D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
D06M 14/18 (2006.01) B01D 39/08 (2006.01)
Patent
CA 2672051
The invention relates to a medium for the filtration of a fluid containing molecules of a Lewis acid, wherein the medium comprises a fluid-porous textile substrate having molecules grafted thereto, said molecules including at least one group having the properties of a Lewis base, such that the molecules of the above-mentioned Lewis acid can be retained in the textile substrate upon complexation with the grafted groups. The invention also relates to a method for producing one such medium and to a method for removing boric acid from an aqueous solution using one such filtration medium.
L'invention concerne un milieu de filtration d'un fluide contenant des molécules d'un acide de Lewis, ledit milieu comprenant un substrat textile poreux au fluide sur lequel sont greffées des molécules comprenant au moins un groupement présentant les propriétés d'une base de Lewis, de sorte à permettre la rétention des molécules dudit acide de Lewis dans le substrat textile par complexation avec les groupements greffés. L'invention concerne également un procédé de fabrication d'un tel milieu ainsi qu'un procédé d'élimination de l'acide borique d'une solution aqueuse au moyen d'un tel milieu de filtration.
Lainiere de Picardie Bc
Smart & Biggar
LandOfFree
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