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Revista Facultad de Ingeniería Universidad de Antioquia

versão impressa ISSN 0120-6230versão On-line ISSN 2422-2844


PEREZ, Juan F.; LENIS, Yuhan; ROJAS, Sandra  e  LEON, Carlos. Decentralized power generation through biomass gasification: a technical - economic analysis and implications by reduction of CO2 emissions. Antioquia [online]. 2012, n.62, pp.157-169. ISSN 0120-6230.

This article presents the feasibility analysis of two electricity generation projects with wood biomass. The first one considers a wood harvested for energy from a forest with pine plantation (case 1), and the second one, biomass residues from a teak plantation (case 2). Electric power that can be produced is 2.0 MWe for pine's case, and 1.0 MWe for teak. Considering the power to generate and after a strict literature search and analysis, the most suitable electricity generation technology is thermo-chemical process of gasification coupled with combustion engines. Generation cost (USD/kWe-h) is calculated for each technological alternative with a technical-economic analysis, as result the lowest costs are approx. 0.061 USD/kWe-h for 1.0 MWe, and 0.058 USD/kWe-h for 2.2 MWe, assuming that biomass' cost is zero (0 USD/ton). This is considered the baseline for electricity generation projects with biomass in Colombia. The research is complemented with a CDM projects applicability analysis, finding that the sale of Certified Emission Reductions (CERs) would reduce kWe-h cost between from 0.003 to 0.01 USD/kWe-h, in the studied power plants. However, neither the price neither the sale of CERs can be guarantee because there is not a tool to extend the Kyoto protocol, which comprises a first period between 2008 and 2012.

Palavras-chave : Biomass; gasification; biopower; generation cost; clean development mechanism (CDM).

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