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Energy-Efficient Sewage Plants

High-rate digestion with microfiltration is state-of-the-art in large sewage plants. It effectively removes accumulated sludge and produces biogas to generate energy. A study now reveals that even small plants can benefit from this process.

Full Story: http://www.sciencedaily.com/releases/2009/08/090813142345.htm

(Many thanks to Jo York for passing this along. Russ)

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