Modelling biological and chemically induced precipitation of calcium phosphate in enhanced biological phosphorus removal systems
نویسندگان
چکیده
منابع مشابه
Metabolic modelling of full-scale enhanced biological phosphorus removal sludge.
This study investigates, for the first time, the application of metabolic models incorporating polyphosphate accumulating organisms (PAOs) and glycogen accumulating organisms (GAOs) towards describing the biochemical transformations of full-scale enhanced biological phosphorus removal (EBPR) activated sludge from wastewater treatment plants (WWTPs). For this purpose, it was required to modify p...
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Phosphorus is an essential element for every living organism, but when it exceeds certain limit in water bodies, it will cause serious environmental issues, such as eutrophication. P accumulation in water bodies can be caused by non-point sources, such as agriculture land runoff, as well as from point sources such as wastewater effluent discharges. In order to avoid eutrophication of water bodi...
متن کاملEnhanced Biological Phosphorus Removal within Membrane Bioreactors
Several Membrane Bioreactor (MBR) facilities have been constructed with the intent of providing Enhanced Biological Phosphorus Removal (EBPR), and several additional such plants are being designed and constructed. Full-scale plant information is now available for process designers to better understand the unique design and operating issues associated with the incorporation of EBPR designs in MB...
متن کاملUnderstanding the role of Tetrasphaera in enhanced biological phosphorus removal
The enrichment of enhanced biological phosphorus removal (EBPR) sludge with Tetrasphaera was obtained for the first time using glutamate as sole carbon source. Two configurations were tested, an SBR with anaerobic/aerobic sequence and a continuous anaerobic/anoxic/aerobic (A/O) pilot plant. Better results and improved stability was obtained in the continuous A/O operation. Accumulibacter were a...
متن کاملMethanol-driven enhanced biological phosphorus removal with a syntrophic consortium.
The presence of suitable carbon sources for enhanced biological phosphorus removal (EBPR) plays a key role in phosphorus removal from wastewater in urban WWTP. For wastewaters with low volatile fatty acids (VFAs) content, an external carbon addition is necessary. As methanol is the most commonly external carbon source used for denitrification it could be a priori a promising alternative, but pr...
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ژورنال
عنوان ژورنال: Water Research
سال: 2011
ISSN: 0043-1354
DOI: 10.1016/j.watres.2011.04.028