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1. WO2020112719 - MULTI-STAGE ION SEPARATOR WITH RECIRCULATION

Publication Number WO/2020/112719
Publication Date 04.06.2020
International Application No. PCT/US2019/063171
International Filing Date 26.11.2019
IPC
B01D 61/42 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
42Electrodialysis; Electro-osmosis
C02F 1/469 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
46by electrochemical methods
469by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
CPC
B01D 2311/25
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2311Details relating to membrane separation process operations and control
25Recirculation, recycling, e.g. recirculation of concentrate into the feed
B01D 2317/02
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2317Membrane module arrangements within a plant or an apparatus
02Elements in series
B01D 61/427
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
42Electrodialysis; Electro-osmosis ; Electro-ultrafiltration
427Electro-osmosis
C02F 1/469
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1Treatment of water, waste water, or sewage
46by electrochemical methods
469by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
C02F 2301/046
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
2301General aspects of water treatment
04Flow arrangements
046Recirculation with an external loop
C02F 2301/08
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
2301General aspects of water treatment
08Multistage treatments, e.g. repetition of the same process step under different conditions
Applicants
  • MASSACHUSETTS INSTITUTE OF TECHNOLOGY [US]/[US]
  • KUWAIT UNIVERSITY [KW]/[KW]
Inventors
  • AL-ANZI, Bader, Shafaqa
  • AL-HAMMADI, Sumaya
  • YOON, Junghyo
  • HAN, Jongyoon
Agents
  • HODA, Mahreen Chaudhry
Priority Data
62/774,00930.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) MULTI-STAGE ION SEPARATOR WITH RECIRCULATION
(FR) SÉPARATEUR D'IONS À PLUSIEURS ÉTAGES AVEC RECIRCULATION
Abstract
(EN)
The present invention provides for the use of recirculation loops in single- or multi- stage electrical desalination processes such as Ion Concentration Polarization (ICP) desalination and concentration processes.
(FR)
La présente invention concerne l'utilisation de boucles de recirculation pour des processus de dessalement électrique mono- ou multi-étage, tels que des processus de dessalement et de concentration par polarisation de concentration ionique (ICP).
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