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Lab Scale Solid State Anaerobic Digestion Research of Feedlot Manure and Wet Distillers Grain

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

Citation:  Paper number  MBSK 10-102,  ASABE/CSBE North Central Intersectional Meeting. (doi: 10.13031/2013.36275) @2010
Authors:   P D Lung, Dr. T Fonstad, J Wassermann
Keywords:   biogas, manure, methane, energy, beef, solids, WDG, ethanol

Anaerobic digestion (AD) is a biochemical process that uses the microbiological conversion of organic materials to generate biogas. Biogas is typically composed of 50% to 70% methane (CH4) and 30% to 40% carbon dioxide (CO2). The most simplistic design of an AD system is the solid state digester (SSD), which is able to process very high solids content materials. A SSD has the potential to be utilized in a manure management system of a beef cattle feedlot to integrate seamlessly into an ethanol, feedlot operation to capitalize on the eco-cluster concept for bioenergy production.

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