Sistemas de produção de carvão vegetal existentes no Brasil: uma análise de viabilidade econômica

Detalhes bibliográficos
Ano de defesa: 2010
Autor(a) principal: Dallastra, Eduardo Caramori
Orientador(a): Orellano, Verônica Inês Fernandez
Banca de defesa: Não Informado pela instituição
Tipo de documento: Dissertação
Tipo de acesso: Acesso aberto
Idioma: por
Instituição de defesa: Não Informado pela instituição
Programa de Pós-Graduação: Não Informado pela instituição
Departamento: Não Informado pela instituição
País: Não Informado pela instituição
Link de acesso: http://hdl.handle.net/10438/8276
Resumo: Charcoal has a role among the biomass consumed in Brazil. Its widespread use in the steel industry for the production of pig iron made the country one of the world largest producers and consumers of charcoal. The abundant raw materials, as well as the lack of concern with environmental and social factors led in the past to only a closer inspection of the economic factor and the technology of production of this fuel/input has developed very little over almost its entire history in Brazil until recent years. In the last two decades, when it intensified the social and environmental concerns and these factors had relevance in assessing the feasibility of both projects to be implemented, and the existent ones, production of charcoal has become identified as extremely rudimentary and impacting to the environment and the society where it is located. In this study we sought to analyze the economic viability of four production systems of charcoal existing in Brazil today. The most rudimentary system, commonly called 'hot tail', a system still in brick, with a bit more technological development known as rectangular klin and two systems using metallic klins which intend to have a shorter carbonization process period of time, (due to a more rapid cooling of the system) and that have both a major environmental concern and seek to emit less pollutants and provide a more proper working condition, also reflecting positively on the social and environmental aspects. It was realized that in terms of implementation, of course, systems which involve a little more technology are much more expensive in initial investment, however, there are encouraging results in terms of return on investment and value adding opportunities which tend to attract investment especially from the big steel consumers, who increasingly have been concerned in investing in the production of raw materials, with large areas of reforestation, and sustainable production of charcoal.