Brazilian case study for biogas energy: Production of electric power, heat and automotive energy in condominiums of agroenergy

摘要

Brazilian projects on Condominiums of Agroenergy for Family Agriculture have demonstrated the feasibility of combining preservation of the environment to productivity and income generation through technologies accessible to small farmers gathered in a condominium energy. Such projects have also demonstrated the feasibility of transmuting the environmental liabilities of the Brazilian agricultural sector into electricity and fertilizer, working with the voluntary commitment to decrease the emission of greenhouse gases in Brazil by 2020. In this sense, this study presents examples as the Combined Heat and Power Generation Plant (CHP) fueled by biogas produced by Ajuricaba small farmers in the town of Marechal Rondon, Brazil. This work will provide an overview of the thermodynamical and chemical biogas energetic processes and also the technological components that constitute a CHP for the generation of thermal energy (grain dryer, use in household stoves and heating poultry houses), electricity (self-generation and sale of electricity to public company) and biogas future utilization in Brazilian farm vehicles.