1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA molecules per one gram 2. Try fitting these data using Freundlich Isotherm and obtain its constants 3. Which isotherm describe best the adsorption of ORA on activated carbon and why?
1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA molecules per one gram 2. Try fitting these data using Freundlich Isotherm and obtain its constants 3. Which isotherm describe best the adsorption of ORA on activated carbon and why?
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
![The following data were obtained for the adsorption of a certain material (ORA) on activated
carbon at 25 °C.
Activated carbon mass
Sample
number
[ORA) initial (M)
[ORA] at equilibrium
(M)
(g)
1.0119
1
0.0096
0.0044
1.0186
0.0289
0.0207
1.0360
0.0578
0.0446
4
1.0129
0.0867
0.0721
1.0393
0.1156
0.1002
6.
1.0312
0.1445
0.1270
7
1.0198
0.1926
0.1742
8.
1.0270
0.2407
0.2227
9
1.0252
0.2889
0.1108
1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA molecules
per one gram
2. Try fitting these data using Freundlich Isotherm and obtain its constants
3. Which isotherm describe best the adsorption of ORA on activated carbon and why?
4. If a monolayer of N2 molecules is 0.03075 mole per one gram of activated carbon, and the
surface area on one N2 molecules is 0.162 nm?, determine:
a. surface area per one gram of activated carbon
b. surface area of one ORA molecule](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F761ee677-743a-4928-9836-5582cf14ffd8%2F2443adb9-46eb-4c88-a078-d3e7e139b539%2Fqhdtb4w_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The following data were obtained for the adsorption of a certain material (ORA) on activated
carbon at 25 °C.
Activated carbon mass
Sample
number
[ORA) initial (M)
[ORA] at equilibrium
(M)
(g)
1.0119
1
0.0096
0.0044
1.0186
0.0289
0.0207
1.0360
0.0578
0.0446
4
1.0129
0.0867
0.0721
1.0393
0.1156
0.1002
6.
1.0312
0.1445
0.1270
7
1.0198
0.1926
0.1742
8.
1.0270
0.2407
0.2227
9
1.0252
0.2889
0.1108
1. Try fitting these data using Langmuir Isotherm and obtain K and monolayer of ORA molecules
per one gram
2. Try fitting these data using Freundlich Isotherm and obtain its constants
3. Which isotherm describe best the adsorption of ORA on activated carbon and why?
4. If a monolayer of N2 molecules is 0.03075 mole per one gram of activated carbon, and the
surface area on one N2 molecules is 0.162 nm?, determine:
a. surface area per one gram of activated carbon
b. surface area of one ORA molecule
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