Dear Fernando, Did you ...
Published by László Tutor, Horticulture and Innovation Specialist at Organica Water
Did you consider the chance of limiting the P for the biology? I would introduce it into the effluent stream of the aerated basin, after the internal recirculation (if there's any).
Sincerely,
László
2 Comments
Yes. I have considered this. Unfortunately, our flow scheme enters two stabilization ponds after headworks and I believe that this is decreasing chemical efficiency and costing a lot more money. If you think otherwise, please share.
I will assess and monitor daily: pH, ferric dose and P conc.
Published by Fernando Mata, Wastewater Operations Superintendent at City of Redlands
I agree with László. I have seen ferric addition at the influent to the aeration basin inhibit biological activity due to overdosing.
Published by Tom Eckhoff, Principal at Arrigetch Environmental Consulting LLC