Results 101 to 110 of about 1,469 (124)
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Filtration dans les lits epais. II. Interprétation microscopique du colmatage
Powder Technology, 1972Resume On donne l'interpretation physique et microscopique des experiences de colmatage et de decolmatage deja rapportees 1 . On distingue deux types de filtration: • la filtration mecanique pour les grosses particules (30 μm) au cours de laquelle les particules occupent d'abord les sites de crevasse puis bloquent certains retreints triangulaires
J.P. Herzig, P. Le Goff
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Colmatage naturel d'un milieu filtrant par les particules en suspension dans l'eau
Canadian Journal of Civil Engineering, 1979This paper contains a general study on the natural clogging of porous media by suspended sediment in water. This creates with time a decrease in the permeability coefficient and consequently a reduction of the seepage flow.Two theories are presented and compared for the prediction of the rate of clogging in nature.
Marcel Frenette, Conrad Anctil
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Colmatage et vie aquatique de l'hydrosystème Nives
2005National ...
Jarry, Marc +9 more
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Étude du phénomène de colmatage chimique des distributeurs d'eaux utilisés en microirrigation
Cahiers de l'Association Scientifique Européenne pour l'Eau et la Santé, 2002Les perimetres irrigues du Cap Bon sont alimentes principalement par les eaux du Canal Madjerda Cap Bon, les eaux de barrages et les eaux souterraines. Plusieurs techniques ont ete testees par les agriculteurs dont la micro-irrigation se trouve la plus efficace. L'utilisation de ce systeme a revele un probleme d'entartrage des distributeurs.
A. Ghorbel +4 more
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Morphologie de membrane et mécanismes de colmatage
2010no ...
Tamime, R. +6 more
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Etude préliminaire du colmatage des systèmes d'infiltrations des eaux pluviales en milieu urbain
Revue Européenne de Génie Civil, 2006ABSTRACT Infiltration techniques are now widely used to manage stormwater in urban areas. These techniques are used and recognized around the world for their many advantages, such as decreasing stormwater flow in sewer systems and recharging groundwater.
Sébastien Le Coustumer +2 more
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Model of colmatage-suffosion filtration of disperse systems in a porous medium
Journal of Engineering Physics and Thermophysics, 2000A model of colmatage-suffosion filtration of disperse systems in a porous medium is analyzed numerically based on a new kinetic equation for saturation of the pore space with settled particles.
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Colmatage of Reservoir Rocks in Oil Field Exploitation as a Result of Cation Exchange
Moscow University Geology Bulletin, 2020A. Lekhov, T. A. Kireeva
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1993
Abstract The classical laws of membrane filtration have been used to understand the filtration of beer and progressive blinding of the membrane. Experiments have been applied to laboratory filtration and to a pilot tangential¬ filtration unit.
M Lenoël +3 more
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Abstract The classical laws of membrane filtration have been used to understand the filtration of beer and progressive blinding of the membrane. Experiments have been applied to laboratory filtration and to a pilot tangential¬ filtration unit.
M Lenoël +3 more
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Transfert de matière à l'interface : Polarisation de concentration et colmatage
19986 tables 11 graph. Partie I : Bases fondamentales, Chapitre 1 : Opérations à membranes poreuses NF-UF-MF, article 2 ; National ...
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