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Chlorination for BOD reduction in effluent water

Chlorination for BOD reduction in effluent water

(OP)
Has anyone used chlorine to reduce BOD concentrations in effluent water leaving an activated sludge process (extended aeration)

RE: Chlorination for BOD reduction in effluent water

Never heard of chlorinating activated sludge effluent BOD and it does not sound feasible. Why are you considering this?

RE: Chlorination for BOD reduction in effluent water

(OP)
I was asked by a WWTP operator if adding chlorine to effluent could help remove another ppm or 2 to meet effluent limits. I had never heard of this being done but wanted to check with other treatment gurus to see if anyone had experience with or information in doing this. It sounds like it is not an advisable practice.

RE: Chlorination for BOD reduction in effluent water

You may also have to remove the chlorine. Possible issues with the chlorine byproducts as well.

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