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RE: Box Recycling Odors


I'm guessing, but I would suspect they have a lot of bio growth going on in
that tank.  Sulfates could be breaking down to release hydrogen sulfide
under anaerobic conditions. Keeping the tank aerated might help but this
will promote the growth of aerobic bugs. Dosing with hydrogen peroxide
should kill all the bugs but the high organic content may make this
expensive. They might look into a combination of peroxide and UV to kill the
bugs followed by settling and filtration. I believe potassium permanganate
may also be used in place of peroxide.

> ----------
> From: 	Dwiggins-EQE, Paul[SMTP:Paul.Dwiggins@state.ma.us]
> Reply To: 	Dwiggins-EQE, Paul
> Sent: 	Wednesday, October 27, 1999 11:08 AM
> To: 	p2tech@great-lakes.net
> Subject: 	Box Recycling Odors
> We are looking for solutions to the odor complaints caused by a company
> that 
> recycles Old Corrugated Containers (OCC) into new corrugating paper for
> new 
> boxes.  Their closed loop process water recirculation system causes
> buildup 
> of waste materials in the water which causes odors in the paper machine 
> exhaust.  Any advice would be appreciated!  Thanks.
> Paul Dwiggins
> Massachusetts DEP