Aplicação de modelos matemáticos em Curvas de ruptura de poluentes Biogás
Publicado 2016-07-15
Palavras-chave
- Modelos Matemáticos,
- Curvas de Ruptura,
- Purificação de Biogás,
- Sulfeto de Hidrogênio,
- Amônia
- Adsorção. ...Mais
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Resumo
Nesta pesquisa foi purifcado o biogás utilizando colunas de adsorção independentes empacotadas com carvão ativado, limalha de ferro e caulim. Os ensaios foram realizados em colunas de polipropileno de 2cm de diâmetro e 9cm de comprimento. As curvas de ruptura foram construídas com fuxo médio diário de 2,2L. As amostras foram retiradas durante 28 dias, as quais foram quantifcadas a composição de biogás através de cromatografa de gás e um analisador de gás on-line. As curvas foram ajustadas a três modelos matemáticos. Os resultados mostraram para carvão ativado um coefciente de correlação de 0,9987 e 0,9991 de sulfeto de hidrogênio (H2S) e amônia (NH3), respetivamente. No caso de limalha de ferro um coefciente de correlação de 0,9945 e 0,9975 de H2S e NH3, respectivamente. Para o caulim um coefciente de correlação de 0,9994 e 0,9885 de H2S e NH3, respectivamente. Para o carbonato de cálcio um coefciente de correlação de 0,9988 e 0,9985 de H2S e NH3, respectivamente. A percentagem de remoção de carvão ativado foi de 72,6 %, limalha de ferro foi de 74,1%, caulim foi de 32,7 %, e carbonato de cálcio foi de 65,4 %. Todas as curvas foram ajustadas para o mesmo modelo.
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Referências
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