Start-Up of an Anaerobic Moving Bed–Biofilm Reactor and Transition to Brewery Wastewater Treatment
Publication: Journal of Environmental Engineering
Volume 142, Issue 12
Abstract
Two 4-L anaerobic moving bed–biofilm reactors (AMBBR) with different quantities of cubic media (25 and 35% by volume) were examined. Reactors were fed synthetic protein-based feed and both were shown to be capable of treating up to of chemical oxygen demand (COD), achieving 80% COD removal. Beyond that load the performance began to decrease. The maximum biogas production observed was at an organic loading rate (OLR) of . The methane composition varied between 60 and 70%. Averaged methane yields of removed and specific removal rates from 0.4 to were achieved. At the maximum OLR above , the specific surface area activity was calculated as 98 and in the 25 and 35% reactors, respectively. Kinetic tests performed at the maximum OLR revealed that free-floating suspended biomass contributed to no more than 2.5% of the total removal. The reactors were also capable of treating brewery wastewater, reliably attaining 80% COD removal with methane yields of and from the 35 and 25% reactors, respectively.
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Published In
Journal of Environmental Engineering
Volume 142 • Issue 12 • December 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Oct 21, 2015
Accepted: Apr 15, 2016
Published online: Jul 15, 2016
Published in print: Dec 1, 2016
Discussion open until: Dec 15, 2016
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