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Description: Approach for Achieving Sustainable Phosphorus Removal Using Sidestream Enhanced...
Approach for Achieving Sustainable Phosphorus Removal Using Sidestream Enhanced Biological Phosphorus Removal with Unfavorable Low Carbon and Highly Variable Influent Wastewater
Abstract
A Sequencing Batch Reactor (SBR) pilot study of sidestream enhanced biological phosphorus (P) removal (EBPR) was conducted at the Metropolitan Water Reclamation District of Greater Chicago’s Calumet Water Reclamation Plant (WRP). SBR influent was weak in carbon with an average biochemical oxygen demand (BOD) to total P (TP) ratio of 18 during our study period. Good P removal efficiency and low effluent orthophosphate (ortho-P) concentrations were achieved with reduced or no supplemental carbon addition despite the weak influent. Compared to a control SBR running conventional EBPR, ortho-P effluent was 1.2 mg/L lower in the S2EBPR SBR. The S2EBPR configuration also showed greater stability even with large fluctuations in influent P. This provides a new benchmark of EBPR in low BOD:TP P removal.
A Sequencing Batch Reactor (SBR) pilot study of sidestream enhanced biological phosphorus (P) removal (EBPR) was conducted at the Metropolitan Water Reclamation District of Greater Chicago’s Calumet Water Reclamation Plant (WRP). SBR influent was weak in carbon with an average biochemical oxygen demand (BOD) to total P (TP) ratio of 18 during our study period. Good P removal efficiency and low effluent orthophosphate (ortho-P) concentrations were achieved with reduced or no supplemental carbon addition despite the weak influent. Compared to a control SBR running conventional EBPR, ortho-P effluent was 1.2 mg/L lower in the S2EBPR SBR. The S2EBPR configuration also showed greater stability even with large fluctuations in influent P. This provides a new benchmark of EBPR in low BOD:TP P removal.
SpeakerQin, Cindy Dongqi
Presentation time
10:30:00
10:50:00
Session time
10:30:00
11:10:00
SessionAddressing Low Influent Carbon for EBPR
Session number517
TopicMunicipal Wastewater Treatment Design, Nutrients, Research and Innovation
TopicMunicipal Wastewater Treatment Design, Nutrients, Research and Innovation
Author(s)
C. QinC. QinL. StrakaE. GilmoreT.E. KunetzL. DowningJ. kozak
Author(s)C. Qin1; C. Qin1; L. Straka2; E. Gilmore2; T.E. Kunetz3; L. Downing4; J. kozak5;
Author affiliation(s)MWRD of Greater Chicago At Willow Springs Lasma WTP, IL1; Metropolitan Water Reclamation District of Greater Chicago, IL2; Metropolitan Water Reclamation District of Greater Chicago3; Black & Veatch, WI4; MWRD of Greater Chicago At Cicero Stickney WTP, IL5; MWRD, IL6
SourceProceedings of the Water Environment Federation
Document typeConference Paper
PublisherWater Environment Federation
Print publication date Oct 2020
DOI10.2175/193864718825157519
Volume / Issue
Content sourceWEFTEC
Copyright2020
Word count22

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