EBK INTRODUCTION TO CHEMICAL ENGINEERIN
8th Edition
ISBN: 9781259878091
Author: SMITH
Publisher: MCGRAW HILL BOOK COMPANY
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Textbook Question
Chapter 14, Problem 14.37P
Set up the equations required for solution of Ex. 14.14 by the method of equilibrium constants. Verify that your equations yield the same equilibrium compositions as given in the example.
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graphically +material balance
1000 Kg/hr on an acetone water mixture containing 10% of acetone is to be extracted with
trichloroethane. The recovered solvent to be used is free of acetone. If 95% recovery of acetone is desired, the
equilibrium relationship is given by kg acetone/kg trichloroethane 1.65 kg acetone/kg water.
Estimate the number of stages required if 1.5 times the minimum solvent is used when: -
a-
b-
Cross-current is to be extracted.
b- Counter-current is to be extracted.
use Graphically
1000 Kg/hr on an acetone water mixture containing 10% of acetone is to be extracted with
trichloroethane. The recovered solvent to be used is free of acetone. If 95% recovery of acetone is desired, the
equilibrium relationship is given by kg acetone/kg trichloroethane 1.65 kg acetone/kg water.
Estimate the number of stages required if 1.5 times the minimum solvent is used when: -
Cross-current is to be extracted.
a-
b-
b- Counter-current is to be extracted.
A solution of 5% acetaldehyde in toluene is to be extracted with water in five stage co-current operation.
If 25kg/100kg feed is used, what is the mass of acetaldehyde extracted and the final concentration?
The Equilibrium relation is given by: kg acetaldehyde /kg water = 2.2 kg acetaldehyde / kg toluene.
Chapter 14 Solutions
EBK INTRODUCTION TO CHEMICAL ENGINEERIN
Ch. 14 - Prob. 14.1PCh. 14 - A system initially containing 2 mol C2H4 and 3 mol...Ch. 14 - A system formed initially of 2 mol CO2 , 5 mol H2...Ch. 14 - Consider the water-gas-shift reaction:...Ch. 14 - Rework Prob. 14.4 for a temperature of: (a) HOOK:...Ch. 14 - Use the method of equilibrium constants to verify...Ch. 14 - Prob. 14.7PCh. 14 - For ideal gases, exact mathematical expressions...Ch. 14 - For the ammonia synthesis reaction written:...Ch. 14 - Peter. Paul, and Mary, members of a thermodynamics...
Ch. 14 - The following reaction reaches equilibrium at...Ch. 14 - The following reaction reaches equilibrium at...Ch. 14 - The following reaction reaches equilibrium at...Ch. 14 - The following reaction, hydrogenation of styrene...Ch. 14 - The gas stream from a sulfur burner is composed of...Ch. 14 - Prob. 14.16PCh. 14 - Ethylene is produced by the dehydrogenation of...Ch. 14 - The production of 1,3-butadiene can be carried out...Ch. 14 - The production of 1,3-butadiene can be carried out...Ch. 14 - For the ammonia synthesis reaction, 12N2g+32H2NH3g...Ch. 14 - Prob. 14.21PCh. 14 - Prob. 14.22PCh. 14 - Ammonium chloride NH4Cls decomposes upon heating...Ch. 14 - A chemically reactive system contains the...Ch. 14 - The relative compositions of the pollutants NO and...Ch. 14 - Carbon black is produced by the decomposition of...Ch. 14 - Consider the reactions 12N2g+12O2gNOg12N2g+O2gNO2g...Ch. 14 - Oil refineries often have both H2S and SO2 to...Ch. 14 - Species N2O4 and NO2 as gases come to equilibrium...Ch. 14 - The following isomerization reaction occurs in the...Ch. 14 - Prob. 14.32PCh. 14 - The feed gas to a methanol synthesis reactor is...Ch. 14 - Prob. 14.34PCh. 14 - Consider the gas-phase isomerization reaction: ....Ch. 14 - A low-pressure, gas-phase isomerization reaction,...Ch. 14 - Set up the equations required for solution of Ex....Ch. 14 - Reaction-equilibrium calculations may be useful...Ch. 14 - Ethylene oxide as a vapor and water as liquid,...Ch. 14 - In chemical-reaction engineering, special measures...Ch. 14 - The following problems involving chemical-reaction...Ch. 14 - The following is an industrial-safety rule of...Ch. 14 - Prob. 14.43PCh. 14 - The standard heat of reaction A/f3 for gas-phase...Ch. 14 - Ethanol is produced from ethylene via the...Ch. 14 - A good source for formation data for compounds is...Ch. 14 - Reagent-grade, liquid-phase chemicals often...Ch. 14 - Cracking propane is a route to light olefin...Ch. 14 - Equilibrium at 425 K and 15 bar is established for...
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