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B) What is the rate of air flow to the dryer dry basis? on a

B) What is the rate of air flow to the dryer dry basis? on a

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
Problem 1.1P
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Is the rate of air flow is equal to 81,500kg/hr?? 

3. A material containing 75% water and 25% solid is fed to a granulator at a rate of 4000 kg/hr. The feed is premixed in the granulator with recycled product from a dryer which follows the granulator (to reduce the water concentration of the overall material in the granulator to 50% water. 50% solid). The product that leaves the dryer contains 16.7% water. In the dryer, air is passed over the solid being dried. The air entering the dryer contains 3% water by weight (mass) .and the air leaving the dryer contains 6% water by weight (mass). A) What is the recycle ratio to the granulator? B) What is the rate of air flow to the dryer on a dry basis?
Transcribed Image Text:3. A material containing 75% water and 25% solid is fed to a granulator at a rate of 4000 kg/hr. The feed is premixed in the granulator with recycled product from a dryer which follows the granulator (to reduce the water concentration of the overall material in the granulator to 50% water. 50% solid). The product that leaves the dryer contains 16.7% water. In the dryer, air is passed over the solid being dried. The air entering the dryer contains 3% water by weight (mass) .and the air leaving the dryer contains 6% water by weight (mass). A) What is the recycle ratio to the granulator? B) What is the rate of air flow to the dryer on a dry basis?
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