Avaliação da biodegradabilidade anaeróbia de resíduos da bovinocultura e da suinocultura
Engenharia Agrícola, ISSN: 1809-4430, Vol: 24, Issue: 2, Page: 445-454
2004
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Article Description
A biodegradabilidade de dejetos da bovinocultura e da suinocultura foi avaliada por meio de metodologia simplificada que permitiu a verificação da aplicabilidade de processos anaeróbios. Os ensaios foram realizados com reatores em batelada, com lodos granulados de três procedências: reator UASB tratando efluente de bovinocultura, reator UASB tratando efluente de suinocultura e reator UASB tratando efluente de abatedouro de aves. Os ensaios (1) - efluente de bovinocultura e lodo de abatedouro de aves não-adaptado; (2) - efluente de suinocultura e lodo de abatedouro de aves não- adaptado; (3) - efluente de bovinocultura e lodo de abatedouro de aves adaptado; (4) - efluente de suinocultura e lodo de abatedouro de aves adaptado; (5) - efluente de bovinocultura e lodo de bovinocultura, e (6) - efluente de suinocultura e lodo de suinocultura realizados em "Shaker", em temperatura de 35 °C, sob agitação a 150 rpm, por 5 minutos a cada 1 hora. Foi utilizada uma relação de substrato:biomassa igual a 0,5. Foram testados modelos cinéticos do tipo Monod, Ordem Zero, Primeira e Segunda Ordens e verificou-se que o modelo de Primeira Ordem foi o que melhor se ajustou para os seis ensaios realizados. A constante de velocidade de Primeira Ordem (k1) foi estimada para os ensaios 1; 2; 3; 4; 5 e 6, resultando 2,51 x 10-2; 2,49 x 10-2; 1,90 x 10-2; 3,09 x 10-2; 2,54 x 10-2, e 4,09 x 10-2 h-1, respectivamente.
Bibliographic Details
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162004000200025&lng=pt&tlng=pt; http://www.scielo.br/pdf/eagri/v24n2/v24n2a25.pdf; http://dx.doi.org/10.1590/s0100-69162004000200025; http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162004000200025&lng=en&tlng=en; http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0100-69162004000200025&lng=en&tlng=en; http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162004000200025; http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0100-69162004000200025; https://dx.doi.org/10.1590/s0100-69162004000200025; https://www.scielo.br/j/eagri/a/RqXVpp7mYPkY663n57TYHWc/?lang=pt
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