Journal
BIORESOURCE TECHNOLOGY
Volume 99, Issue 8, Pages 3182-3186Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2007.05.050
Keywords
brewery wastewater; ASBR; granular sludge; SMA; formate
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Brewery wastewater was treated in a pilot-scale anaerobic sequencing batch reactor (ASBR) in which a floating cover(@) was employed. Long time experiments showed that the reactor worked stably and effectively for COD removal and gas production. When the organic loading rate was controlled between 1.5 kg COD/m(3) d and 5.0 kg COD/m(3) d, and hydraulic retention time one day, COD removal efficiency could reach more than 90%. Sludge granulation was achieved in the reactor in approximately 60 days, which is much less than the granulation time ever reported. In addition, high specific methanogenic activity (SMA) for formate was observed. The study suggests that the ASBR technology is a potential alternative for brewery wastewater treatment. (c) 2007 Elsevier Ltd. All rights reserved.
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