Ferrimagnetic membranes for separation of paramagnetic and diamagnetic species

J. Gwak; Andre Ayral; V. Rouessac; Louis Cot; Jc Grenier; Es Jang; Jh Choy

Retour

Acte de colloque

Ferrimagnetic membranes for separation of paramagnetic and diamagnetic species

J. Gwak, Andre Ayral, V. Rouessac, Louis Cot, Jc Grenier, Es Jang et Jh Choy

Symposium on Membranes-Preparation, Properties and Applications held at the 2002 MRS Fall Meeting, Vol.752, pp.219-224

Symposium on Membranes-Preparation, Properties and Applications held at the 2002 MRS Fall Meeting (BOSTON (MA), United States, 02/12/2002)

2003

Résumé

MOLECULES

PARTICLES

For using as separative membranes based on magnetic selectivity, nanoporous ferrimagnetic membranes of maghemite (gamma-Fe2O3) and cobalt ferrite (Fe2CoO4) were prepared by the sol-gel route from ferrofluid colloidal solutions. Their magnetic properties were examined by superconductor quantum interference device (SQUID), and their structures and porous textures were studied by X-ray diffraction (XRD), scanning electron microscopy (SEM) and nitrogen adsorption-desorption analyses. O-2-N-2 adsorption and air separation experiments were carried out in order to evidence magnetic interactions in static and dynamic conditions, respectively. A small effect of an external magnetic field on the selectivity of these membranes was observed.

Fichiers et liens (1)

url

Find in HALAfficher

Indicateurs

1 Consultations de la notice

Détails

Titre: Ferrimagnetic membranes for separation of paramagnetic and diamagnetic species
Créateurs - sans rôle: J. Gwak
Andre Ayral - Université de Montpellier, Institut Européen des Membranes - IEM
V. Rouessac - Université de Montpellier, Institut Européen des Membranes - IEM
Louis Cot - Université de Montpellier, Institut Européen des Membranes - IEM
Jc Grenier
Es Jang
Jh Choy
Détails de publication: Symposium on Membranes-Preparation, Properties and Applications held at the 2002 MRS Fall Meeting, Vol.752, pp.219-224
Colloque: Symposium on Membranes-Preparation, Properties and Applications held at the 2002 MRS Fall Meeting (BOSTON (MA), United States, 02/12/2002)
Identifiants: 9942342609311
Unité académique: Institut Européen des Membranes - IEM
Langue: English
Type de ressource: Conference proceeding
Champs locaux: hal-00450227