biometanização seca de resíduos sólidos urbanos: estado da arte e análise crítica das principais tecnologias dry biomethanation of municipal solid waste: state-of-the-art and critical analysis of major technologies

Clicks: 240
ID: 190959
2012
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Abstract
A utilização da tecnologia de digestão anaeróbia (biometanização) para a gestão da fração orgânica dos resíduos sólidos urbanos é uma realidade que vem se disseminando mundialmente. Os sistemas via seca vem se destacando pela maior robustez do sistema biológico e pela minimização da geração de efluentes líquidos. Para avaliar o desempenho de sistemas de digestão via seca, foram realizadas visitas técnicas a plantas das principais tecnologias - Valorga, Laran, Kompogas e Dranco - e, a partir de constatações in loco e de dados levantados junto aos fabricantes, elaborou-se uma metodologia para avaliação das mesmas, com 35 indicadores, divididos em 4 grupos (Histórico; Aspectos Operacionais; Desempenho de Projeto; Desempenho Real). Na soma ponderada, as tecnologias que obtiveram os dois melhores desempenhos foram aquelas denominadas de 4 e 2, respectivamente, que empregam digestor retangular horizontal com agitação mecânica por pás com eixo no sentido transversal ao fluxo do material em digestão.
The employment of anaerobic digestion technology (biomethanation) for the management of the organic fraction of municipal solid waste is a reality that has been spreading out all around the world. The dry biomethanation, in particular, has been highlighted due to its biological system higher robustness and to the low generation of liquid effluents. In order to assess the dry biomethanation technologies performance, technical visits were carried out at different plants representing the major technologies available - Valorga, Laran, Kompogas, and Dranco - and, based on in situ observations as well as on projected performance data, it was developed an assessment methodology, composed by 35 indexes, divided into 4 groups: Historic; Operational Aspects; Projected Performance; Real Performance. After all, the best performance was presented by technologies referred to as 4 and 2 that employs rectangular horizontal digesters stirred by impellers with axis across the flux of the digesting material.
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gomes2012engenhariabiometanizao Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Felipe Correia de Souza Pereira Gomes;Sérgio Francisco de Aquino;Luis Felipe de Dornfeld Braga Colturato
Journal ophthalmology and therapy
Year 2012
DOI
DOI not found
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-41522012000300006
Keywords
municipal solid waste comparison of performance

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