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Unformatted text preview: from the bottom of the tanks and sent to anaerobic digester tanks. Anaerobic digester tanks are utilized to treat the sludge built up during the course of the treatment process. In anaerobic digestion, microorganisms break down sludge in the absence of oxygen and produce methane gas as a byproduct. The Landis Sewerage Authority then burns off the methane gas into the atmosphere. During the spring, summer, and fall, the remainder of the sludge from the treatment process is disposed of at a 380 acre agricultural site, where it provides nutrients for corn and several varieties of hay. During the winter, when crops are not likely to grow, the sludge is stored in two 1.9 million gallon tanks....
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This note was uploaded on 11/17/2011 for the course ENGINEERIN 1 taught by Professor Cag during the Spring '08 term at Rowan.
- Spring '08