EBK MATERIALS SCIENCE AND ENGINEERING,
9th Edition
ISBN: 9781118717189
Author: Callister
Publisher: YUZU
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Question
Chapter 5.7, Problem 39QP
To determine
The activation energy for the two hypothetical metals.
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Students have asked these similar questions
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.
Feed mixture weighing 200 kg of unknown composition containing water, acetic acid, isopropyl ether is
contacted in a single stage with 280kg mixture containing 40wt% acetic acid. 10wt% water and 50wt% isopropyl
ether. The resulting raffinate layer weight 320 kg and containing 29.5wt% acetic acid, 66.5 wt% water and 4wt%
isopropyl ether. Determine the composition of the original feed mixture and the extract layer
Water layer
Isopropyl ether layer
acetic acid
water
Isopropyl ether
acetic acid
water
Isopropyl ether
0
98.8
1.2
0
0.6
99.4
0.69
98.1
1.2
0.18
0.5
99.3
1.41
97.1
1.5
0.37
0.7
98.9
2.89
95.5
1.6
0.79
0.8
98.4
6.42
91.7
1.9
1.93
1
97.1
13.3
84.4
2.3
4.82
1.9
93.3
25.5
71.1
3.4
11.4
3.9
84.7
36.7
58.9
4.4
21.6
6.9
71.5
44.3
5.1
10.6
31.1
10.8
58.5
46.4
37.1
16.5
36.2
15.1
48.7
One thousand kg/h of a (50-50 wt%) acetone-in-water solution is to be extracted at 25C in a continuous,
countercurrent system with pure 1,1,2-trichloroethane to obtain a raffinate containing 10 wt% acetone. Using the
following equilibrium data, determine with an equilateral-triangle diagram:
a- the minimum flow rate of solvent;
b- the number of stages required for a solvent rate equal to 1.5 times minimum, and composition of each
streamleaving each stage.
c- Repeat the calculation of (a) and (b) if the solvent used has purity 93wt% (4wr% acetone, 3wt% water
impurities)
acetone water
1,1,2-trichloroethane
Raffinate. Weight
Extract. Weight
0.6
0.13
0.27
Fraction Acetone
Fraction Acetone
0.5
0.04
0.46
0.44
0.56
0.4
0.03
0.57
0.29
0.40
0.3
0.02
0.68
0.12
0.18
0.2
0.015
0.785
0.0
0.0
0.1
0.01
0.89
0.55
0.35
0.1
0.5
0.43
0.07
0.4
0.57
0.03
0.3
0.68
0.02
0.2
0.79
0.01
0.1
0.895
0.005
Chapter 5 Solutions
EBK MATERIALS SCIENCE AND ENGINEERING,
Ch. 5.7 - Prob. 1QPCh. 5.7 - Prob. 2QPCh. 5.7 - Prob. 3QPCh. 5.7 - Prob. 4QPCh. 5.7 - Prob. 5QPCh. 5.7 - Prob. 6QPCh. 5.7 - Prob. 7QPCh. 5.7 - Prob. 8QPCh. 5.7 - Prob. 9QPCh. 5.7 - Prob. 10QP
Ch. 5.7 - Prob. 11QPCh. 5.7 - Prob. 12QPCh. 5.7 - Prob. 13QPCh. 5.7 - Prob. 14QPCh. 5.7 - Prob. 15QPCh. 5.7 - Prob. 16QPCh. 5.7 - Prob. 17QPCh. 5.7 - Prob. 18QPCh. 5.7 - Prob. 19QPCh. 5.7 - Prob. 20QPCh. 5.7 - Prob. 21QPCh. 5.7 - Prob. 22QPCh. 5.7 - Prob. 23QPCh. 5.7 - Prob. 24QPCh. 5.7 - Prob. 25QPCh. 5.7 - Prob. 26QPCh. 5.7 - Prob. 27QPCh. 5.7 - Prob. 28QPCh. 5.7 - Prob. 29QPCh. 5.7 - Prob. 30QPCh. 5.7 - Prob. 31QPCh. 5.7 - Prob. 32QPCh. 5.7 - Prob. 33QPCh. 5.7 - Prob. 34QPCh. 5.7 - Prob. 35QPCh. 5.7 - Prob. 36QPCh. 5.7 - Prob. 37QPCh. 5.7 - Prob. 38QPCh. 5.7 - Prob. 39QPCh. 5.7 - Prob. 40QPCh. 5.7 - Prob. 41QPCh. 5.7 - Prob. 42QPCh. 5.7 - Prob. 43QPCh. 5.7 - Prob. 44QPCh. 5.7 - Prob. 1DPCh. 5.7 - Prob. 2DPCh. 5.7 - Prob. 3DPCh. 5.7 - Prob. 4DPCh. 5.7 - Prob. 5DPCh. 5.7 - Prob. 1FEQPCh. 5.7 - Prob. 2FEQP
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