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Start-up of anaerobic reactors for slaughterhouse wastewater treatment REA
FIA,RONALDO; PEREIRA,ERLON L.; FIA,FÁTIMA R. L.; EMBOABA,DÉBORA G.; GOMES,EMANUEL M..
This study aimed to evaluate the start-up of a horizontal anaerobic fixed bed reactor (HAFBR) followed by an upflow anaerobic sludge blanket (UASB) for the slaughterhouse wastewater treatment. HAFBR was filled with bamboo rings and had 1.2 m in length, 0.10 m in diameter and volume of 7.5 L. The UASB had the volume of 15 L. The HAFBR and UASB operated at organic loading rate and hydraulic retention time average of 8.46 and 3.77 kg m-3 d-1 of COD and 0.53 and 0.98 days, respectively. During 150 days of monitoring system it was found pH 6.8, relatively high values of bicarbonate alkalinity (> 1000 mg L-1) and reduced values of volatile acids (70 to 150 mg L-1), which afforded average removal efficiencies of COD total and total suspended solids of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: UASB; Anaerobic filter; Slaughterhouse; Organic matter.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162015000200331
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