Search Results - "Quéméneur, F."

Mechanism of nitrate ions transfer in nanofiltration depending on pressure, pH, concentration and medium composition by Paugam, L, Taha, S, Dorange, G, Jaouen, P, Quéméneur, F

“…In this study, the retention of nitrate ions by a commercial nanofiltration membrane is investigated to highlight their transport mechanism. The influence of…”
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Transfer of Monovalent and Divalent Cations in Salt Solutions by Electrodialysis by Firdaous, L., Malériat, J.-P., Schlumpf, J.-P., Quéméneur, F.

“…The selectivity mechanism of transport of Na + , Ca 2+ and Mg 2+ through commercial monovalent-cation permselective membranes is investigated in batch…”
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Membrane technology for the continuous separation microalgae/culture medium: compared performances of cross-flow microfiltration and ultrafiltration by Rossignol, N., Vandanjon, L., Jaouen, P., Quéméneur, F.

“…Cross-flow microfiltration and ultrafiltration techniques have become a suitable process for the separation of micro-organisms in a variety of biotechnical…”
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Transfer of monovalent anions and nitrates especially through nanofiltration membranes in brackish water conditions by Paugam, L., Diawara, C.K., Schlumpf, J.P., Jaouen, P., Quéméneur, F.

“…In this paper, the transport mechanism of monovalent anions, fluorides, chlorides and nitrates particularly, through three commercial nanofiltration membranes…”
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The shear stress of microalgal cell suspensions ( Tetraselmis suecica) in tangential flow filtration systems: the role of pumps by Jaouen, P., Vandanjon, L., Quéméneur, F.

“…A widely used technique for cell harvesting is crossflow microfiltration. The relative fragility of microalgae requires choosing a suitable pumping system…”
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Recovery by nanofiltration and reverse osmosis of marine flavours from seafood cooking waters by Vandanjon, L., Cros, S., Jaouen, P., Quéméneur, F., Bourseau, P.

“…Cooking waters from buckies, shrimps and tuna have a high level of polluting load (Chemical Oxygen Demand — COD — comprised between 5 and 40 gO 2/L) and have…”
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Effects of shear on two microalgae species. Contribution of pumps and valves in tangential flow filtration systems by Vandanjon, L., Rossignol, N., Jaouen, P., Robert, J. M., Quéméneur, F.

“…The circulation of microorganisms in tangential flow filtration systems induces perturbations and then the damage of brittle cells. This work is focused on the…”
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Modification of the ionic composition of salt solutions by electrodialysis by Firdaous, L., Quéméneur, F., Schlumpf, J.P., Malériat, J.P.

“…The present work investigated the separation properties through monovalent-ion-permselective membranes (Neosepta CMX-S, ACS) in electrodialysis. An…”
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Nanofiltration of seawater: fractionation of mono- and multi-valent cations by Oumar Anne, C., Trébouet, Dominique, Jaouen, Pascal, Quéméneur, Francis

“…First the capabilities of six nanofiltration membranes (cut-offs of between 100 to 1000 daltons) to selectively demineralize salt water containing the same…”
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Influence of Ionic Composition on Nitrate Retention by Nanofiltration by Paugam, L., Taha, S., Dorange, G., Quéméneur, F.

“…This study was developed to highlight the influence of the nature of the water to be treated on the efficiency of nitrate elimination by a commercial membrane…”
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Stabilized landfill leachate treatment by combined physicochemical–nanofiltration processes by Trebouet, D, Schlumpf, J.P, Jaouen, P, Quemeneur, F

“…Landfill leachate is a complex wastewater which the composition and concentration of contaminants are influenced by the type of waste deposited and the age of…”
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Concentration and desalting by membrane processes of a natural pigment produced by the marine diatom Haslea ostrearia Simonsen by Vandanjon, L., Jaouen, P., Rossignol, N., Quéméneur, F., Robert, J.-M.

“…The marine microalga Haslea ostrearia, also called ≪blue navicula⪢, presents the unique peculiar property among the diatoms, to produce at its extremities a…”
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Propagation of an oblique spreading centre: the western Gulf of Aden by Dauteuil, O., Huchon, P., Quemeneur, F., Souriot, T.

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Clarification and concentration with membrane technology of a phycocyanin solution extracted from Spirulina platensis by JAOUEN, P, LEPINE, B, ROSSIGNOL, N, ROYER, R, QUEMENEUR, F

“…Membrane technologies were investigated with the aim to improve stability of C-Phycocyanin extracts resulting from ultrasonic breakage of Spirulina platensis…”
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Experimental Characterization of Liposomes Stabilized by Polyelectrolytes and Mechanism of Interaction Involved by Rinaudo, M., Quemeneur, F., Pépin-Donat, B.

“…This article describes the results obtained on stabilization of lipid vesicles with polyelectrolytes. It is shown that the adsorption of chitosan and…”
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Mechanical Characterization of Micrometric Chitosan-Coated Vesicle by Atomic Force Microscopy by Rinaudo, M., Quemeneur, F., Dubreuil, F., Fery, A., Pépin-Donat, B.

“…This article reports the main results obtained for the stabilization of DOPC liposomes by coating with chitosan. We investigated the compression between two…”
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Stabilization of Liposomes Against Stress Using Polyelectrolytes: Interaction Mechanisms, Influence of pH, Molecular Weight, and Polyelectrolyte Structure by Rinaudo, M., Quemeneur, F., Pépin-Donat, B.

“…This work concerns the stabilization of liposomes by biocompatibly charged polysaccharides: chitosan, a positively charged polyelectrolyte at pH <6.0, and…”
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Antioxidant and pro-oxidant activities of the brown algae, Laminaria digitata, Himanthalia elongata, Fucus vesiculosus, Fucus serratus and ascophyllum nodosum by LE TUTOUR, B, BENSLIMANE, F, GOULEAU, M. P, GOUYGOU, J. P, SAADAN, B, QUEMENEUR, F

“…The ability of Laminaria digitata, Himanthalia elongata, Fucus vesiculosus, Fucus serratus and Ascophyllum nodosum to scavenge peroxyl radicals was…”
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Continuous high-pressure disruption of marine diatom Haslea ostrearia. Assessment by laser diffraction particle sizer by Rossignol, N, Moan, R, Jaouen, P, Robert, J.M, Quemeneur, F

“…In order to recover the intracellular blue-green pigment, marennine, synthesized by the microalga Haslea ostrearia, a continuous flow high-pressure disrupter…”
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Effect of Operating Conditions on the Nanofiltration of Landfill Leachates: Pilot-Scale Studies by Trebouet, D., Schlumpf, J. P., Jaouen, P., Maleriat, J. P., Quemeneur, F.

“…Landfill leachate is the name given to water that has passed through solid waste and contains organic, metal and mineral contaminants. Therefore, this effluent…”
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