The solubility of ammonium chloride (NH4Cl) depends on temperature as shown in the graph on the side. A saturated solution of ammonium chloride and water enters a cooler/crystallizer at 70°C. At the crystallizer: 40% of the incoming ammonium chloride is recovered in crystalline form 4% of the incoming water evaporates. The exiting ammonium chloride – water solution is saturated. Determine the crystallizer’s operating temperature. (approximately 20°C)
The solubility of ammonium chloride (NH4Cl) depends on temperature as shown in the graph on the side. A saturated solution of ammonium chloride and water enters a cooler/crystallizer at 70°C. At the crystallizer: 40% of the incoming ammonium chloride is recovered in crystalline form 4% of the incoming water evaporates. The exiting ammonium chloride – water solution is saturated. Determine the crystallizer’s operating temperature. (approximately 20°C)
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
100%
The solubility of ammonium chloride (NH4Cl)
depends on temperature as shown in the graph on the
side.
A saturated solution of ammonium chloride and
water enters a cooler/crystallizer at 70°C. At the
crystallizer:
40% of the incoming ammonium chloride is
recovered in crystalline form
4% of the incoming water evaporates.
The exiting ammonium chloride – water
solution is saturated.
Determine the crystallizer’s operating temperature.
(approximately 20°C)
Transcribed Image Text:SOLUBILITY CURVES
KI
140
130
120
I1 0
100
NONO
KNO3
90
80
HC
70
NH, CI
60
KCI
50
40
NaCl-
30
KC1O3
20
10
O 10 20 30 40 50 do 70 80 90 1OO
TEMPERATURE °C
GRAMS OF ŠÓLUTE / I00g H0
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