Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Question 2
(a) Explain how an ion-exchange separation process works with an example.
(b) Equilibrium isotherm data for adsorption of glucose from an aqueous
solution to activated alumina are as follows:
c (g/cm3)
q (g solute/
g alumina)
0.005
0.0088
0.020
0.027
0.105
0.195
0.025
0.055
0.080
0.083
0.127
0.129
Show that the Langmuir isotherm fits the data and find the constants of the
equation.
(c) An ion-exchange process using a resin to remove copper ions from an
aqueous solution is conducted in a 2.5 cm diameter column and 50 cm high.
The flow rate is 1.5 l/min and the breakpoint occurred at 10 minutes.
Integrating the breakthrough curve gives a ratio of usable capacity to the total
capacity of 0.6. Design a new tower that will be 4.0 m high and operate at 4.5
I/min. Calculate the new tower size and break-point time.
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