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Description: W13-Proceedings
Mechanisms of COD removal in the adsorption stage of the A/B process
Abstract
The A/B process utilizes a very high rate activated sludge (HRAS) A-stage operated at a low sludge age and low DO. The aim of the HRAS process is to provide a cost effective means of removing carbon while decreasing aeration demand and volume required for the subsequent B-stage process, which usually consists of biological nutrient removal (BNR). A pilot study to evaluate the performance of an A/B process is currently underway at the Hampton Roads Sanitation District (HRSD) Chesapeake Elizabeth Wastewater Treatment Plant (CETP) in Virginia Beach, VA. To date, the A-stage pilot process consistently removes approximately 60% of the influent particulate and soluble COD.
The A/B process utilizes a very high rate activated sludge (HRAS) A-stage operated at a low sludge age and low DO. The aim of the HRAS process is to provide a cost effective means of removing carbon while decreasing aeration demand and volume required for the subsequent B-stage process, which usually consists of biological nutrient removal (BNR). A pilot study to evaluate the performance of an A/B...
Author(s)
Mark W. MillerJose JimenezSudhir MurthyDave KinnearBernhard WettCharles B. Bott
SourceProceedings of the Water Environment Federation
Document typeConference Paper
PublisherWater Environment Federation
Print publication date Oct, 2013
ISSN1938-6478
DOI10.2175/193864713813673721
Volume / Issue2013 / 16
Content sourceWEFTEC
Copyright2013
Word count117

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