Decision support for anaerobic digestion installations at cattle operations in Colorado
Date
2013
Authors
Lasker, Jeff, author
Sharvelle, Sybil, advisor
Fontane, Darrell, committee member
Keske, Catherine, committee member
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Abstract
Anaerobic digestion is a biological process used to convert organic wastes into a stable product while also producing methane for energy generation. The end product can be land applied without adverse environmental effects. The implementation possibilities of anaerobic digestion in Colorado have great potential with an estimated 14 million dollars in potential energy generation revenue. Anaerobic digestion systems in Colorado can provide great benefits for primarily in the cost savings associated with removal of manure and other biological waste products. The objective of this project was to develop web-based decision-making tools with a step-by-step guide for producers and their advisers to utilize as they consider installation of bioenergy conversion technology. The start of the project began with a field study, where manure samples were collected and analyzed for specific characteristics. Performance and applicability of anaerobic digesters varies greatly among individual farms, particularly in terms of gas production, moisture content, implementation, practicality and cost. The tool provides producers with a preliminary assessment of the feasibility of anaerobic digestion on their farm. The decision tool contains general information about anaerobic digestion systems, provides estimates of methane and electricity production, provides guidance on economic feasibility, selection of a most appropriate technology, and selection of a technology provider. Long term goals of the project include increasing adoption of animal waste to energy conversion technology and to improve the ability of producers to maintain operation of technologies post-installation.
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Subject
anaerobic
renewable energy
feasibility
engineering
digester