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1. WO2020068538 - CONTROL OF TOC, PERCHLORATE, AND PFAS THROUGH ADVANCED OXIDATION AND SELECTIVE ION EXCHANGE PROCESS

Publication Number WO/2020/068538
Publication Date 02.04.2020
International Application No. PCT/US2019/051861
International Filing Date 19.09.2019
IPC
B01D 61/44 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
44Ion-selective electrodialysis
B01D 71/30 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
71Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
06Organic material
30Polyalkenyl halides
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
C02F 1/283
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
28by sorption
283using coal, charred products, or inorganic mixtures containing them
C02F 1/32
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
30by irradiation
32with ultra-violet light
C02F 1/42
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
42by ion-exchange
C02F 1/722
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
72by oxidation
722Oxidation by peroxides
C02F 2001/422
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
42by ion-exchange
422using anionic exchangers
C02F 2101/36
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
2101Nature of the contaminant
30Organic compounds
36containing halogen
Applicants
  • EVOQUA WATER TECHNOLOGIES LLC [US]/[US]
Inventors
  • SWANSON, Catherine
  • LOMBARDO, John
  • HALL, Christopher
  • MALLMANN, Thomas Kenneth
Agents
  • FREDERICK C., Wilkins
Priority Data
62/733,14928.09.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CONTROL OF TOC, PERCHLORATE, AND PFAS THROUGH ADVANCED OXIDATION AND SELECTIVE ION EXCHANGE PROCESS
(FR) CONTRÔLE DE COT, DE PERCHLORATE ET DE SUBSTANCES PFAS PAR OXYDATION AVANCÉE ET PROCESSUS D'ÉCHANGE D'IONS SÉLECTIF
Abstract
(EN)
Systems and methods for controlling TOC, perchlorate, and/or PFAS levels in water involving an advanced oxidation process (AOP) combined with ion exchange resin are disclosed.
(FR)
L'invention concerne des systèmes et des procédés de contrôle des taux de COT, de perchlorate et/ou de substances PFAS dans l'eau impliquant un processus d'oxydation avancé (AOP) combiné à une résine échangeuse d'ions.
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