IS YOUR MOVING BED BIOFILM REACTOR (MBBR) RUNNING ON ALL CYLINDERS?

Robert A. Zimmerman; D. Richard; S. Lynne; W. Lin

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IS YOUR MOVING BED BIOFILM REACTOR (MBBR) RUNNING ON ALL CYLINDERS?

Abstract

Evaluation of a full-scale MBBR process for nitrification is reported. Performance of the MBBR was found to be highly dependent on the hydraulic characteristics of the basin which could be optimized with improved influent flow distribution at the basin inlet. Installing a baffle on the influent pipe or introducing influent at multiple points located laterally across the entire influent end of the basin may provide this improvement. Higher aeration (mixing) rates alone did not improve influent distribution, however, increased mixing intensity focused at the inlet was not considered.

Evaluation of a full-scale MBBR process for nitrification is reported. Performance of the MBBR was found to be highly dependent on the hydraulic characteristics of the basin which could be optimized with improved influent flow distribution at the basin inlet. Installing a baffle on the influent pipe or introducing influent at multiple points located laterally across the entire influent end of the...

Author(s)

Robert A. ZimmermanD. RichardS. LynneW. Lin

SourceProceedings of the Water Environment Federation

SubjectSession 76: Municipal Wastewater Treatment Processes: Integrated Fixed Film Activated Sludge (IFAS) and Moving Bed Bioreactor (MBBR) Processes

Document typeConference Paper

PublisherWater Environment Federation

Print publication date Jan, 2005

ISSN1938-6478

SICI1938-6478(20050101)2005:9L.6238;1-

DOI10.2175/193864705783815159

Volume / Issue2005 / 9

Content sourceWEFTEC