Hello unclesyd
I read bulletins carefully. Unfortunately, they were close to the matter but didn't explain it. They cover mostly rouging forming, problems and potential risks.
But for my tomorrow application I will use citric acid in circulation.
What I need is someones experience regarding...
Hello unclesyd,
Thank you very much for fast reply. I will try to clarify the issue again:
. During one year period of equipment operation we have rouging formation, on some parts of equipment (mainly on PSG and WFI equipment), in form of "dust or fe-... layer" that can be easily wiped off
...
Hello group
I am facing one application which is new to me - de-rouging of equipment made of SS316L in pharmaceutical industry.
In the past our managers had contract with outsource associates who provided this service annually. For that purpose they used citric acid solution, since rouging was...