The fresh feed to the process is 10,000 lb/hr of a 40wt% aqueous NaOH solution. The fresh feed is combined with the recycled filtrate from the crystallizer, and fed to the evaporator where water is removed to produce a 50wt% NaOH solution, which in turn is fed to the crystallizer. The crystallizer produces a filter cake that is 95% NaOH crystals and 5% solution that itself consists of 45wt% NaOH. The filtrate contains 45wt% NaOH. Calculate the flow rate of water removed by the evaporator (W), and the recycle rate for this process (R)!
The fresh feed to the process is 10,000 lb/hr of a 40wt% aqueous NaOH solution. The fresh feed is combined with the recycled filtrate from the crystallizer, and fed to the evaporator where water is removed to produce a 50wt% NaOH solution, which in turn is fed to the crystallizer. The crystallizer produces a filter cake that is 95% NaOH crystals and 5% solution that itself consists of 45wt% NaOH. The filtrate contains 45wt% NaOH. Calculate the flow rate of water removed by the evaporator (W), and the recycle rate for this process (R)!
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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The fresh feed to the process is 10,000 lb/hr of a 40wt% aqueous NaOH solution. The fresh
feed is combined with the recycled filtrate from the crystallizer, and fed to the evaporator
where water is removed to produce a 50wt% NaOH solution, which in turn is fed to the
crystallizer. The crystallizer produces a filter cake that is 95% NaOH crystals and 5%
solution that itself consists of 45wt% NaOH. The filtrate contains 45wt% NaOH.
Calculate the flow rate of water removed by the evaporator (W), and the recycle rate for this
process (R)!
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