Thanks for the EPRI reference Ed.
We haven’t seen any symptoms of Mn corrosion but it’s certainly something we’ll keep an eye out for. I think our clarification process should do a decent job at precipitating any MnO2 before the water makes it to the cooling tower, but I don’t have any data...
Our chemical supplier worked with us to establish our chemistry program, set control ranges, required dosages etc. The vendor also performs an annual condenser inspection and sends out a condenser tube coupon to have it examined. (They also sell us the expensive inhibitors we’re trying to...
I'm a technician at a powerplant working with one of my supervisors in an effort to save money on our cooling tower chemicals and improve our process. We currently spend roughly 250k per year on scale & corrosion inhibitors using a phosphoric acid as a corrosion inhibitor and HEDP for scale...