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Description: Full Scale Implementation of AirPrex Phosphorus Recovery and the Development of a...
Full Scale Implementation of AirPrex Phosphorus Recovery and the Development of a Mechanistic Process Model in GPS-X™
Abstract
Struvite harvesting is considered not only to recover the valuable nutrient from wastewater but also mitigate the side effect of bio-P process such as nuisance struvite formation or deterioration in sludge dewaterability. Development of air enabled struvite recovery model was attempted in the GPS-X™ platform. CO2 stripping was modeled using a modified oxygen transfer model. Struvite formation in the AirPrex process was modeled by using empirical Ksp values for struvite. With the site-specific calibration, it is possible to mechanistically simulate the AirPrex process and its downstream impact.
Struvite harvesting is considered not only to recover the valuable nutrient from wastewater but also mitigate the side effect of bio-P process such as nuisance struvite formation or deterioration in sludge dewaterability. Development of air enabled struvite recovery model was attempted in the GPS-X™ platform. CO2 stripping was modeled using a modified oxygen transfer...
Author(s)
Hiroko YoshidaZhongtian LiGerhard ForstnerRajeev Goel
SourceProceedings of the Water Environment Federation
Subject606 Sidestream Impacts From Startup to Implementation
Document typeConference Paper
PublisherWater Environment Federation
Print publication date Sep, 2018
ISSN1938-6478
SICI1938-6478(20180101)2018:7L.5308;1-
DOI10.2175/193864718825138745
Volume / Issue2018 / 7
Content sourceWEFTEC
First / last page(s)5308 - 5316
Copyright2018
Word count104
Subject keywordsAirPrexStruvite harvestingOrtho Pphosphorus removalProcess modelingGPS-X™

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