Anaerobic Digester Expands Treatment Options
The Food to Fuel project takes waste grease and oil from restaurants and food processing facilities and separates the oil from the water (left) to produce a heating oil. Residuals from that process, along with food waste and municipal sludge, are anaerobically digested in a 1.23 million gallon Biothane continuously-stirred reactor (below).

What began as a septic tank pumping company in 1955 has expanded into a full-service wastewater treatment company — and renewable energy producer.
Barb Culton and Richard Mattocks
BioCycle September 2012, Vol. 53, No. 9, p. 41

 

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