Fresh air containing 4.00 mole% water vapor is to be cooled and dehumidified to a water content of 1.70 mole% H2O. A stream of fresh air is combined with a recycle stream of previously dehumidified air and passed through the cooler. The blended stream entering the unit contains 2.30 mole% H2O. In the air conditioner, some of the water in the feed stream is condensed and removed as liquid. A fraction of the dehumidified air leaving the cooler is recycled and the remainder is delivered to a room. Take 100 moles of the dehumidified air delivered to the room as a basis and calculate the moles of fresh feed, moles of water condensed, and moles of dehumidified air recycled

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
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Fresh air containing 4.00 mole% water vapor is to be cooled and dehumidified to a water content of 1.70 mole% H2O. A stream of fresh air is combined with a recycle stream of previously dehumidified air and passed through the cooler. The blended stream entering the unit contains 2.30 mole% H2O. In the air conditioner, some of the water in the feed stream is condensed and removed as liquid. A fraction of the dehumidified air leaving the cooler is recycled and the remainder is delivered to a room. Take 100 moles of the dehumidified air delivered to the room as a basis and calculate the moles of fresh feed, moles of water condensed, and moles of dehumidified air recycled.

Recycle
Feed-
X0os = 0.04
- Dehumidified air
Xo0 = 0.017
n, = 100 moles
AIR-COND
A
X00A = 0.023
Water
Transcribed Image Text:Recycle Feed- X0os = 0.04 - Dehumidified air Xo0 = 0.017 n, = 100 moles AIR-COND A X00A = 0.023 Water
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