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1. WO2018007759 - METHOD FOR EXTRACTING A COMPOUND CONTAINED IN A LIQUID SOLUTION BY FORWARD OSMOSIS

Publication Number WO/2018/007759
Publication Date 11.01.2018
International Application No. PCT/FR2017/051843
International Filing Date 06.07.2017
IPC
B01D 61/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
61Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
CPC
B01D 2311/12
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2311Details relating to membrane separation process operations and control
12Addition of chemical agents
B01D 2311/2673
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2311Details relating to membrane separation process operations and control
26Further operations combined with membrane separation precesses
2673Evaporation
B01D 61/005
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
61Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
002Forward osmosis, direct osmosis
005Osmotic agents, draw solutions
Applicants
  • EDERNA [FR]/[FR]
Inventors
  • GASCONS VILADOMAT, Fabrice
  • MAUGIN, Thomas
Agents
  • FOURCADE, Emmanuelle
Priority Data
165660608.07.2016FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) METHOD FOR EXTRACTING A COMPOUND CONTAINED IN A LIQUID SOLUTION BY FORWARD OSMOSIS
(FR) PROCÉDÉ D'EXTRACTION PAR OSMOSE DIRECTE D'UN COMPOSÉ CONTENU DANS UNE SOLUTION LIQUIDE
Abstract
(EN)
The invention concerns a method for extracting a determined compound contained in a liquid solution, referred to as the feed solution, by forward osmosis, which involves: circulating the feed solution in contact with a first face of a membrane suitable for selectively allowing the transfer of said compound by osmosis, and circulating a second liquid solution, referred to as the extraction solution, containing potassium lactate, in contact with a second opposing face of the membrane opposite the first face.
(FR)
L'invention concerne un procédé d'extraction par osmose directe d'un composé déterminé contenu dans une solution liquide, dite solution d'alimentation, selon lequel : on fait circuler la solution d'alimentation au contact d'une première face d'une membrane apte à permettre sélectivement le transfert par osmose dudit composé, et on fait circuler une deuxième solution liquide, dite solution d'extraction, contenant du lactate de potassium, au contact d'une deuxième face opposée de la membrane opposée à la première face.
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