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Procédés de traitement de l'eau de mer en conchyliculture pour la sauvegarde et le maintien de la qualité des mollusques bivalves ArchiMer
Castaing, Jean-baptiste.
The aim of this work is the study of seawater filtration process to preserve commercial bivalves and main tain their quality during harmful algal blooms. The originality of this work is based on the study of rustic processes, capable of removing toxic microalgae from seawater. Two filtration processes have been studied, the immersed hollow fibres membranes and a sand filter. The origin and nature of fouling mechanisms have been identified in connection with the selectivity and energy consumption . Suspensions of toxic and nontoxic microalgae were reconstituted and then filtered through 10 kDa, 300 kDa and 0.2 µm membranes and a sand filter (mean grain diameter dg equal to 250-520 µm). Microfiltration membrane 0.2 µm has emerged as the most suitable for the...
Tipo: Text Palavras-chave: Membranes immergées; Microfiltration; Ultrafiltration; Fibres creuses; Filtre à sable; Mécanismes de colmatage; Dinoflagellés toxiques; Conchyliculture; Bivalves; Immersed membranes; Microfiltration; Ultrafiltration; Hollow fibres; Sand filter; Fouling mechanisms; Toxic dinoflagellates; Shellfish farming; Bivalves.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00092/20349/17994.pdf
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