Sour Watter Corrosion - Acidic Flashcards
1
Q
SWC primarily affects:
A
C.S.
2
Q
Which of the following process chemicals is a critical factor contributing to SWC
A
Carbon
Hydrogen
Sulfur
Oxygen–
3
Q
At what pH does a thin iron sulfide layer deposit on the steel and provide some protection to corrosion?
A
> 4.5 pH
4
Q
Which process areas are most susceptible to SWC?
A
Overhead Systems
5
Q
SWC typicall appears as:
A
General wall loss
6
Q
SWC can cause localized corrosion if:
A
oxygen is present
7
Q
Which materials are generally not susceptible to SWC?
A
Copper and Nickel Alloys
