from 70% moisture content to a final product containing 15% moisture. Dry air (with negligible water content) at 70°C and 760 mm Hg is used as a drying medium. This air stream goes out at 35°C with a partial pressure of water equal to 12 mm Hg. The total pressure of the air stream leaving is 755 mm Hg. 1. Determine the kg of water evaporated per minute. What is the rate of the final product in kg/min? What is the volume of the incoming air (m) fed per minute? 2. 3.

PROBLEM 1 100 kg/hr of palay is dried from 70% moisture content to a final product containing 15% moisture. Dry air (with negligible water content) at 70°C and 760 mm Hg is used as a drying medium. This air stream goes out at 35°C with a partial pressure of water equal to 12 mm Hg. The total pressure of the air stream leaving is 755 mm Hg. 1. Determine the kg of water evaporated per minute. What is the rate of the final product in kg/min? What is the volume of the incoming air (m) fed per minute? 2. 3.

Introduction to Chemical Engineering Thermodynamics
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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PROBLEM 1 100 kg/hr of palay is dried from 70% moisture content to a final product containing 15% moisture. Dry air (with negligible water content) at 70°C and 760 mm Hg is used as a drying medium. This air stream goes out at 35°C with a partial pressure of water equal to 12 mm Hg. The total pressure of the air stream leaving is 755 mm Hg. 1. Determine the kg of water evaporated per minute. What is the rate of the final product in kg/min? 3. What is the volume of the incoming air (m³) fed 2. per minute?
Transcribed Image Text:PROBLEM 1 100 kg/hr of palay is dried from 70% moisture content to a final product containing 15% moisture. Dry air (with negligible water content) at 70°C and 760 mm Hg is used as a drying medium. This air stream goes out at 35°C with a partial pressure of water equal to 12 mm Hg. The total pressure of the air stream leaving is 755 mm Hg. 1. Determine the kg of water evaporated per minute. What is the rate of the final product in kg/min? 3. What is the volume of the incoming air (m³) fed 2. per minute?
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