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

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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.

Document Type: Research Article

DOI: https://doi.org/10.2175/193864705783815159

Publication date: 2005-01-01

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