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FIXED-FILM ANAEROBIC DIGESTION OF SEPARATED DAIRY MANURE: COMPOST DRYING OF SEPARATED MANURE SOLIDS

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  024154,  2002 ASAE Annual Meeting . (doi: 10.13031/2013.10513) @2002
Authors:   S.A. Weeks
Keywords:   

Methane production from manure on a dairy farm has the advantage of a nearly constant feed stock supply. This is a major benefit when compared to alternative energy sources such as solar and wind. Dairy cow manure can be used to produce useful energy in the form of biogas (approximately 60 percent methane) through oxygen-free digestion of the manure. The process can be thought of as an extension of the cows digestive process. One major challenge associated with anaerobic digestion systems is to use the energy effectively at the dairy farm.

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