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1. WO2018122306 - METHOD FOR TREATING SEAWATER BY BIOFLOCCULATION AND FLOTATION AND CORRESPONDING INSTALLATION

Publication Number WO/2018/122306
Publication Date 05.07.2018
International Application No. PCT/EP2017/084709
International Filing Date 28.12.2017
IPC
C02F 1/24 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
24by flotation
C02F 1/52 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
52by flocculation or precipitation of suspended impurities
C02F 3/08 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3Biological treatment of water, waste water, or sewage
02Aerobic processes
08using moving contact bodies
C02F 1/00 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
C02F 1/44 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
44by dialysis, osmosis or reverse osmosis
C02F 3/34 2006.01
CCHEMISTRY; METALLURGY
02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
3Biological treatment of water, waste water, or sewage
34characterised by the microorganisms used
CPC
C02F 1/001
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
001Processes for the treatment of water whereby the filtration technique is of importance
C02F 1/004
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
001Processes for the treatment of water whereby the filtration technique is of importance
004using large scale industrial sized filters
C02F 1/24
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
24by flotation
C02F 1/44
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
44by dialysis, osmosis or reverse osmosis
C02F 1/441
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
44by dialysis, osmosis or reverse osmosis
441by reverse osmosis
C02F 1/5263
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
52by flocculation or precipitation of suspended impurities
5263using natural chemical compounds
Applicants
  • VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT [FR]/[FR]
Inventors
  • LEPARC, Jérôme
  • GAID, Abdelkader
  • VERGNOLLE, Fabien
Agents
  • VIDON BREVETS & STRATÉGIE
Priority Data
166345228.12.2016FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) METHOD FOR TREATING SEAWATER BY BIOFLOCCULATION AND FLOTATION AND CORRESPONDING INSTALLATION
(FR) PROCÉDÉ DE TRAITEMENT DE L'EAU DE MER PAR BIOFLOCULATION ET FLOTTATION, ET INSTALLATION CORRESPONDANTE
Abstract
(EN)
The method and corresponding installation allow seawater to be biologically treated in order to purify it. The use of bioflocculation makes it possible to avoid using exogenous coagulation and/or flocculation agents, allows a significant reduction in the clogging power of the water treated, allows an improvement of the yield and a reduction of the quantities of sludge produced to be treated then discharged.
(FR)
Le procédé et l'installation correspondante permettent le traitement de l'eau de mer par voie biologique en vue de son épuration. Le recours à la biofloculation permet de s'exonérer de l'utilisation d'agents exogènes de coagulation et/ou de floculation, de réduire significativement le pourvoir colmatant des eaux traitées, d'améliorer le rendement et de réduire les quantités de boues produites à traiter puis évacuer.
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