The following diagram is a simplified polarization curve of Evan's diagram for a carbon steel used in a chemical factory. The corrosion current can be determined through the diagram as shown in it. Calculate the weight loss per day and per m², and the thickness abrasion per unit time (in mpy) and evaluate its classification with respect to the corrosion rate. (Fe-7.86 g/cm³) 0.0 POTENTIAL VOLTS (SHE) -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 10-10 10 Fe 2H +2e CATHODIC Fe2 +2e ANODIC H2 7x10-5 NO 10* 10 10* 105 104 CURRENT DENSITY, A/cm² ACORE 10²2
The following diagram is a simplified polarization curve of Evan's diagram for a carbon steel used in a chemical factory. The corrosion current can be determined through the diagram as shown in it. Calculate the weight loss per day and per m², and the thickness abrasion per unit time (in mpy) and evaluate its classification with respect to the corrosion rate. (Fe-7.86 g/cm³) 0.0 POTENTIAL VOLTS (SHE) -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 10-10 10 Fe 2H +2e CATHODIC Fe2 +2e ANODIC H2 7x10-5 NO 10* 10 10* 105 104 CURRENT DENSITY, A/cm² ACORE 10²2
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
Related questions
Question
Transcribed Image Text:The following diagram is a simplified polarization curve of Evan's diagram for a carbon steel
used in a chemical factory. The corrosion current can be determined through the diagram as
shown in it. Calculate the weight loss per day and per m², and the thickness abrasion per unit
time (in mpy) and evaluate its classification with respect to the corrosion rate. (Fe=7.86 g/cm³)
0.1
0.0
E com
Fe
POTENTIAL VOLTS (SHE)
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
10-10
109
2H +2e
CATHODIC
Fe2 +2e
ANODIC
7x10-5
H2
NON
10 10
10 10 10
CURRENT DENSITY, A/cm²
COME
10
102²2
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 2 images
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The