DOC-Labor
Dr. Stefan Huber
Drinking Water
Questions & Answers
Q: Why do I have bacterial regrowth in my distribution system?

A: Your raw water is high in biopolymers which may serve as substrate.


Q: Is my flocculation process exhaustive in removing humic substances? I want to reduce AOX and THM further.

A: The position of ”your” humic substances is in between aquagenic and pedogenic fulvic acids. A further reduction should be possible.


Q: Why is the DOC of ground water X so high?

A: All DOC is humic matter of pedogenic origin, presumably originating from a fossile A horizon.



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