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A gas containing water vapor has a dry-basis composition

Elementary Principles of Chemical Processes | 3rd Edition | ISBN: 9780471687573 | Authors: Richard M Felder ISBN: 9780471687573 143

Solution for problem 8.27 Chapter 8

Elementary Principles of Chemical Processes | 3rd Edition

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Elementary Principles of Chemical Processes | 3rd Edition | ISBN: 9780471687573 | Authors: Richard M Felder

Elementary Principles of Chemical Processes | 3rd Edition

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Problem 8.27

A gas containing water vapor has a dry-basis composition of 8.5 mole% CO, 10.5% COz, 0.5% O2, and 80.5% Nz. The gas leaves a catalyst regeneration unit at 620C and 1 atm with a dew point of 57C at a flow rate of 28.5 SCMH [m3 (STP)/h]. Valuable solid catalyst particles entrained in the gas are to be recovered in an electrostatic precipitator, but the gas must first be cooled to 425C to prevent damage to the precipitator electrodes. The cooling is accomplished by spraying water at 20C into the gas. (a) Use simultaneous material and energy balances on the spray cooler to calculate the required water feed rate (kg/h). Treat the spray cooler as adiabatic and neglect the heat transferred from the entrained solid particles as they cool. (b) In terms that a high school senior could understand, explain the operation of the spray cooler in this problem. (What happens when the cold water contacts the hot gas?)

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LE08 Colligative Properties Wednesday, January 27, 2016 1:15 PM Colligative Properties are properties of solutions that depend on the particular solvent and on the concentration, buy they do not depend on the nature of the solute. When the solute and the solvent have identical IMFs, the enthalpy of solution is equal to zero (∆H solutio= 0) because making the solution has no effect on the PE of the molecules (ions) Mixing the solution WILL raise the entropy of the solution (∆S solutio= 0) Colligative properties ----> entropic effect - a result of the second law (entropy increase) • Vapor Pressure Lowering (Raoult's Law): vp ofa solution will be lower than the pure subs. This is the basis of understanding distillation. Same idea as bp elevation. • Boiling Po

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Chapter 8, Problem 8.27 is Solved
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Textbook: Elementary Principles of Chemical Processes
Edition: 3
Author: Richard M Felder
ISBN: 9780471687573

The full step-by-step solution to problem: 8.27 from chapter: 8 was answered by , our top Chemistry solution expert on 11/15/17, 02:42PM. Since the solution to 8.27 from 8 chapter was answered, more than 419 students have viewed the full step-by-step answer. Elementary Principles of Chemical Processes was written by and is associated to the ISBN: 9780471687573. The answer to “A gas containing water vapor has a dry-basis composition of 8.5 mole% CO, 10.5% COz, 0.5% O2, and 80.5% Nz. The gas leaves a catalyst regeneration unit at 620C and 1 atm with a dew point of 57C at a flow rate of 28.5 SCMH [m3 (STP)/h]. Valuable solid catalyst particles entrained in the gas are to be recovered in an electrostatic precipitator, but the gas must first be cooled to 425C to prevent damage to the precipitator electrodes. The cooling is accomplished by spraying water at 20C into the gas. (a) Use simultaneous material and energy balances on the spray cooler to calculate the required water feed rate (kg/h). Treat the spray cooler as adiabatic and neglect the heat transferred from the entrained solid particles as they cool. (b) In terms that a high school senior could understand, explain the operation of the spray cooler in this problem. (What happens when the cold water contacts the hot gas?)” is broken down into a number of easy to follow steps, and 159 words. This textbook survival guide was created for the textbook: Elementary Principles of Chemical Processes, edition: 3. This full solution covers the following key subjects: gas, Water, spray, cooler, precipitator. This expansive textbook survival guide covers 13 chapters, and 710 solutions.

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A gas containing water vapor has a dry-basis composition