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[GreenYes] Anaerobic Digestion of Food Waste Final Report Available

Hi ZWForum, CNRCC Energy & Climate Comm & GRRN:
Just curious but what is the general feeling in the greater recycling community about sending food waste to sewage treatment plants (POTWs publically operated treatment works) so energy can be recovered and the end product I assume used as a soil amendment.  In the study just released below the food waste is kept separate from other materials entering the POTW so should be no cross contaimation with sewage sludge.
If this is a good idea, we may want to add this to suggestions we are sending to Cool Cities as a good way for gargage and energy to work together aka achieve both composting and energy goals and sustainability goals (handling things close to the source) by getting each communities POTW to add this type of process to their operations.
Ann Schneider
Chair, National Zero Waste Committee
Sierra Club

--------- Forwarded message ----------
From: Peck.Cara@no.address
Date: Tue, 22 Apr 2008 12:37:01 -0700
Subject: Anaerobic Digestion of Food Waste Final Report Available
The US EPA, Region 9 Office of Pollution Prevention and Solid Waste is
pleased to announce the final report "Anaerobic Digestion of Food
In 2006 EPA Region 9 awarded a $50,000 grant to East Bay Municipal
District (EBMUD), a wastewater treatment facility in Oakland, California
to investigate anaerobically digesting food wastes from restaurants,
grocery stores and other food-handling facilities at a wastewater
treatment facility.  EBMUD bench-scale digesters were fed only food
wastes, but were operated under a variety of conditions, varying
digester loading rates, temperature, and other parameters.  The project
recovered significant quantities of energy from food waste as well as
high volatile solids reduction, showing the potential of diverting large
quantities of valuable food waste from landfills.
The final report and a fact sheet summarizing the results can be found
on our website at
Please feel free to contact me if you have any questions.
Thank You,
Cara Peck
U.S. EPA Region 9
Office of Pollution Prevention and Solid Waste
Recycling: It is not just about landfill diversion, it is about
replacing virgin material production which will significantly reduce
energy consumption and greenhouse gas emissions.

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