Answered: Raffinate Extract Flow rate, Ib/h…

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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Acetic acid is extracted from a dilute aqueous solution with isopropylether at 25^oC in a countercurrent cascade of mixer-settler units. In one unit, the following conditions apply:Interfacial tension=13.5 dyne/cm. If the raffinate is the dispersed phase and the mixer residence time is 2.5 minutes, estimate for the mixer the: (a) dimensions of a closed, baffled vessel; (b) diameter of
a flat-bladed impeller; (c) minimum rate of impeller rotation in rpm for uniform dispersion; and (d) agitator power requirement at the minimum rate of rotation.

Raffinate
Extract
Flow rate, Ib/h
Density, Ib/ft
Viscosity, cP
21,000
63.5
3.0
52,000
45.3
1.0

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