Document Detail


Aerobic biological treatment of grease from urban wastewater treatment plants.
MedLine Citation:
PMID:  11547987     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Biological grease treatment is rapidly expanding in France, with about sixty plants recorded in 1998. They are designed at a volumetric loading of 2.5 kg COD/m3 of reactor per day. Several sites have been selected for their representativity and studied. Prior to detailed monitoring over a long period, preliminary investigations provided some information on the operation of these reactors. They showed that most of them are not optimized (low removal efficiency), but have limited operational constraints given their low load. This study enabled us to assess the quantity actually skimmed from the surface of the aerated grease separator in relation to the lipids in raw sewage, and to define the precautions to be taken for sampling and analysis of grease, before any data interpretation. A detailed measurement series was then implemented. It shows the considerable value of this process for the reduction of lipids and highlights the main operational parameters in order to obtain high performance while keeping low operating constraints.
Authors:
J P Canler; C Royer; P Duchène
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Water science and technology : a journal of the International Association on Water Pollution Research     Volume:  44     ISSN:  0273-1223     ISO Abbreviation:  Water Sci. Technol.     Publication Date:  2001  
Date Detail:
Created Date:  2001-09-07     Completed Date:  2002-01-17     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9879497     Medline TA:  Water Sci Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  219-26     Citation Subset:  IM    
Affiliation:
Cemagref, Unité de Recherche Qualité des Eaux et Prévention des Pollutions, Quai Chauveau, Lyon, France.
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MeSH Terms
Descriptor/Qualifier:
Biodegradation, Environmental
Cities
Environmental Monitoring
Lipid Metabolism*
Lipids / analysis
Oxygen / metabolism*
Sewage / chemistry*,  microbiology
Waste Disposal, Fluid / methods*
Water Purification / methods*
Chemical
Reg. No./Substance:
0/Lipids; 0/Sewage; 7782-44-7/Oxygen

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


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