Waste Type: Fats, oils and grease (FOG) in Anaerobic Digesters Problem: A municipality in Pennsylvania running a 13 mgd oxygen activated sludge system was having problems in their treatment plant. Gas production was low, and the anaerobic digesters had lost their efficiency. The plant needed a product that would work to combat the FOG buildup in the digesters. The Test: Working under a tight budget, the operator needed a product tha

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