www.jwce.com/ind Greening the Plant: Lunch Time in West Lafayette By Doug Day TPO Magazine Many wastewater treatment plants throughout the United States are now using anaerobic disgestion to break down sewage sludge. This process not only reduces the amount of material but also produces biogas which can be used for energy. Most treatment plants haven’t won EPA awards for their work. And it’s a good bet to say most aren’t dumping 20 tons o

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