Adsorption isotherm data ( 100°F) for EA: pEA, atm 9. lb EAЛЬ С pEA, atm 9. Ib EAЛЬ С 0.0002 0.125 0.0020 0.227 0.0005 0.164 0.0050 0.270 0.0010 0.195 0.0100 0.304 Breakthrough data at 100°F and 1 atm for EA in air at a gas superfi- cial velocity of 60 f/minute in a 2-ft dry bed: Mole Fraction EA Time, Mole Fraction EA Time, in Effluent Minutes in Effluent Minutes 0.00005 60 0.00100 95 0.00010 66 0.00250 120 0.00025 75 0.00475 160 0.00050 84
Adsorption isotherm data ( 100°F) for EA: pEA, atm 9. lb EAЛЬ С pEA, atm 9. Ib EAЛЬ С 0.0002 0.125 0.0020 0.227 0.0005 0.164 0.0050 0.270 0.0010 0.195 0.0100 0.304 Breakthrough data at 100°F and 1 atm for EA in air at a gas superfi- cial velocity of 60 f/minute in a 2-ft dry bed: Mole Fraction EA Time, Mole Fraction EA Time, in Effluent Minutes in Effluent Minutes 0.00005 60 0.00100 95 0.00010 66 0.00250 120 0.00025 75 0.00475 160 0.00050 84
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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Question
Air at a flow rate of 12,000 scfm (60oF, 1 atm) containing 0.5 mol% ethyl acetate (EA) and no water vapor is to be treated with activated carbon (C) (ρb =30 lb/ft3 ) with an equivalent particle diameter of 0.011 ft in a fixed-bed adsorber to remove EA, which will be subsequently stripped from C by steam at 230oF. Based on the following data, determine the diameter and height of the carbon bed, assuming adsorption at 100oF and 1 atm and a time to breakthrough of 8 h with a superficial gas velocity of 60 ft/minute. If the bed height-to-diameter ratio is unreasonable, what change in design basis would you suggest?
Transcribed Image Text:Adsorption isotherm data ( 100°F) for EA:
pEA, atm
9. lb EAЛЬ С
pEA, atm
9. Ib EAЛЬ С
0.0002
0.125
0.0020
0.227
0.0005
0.164
0.0050
0.270
0.0010
0.195
0.0100
0.304
Breakthrough data at 100°F and 1 atm for EA in air at a gas superfi-
cial velocity of 60 f/minute in a 2-ft dry bed:
Mole Fraction EA
Time,
Mole Fraction EA
Time,
in Effluent
Minutes
in Effluent
Minutes
0.00005
60
0.00100
95
0.00010
66
0.00250
120
0.00025
75
0.00475
160
0.00050
84
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