Production of extracellular polymeric substances in anoxic/oxic process with zeolite carriers for nitrogen removal

During the hydraulic retention time (HRT) from 12 to 6h, the production of extracellular polymeric substance (EPS) decreased from 82 to 70 EPS mg volatile suspended solids (VSS) g-1 in an anoxic/oxic (A/O) reactor with zeolite carriers. Added zeolite could successfully control the EPS production by...

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Veröffentlicht in:	Biotechnology letters 2004-11, Vol.26 (21), p.1653-1657
Hauptverfasser:	Park, S.J, Lee, T.W, Yoon, T.I
Format:	Artikel
Sprache:	eng
Schlagworte:	Ammonium Biofilms Biofilms - growth & development Biological and medical sciences Biopolymers - biosynthesis Biopolymers - chemistry Biopolymers - isolation & purification Bioreactors - microbiology Biotechnology Cell Culture Techniques - methods Chemical oxygen demand environmental degradation Extracellular Fluid - metabolism Fundamental and applied biological sciences. Psychology Hydraulics Industrial Waste - prevention & control Nitrogen Nitrogen - chemistry Nitrogen - isolation & purification Nitrogen - pharmacokinetics Nitrogen removal Oxygen - metabolism pollution Q1 Retention time Sewage - microbiology Suspended solids Ultrafiltration - methods Volatiles waste management Zeolite Zeolites Zeolites - chemistry
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Zusammenfassung:	During the hydraulic retention time (HRT) from 12 to 6h, the production of extracellular polymeric substance (EPS) decreased from 82 to 70 EPS mg volatile suspended solids (VSS) g-1 in an anoxic/oxic (A/O) reactor with zeolite carriers. Added zeolite could successfully control the EPS production by the formation of stable biofilm and the maintenance the lower chemical oxygen demand/ammonium (C/N) ratio on its surface.
ISSN:	0141-5492 1573-6776
DOI:	10.1007/s10529-004-3517-0