Thanks Guys. Input was useful. Regarding posting in pipeline forum, this is my maiden post and I guess I have not explored the forum for other options.
I work in a pulp mill. I am upgrading an existing heat exchanger- vertical configuration) that handles Black Liquor in the tubes(304L) and water on shell side(Carbon Steel).
The cooler is in operation for 20 years and inspection reveal Micro Biological corrosion (MIC) at the bottom of the...