Title:
Bio-methane Generation Supply-cost Curves from Manure Digestion as Substrate
Author(s):
Bidart, C., Gordon, A., Flores, M., Loubiés, P.
Document(s):
Paper
Abstract:
Energy and bio-methane potential derived from livestock residues of all major groups of stock-raising animals, i.e. cattle, pigs, sheep-goats and poultry, were evaluated for a studding area in Chile. The calculations were based on geographical and statistical data, which typically includes population of animal groupings, availability factors, and degree to which the animals were stabled. This data was then processed through a methodological approach that allowed for the determination of potential primary and secondary energy generation. The supply-cost curve, expected economic potential, and energy generation costs give additional information to aid in this evaluation. For the studding area, which is representative of the economic livestock industry in the country, the energy potential was integrated with a GIS system, which identifies areas of high biomethane potential and the level of geographical concentration, which is highly relevant for recovery and processing. The assessment leads to an estimated theoretical potential of approximately 108 MWth, and a biomethane technical potential of 47 MWth. Despite the promising calculated energy potential, it is shown that the major geographical concentration located in just few areas for a total of 12,000 livestock units (LSU). When this is considered, the option of co-digestion should be taken into consideration.
Keywords:
geographical information system (GIS), biomethane, livestock manure, GeoDB
Topic:
Biomass Resources
Subtopic:
Biomass residues and by-products
Event:
19th European Biomass Conference and Exhibition
Session:
VP1.2.32
Pages:
490 - 492
ISBN-13:
978-88-89407-55-4
ISBN-10:
88-89407-55-7
Paper DOI:
10.5071/19thEUBCE2011-VP1.2.32
Price:
FREE
