Making energy from food waste and reducing the odor of manure with one device might sound like science fiction, but research in engineering technology is making it a possibility with a structure called an anaerobic digester. An anaerobic digester is a gas-tight vessel inside which microbes convert organic matter – manure and food waste, for example – into biogas that can be turned into electrical energy. For small dairy farmers, anaerobic digesters could be the sustainable energy technology to revolutionize manure management while cutting down farm energy expenditures.
Read more in the Small Farm Quaterly article: http://smallfarms.cornell.edu/2014/07/08/anaerobic-digesters-up-and-coming-for-small-farms/
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