Resumo

DA SILVA, Christian Luiz et al. The biogas chain and local sustainability: an environmental socioeconomic analysis of energy obtained from urban solid-waste from the Caximba land-fillin Curitiba, Paraná, Brazil. Innovar [online]. 2009, vol.19, n.34, pp.83-98. ISSN 0121-5051.

Urban solid waste-derived renewable energy sources are currently being discussed as strategic choices; however, they have not yet been significantly included in world and/or Brazilian energetic matrixes. Feasibility studies must be carried out on the use of renewable sources and on related socioeconomic and environmental impacts. The research method was exploratory and was aimed at assessing the feasibility of generating energy from the Caximba (Paraná, Brazil) sanitary landfill biogas chain, taking its socioeconomic and environmental sustainability into consideration; this landfill contains around 8 million tons of solid waste. The results showed that generating renewable energy was not economically feasible in the technological conditions defined by this case-study due to the plant's low-scale production. However, biogas production could become economically, environmentally and socially feasible if combined with carbon credit trading.

Palavras-chave : biogas chain; urban waste management; sustainability; Curitiba; energy.

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