NDLI: Le carbone organique biodégradable dans les eaux traitées des stations d'épuration du bassin de la Seine

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Le carbone organique biodégradable dans les eaux traitées des stations d'épuration du bassin de la Seine

Content Provider	Semantic Scholar
Author	Tusseau-Vuillemin, Marie-Hélène Réveillé, Guillaume Le
Copyright Year	2001
Abstract	L'ensemble des 1 637 stations d'epuration du bassin de la Seine est tout d'abord caracterise au moyen d'une analyse des correspondances multiples fondee sur plusieurs parametres quantitatifs (taille de l'installation, charge, rendements sur les matieres en suspension, les matieres oxydables, l'azote et le phosphore) et qualitatif (type de filiere de traitement). Il en ressort que la charge de l'installation est decorrelee des rendements, alors que la capacite des installations est correlee, de facon non-lineaire, avec ces derniers. Des prelevements moyens sur 24 heures proportionnels au temps et refrigeres ont ete realises en sortie de plusieurs de ces stations. Les concentrations en carbone biodegradable, dissous et particulaire dans les eaux traitees varient respectivement de 1,5mgC/l a 6,8 mgC/l et de 0,9 mgC/L a 62,1 mgC/l. / The 1,637 treatment plants located in the Seine river basin were first globally characterized thanks to a Multi Correspondence Analysis based on different parameters: type of process, size in p.e., actual loading, Suspended Solids, Oxydable Matter, nitrogen and phosphorus removal efficiencies. It appears that the actual loading rate does not significantly explain the variability of the efficiencies of removal whereas design capacities are non-linearly correlated to these latter. Based on this statistical description, several treatment plants were selected and their treated effluents investigated by means of 24 hours composite samples. Biodegradable dissolved and particulate organic carbon and Chemical Oxygen Demand were measured. The amount of biodegradable dissolved and particulate organic carbon remaining in treated waters ranged respectively from 1.5 mg/l to 6.8 mg/l and from 0.9 mg/l to 62.1 mg/l.
Starting Page	3
Ending Page	12
Page Count	10
File Format	PDF HTM / HTML
Volume Number	25
Alternate Webpage(s)	https://archimer.ifremer.fr/doc/00069/17990/15524.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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