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H2O2 and biological wastewater treatment





October 16, 2008

Hi, I'm an engineer, designing biological processes for wastewater treatment. My question: Is it possible to treat a wastewater, containing a H2O2 concentration up to 300 mg/l with a conventional biological treatment process or will the H2O2 have an inhibiting/toxic effect on the bacteria?

Irina Lustig
- Puschwitz, Germany



October 17, 2008

Hi, Irina. I don't really have any experience in this, but considering that H2O2 is strongly antiseptic, yet readily decomposes, I would bet that strong aeration before biological treatment would be the best path.

Regards,

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey



November 15, 2008

Hello Irina,

consider the chemical and the biological oxygen value.

Dominik Michalek
- Mexico City, Mexico


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