Document Detail


Effects of pH and substrate on the competition between glycogen and phosphorus accumulating organisms.
MedLine Citation:
PMID:  15242119     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This article evaluates effects of pH and substrate on the competition between glycogen (GAOs) and phosphorus accumulating organisms (PAOs). A sequencing batch reactor system was operated for enhanced biological phosphorus removal (EBPR) with acetate as the sole carbon source and acetate added domestic wastewater at different influent acetate/phosphate ratios. Some batch tests were performed using acetate added domestic wastewater at different influent acetate, phosphate ratios, with different initial pH values of acetate and domestic wastewater mixture. The resulting experimental data supported the presence of GAOs for all tested HAC P ratios, especially under P limiting conditions for acetate as sole carbon source. Strong evidence is observed that acetate added domestic wastewater system had higher PAOs fraction than acetate system as sole source carbon, with using model components, namely substrate uptake, glycogen utilization and P release.
Authors:
E U Cokgor; N O Yagci; C W Randall; N Artan; D Orhon
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering     Volume:  39     ISSN:  1093-4529     ISO Abbreviation:  J Environ Sci Health A Tox Hazard Subst Environ Eng     Publication Date:  2004  
Date Detail:
Created Date:  2004-07-09     Completed Date:  2004-09-14     Revised Date:  2009-08-14    
Medline Journal Info:
Nlm Unique ID:  9812551     Medline TA:  J Environ Sci Health A Tox Hazard Subst Environ Eng     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1695-704     Citation Subset:  IM    
Affiliation:
Environmental Engineering Department, Istanbul Technical University, Insaat Fakültesi, Maslak, Istanbul, Turkey. ubay@itu.edu.tr
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MeSH Terms
Descriptor/Qualifier:
Bacteria
Bioreactors*
Glycogen / pharmacokinetics*
Hydrogen-Ion Concentration
Phosphorus / pharmacokinetics*
Population Dynamics
Waste Disposal, Fluid / methods*
Chemical
Reg. No./Substance:
7723-14-0/Phosphorus; 9005-79-2/Glycogen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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