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Record nummer 2048054
Titel artikel Simultaneous nitrogen and phosphorus removal in the sulfur cycle-associated Enhanced Biological Phosphorus Removal (EBPR) process
Auteur(s) Wu, D. ; Ekama, G.A. ; Wang, H.-G. ; Wei, L. ; Lu, H. ; Chui, H.-K. ; Liu, W.-T. ; Brdjanovic,, D. ; Loosdrecht, M.C.M. van ; Chen, G.-H.
Tijdschrifttitel Water research : the journal of the International Association on Water Quality
Deel(Jaar)Nummer 49(2014)1 February
Paginering 251 - 264
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Trefwoorden (cab) afvalwaterbehandeling / huishoudens / zout water / slibzuivering / sulfaat / reductie / watergebruik / denitrificatie / fosfor / verwijdering / zwavel
Rubrieken Afvalwaterbehandeling
Publicatie type Artikel
Taal Engels
Toelichting (Engels) Hong Kong has practiced seawater toilet flushing since 1958, saving 750,000 m3 of freshwater every day. A high sulfate-to-COD ratio (>1.25 mg View the MathML source/mg COD) in the saline sewage resulting from this practice has enabled us to develop the Sulfate reduction, Autotrophic denitrification and Nitrification Integrated (SANI) process with minimal sludge production and oxygen demand. Recently, the SANI process has been expanded to include Enhanced Biological Phosphorus Removal (EBPR) in an alternating anaerobic/limited-oxygen (LOS-EBPR) aerobic sequencing batch reactor (SBR). This paper presents further development – an anaerobic/anoxic denitrifying sulfur cycle-associated EBPR, named as DS-EBPR, bioprocess in an alternating anaerobic/anoxic SBR for simultaneous removal of organics, nitrogen and phosphorus. The 211 day SBR operation confirmed the sulfur cycle-associated biological phosphorus uptake utilizing nitrate as electron acceptor. This new bioprocess cannot only reduce operation time but also enhance volumetric loading of SBR compared with the LOS-EBPR.
Betrokken instanties Technische Universiteit Delft, Vakgroep Bioprocestechnologie
KWR, Watercycle Research Institute
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