Heat Exchanger Water/Sludge SHELAND FARMS Adams, New York The anaerobic digester at Sheland Farms handles manure from a herd of over 900 dairy cows. When the cows are in the parlor being milked, the alleys in the barns are scraped in to a holding pit at the end of the pen. The barns are bedded with composted solids. The cold climate of the northern part of New York presents operational challenges for the digester, which must

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