Role of exopolymeric protein on the settleability of nitrifying sludges

Role of exopolymeric protein on the settleability of nitrifying sludges

The relationship of exopolymeric substances and the sludge volume indexes (SVI) of two nitrifying sludge were studied over a period of time (30 d) in two different types of reactors: (1) a stirred tank aerated nitrifying reactor (SANR) and (2) an air-lift nitrifying reactor (ALNR). Concentrations of...

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Veröffentlicht in:Bioresource technology 2004-08, Vol.94 (1), p.43-48
Hauptverfasser: Martı́nez O, Felipe, Lema, Juan, Méndez, Ramón, Cuervo-López, Flor, Gómez, Jorge
Format: Artikel
Sprache:eng
Schlagworte:
Bacteria - metabolism
Biodegradation, Environmental
Biological and medical sciences
Biopolymers - analysis
Bioreactors
Electrophoresis, Polyacrylamide Gel
Exopolymeric protein
Flocculation
Fundamental and applied biological sciences. Psychology
Molecular weight
Nitrifying sludge
Proteins - analysis
Sewage - chemistry
Sewage - microbiology
Sludge volume index
Time Factors
Waste Disposal, Fluid - methods
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Zusammenfassung:The relationship of exopolymeric substances and the sludge volume indexes (SVI) of two nitrifying sludge were studied over a period of time (30 d) in two different types of reactors: (1) a stirred tank aerated nitrifying reactor (SANR) and (2) an air-lift nitrifying reactor (ALNR). Concentrations of lipids, carbohydrates and proteins of the EPS were determined in both reactors. The variation in lipids and carbohydrates was low (
ISSN:0960-8524
1873-2976
DOI:10.1016/j.biortech.2003.11.010