We have severe pitting issue in duplex stainless steel (A2205) piping and equipments in CTA plant.
Pitting occurs mostly in the stream containing acetic acid with high bromide content.
Following is the composition of the stream.
Acetic acid: > 70%
Water: 4 – 10%
Catalyst: 1.6 to 3 % (MnBr...
I received a question from our project engineering group on valve material of selection. we have a Valve shop certified to tear down valves, re-seat, and rebuild valves. The vendor specified "throw away" valves, such as PFA lined valves. It would be advantageous for us to utilize a valve...