SG11201803859UA - Imroved reverse osmosis or nanofiltration process for cleaning water - Google Patents

Imroved reverse osmosis or nanofiltration process for cleaning water

Info

Publication number
SG11201803859UA
SG11201803859UA SG11201803859UA SG11201803859UA SG11201803859UA SG 11201803859U A SG11201803859U A SG 11201803859UA SG 11201803859U A SG11201803859U A SG 11201803859UA SG 11201803859U A SG11201803859U A SG 11201803859UA SG 11201803859U A SG11201803859U A SG 11201803859UA
Authority
SG
Singapore
Prior art keywords
imroved
reverse osmosis
cleaning water
nanofiltration process
nanofiltration
Prior art date
Application number
SG11201803859UA
Inventor
Alex Drak
Tomer Efrat
Roi Zaken
Original Assignee
Ide Technologies Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ide Technologies Ltd filed Critical Ide Technologies Ltd
Publication of SG11201803859UA publication Critical patent/SG11201803859UA/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027—Nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/10—Accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/12—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/08—Specific process operations in the concentrate stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
    • B01D2311/252—Recirculation of concentrate
    • B01D2311/2523—Recirculation of concentrate to feed side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2623—Ion-Exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2626—Absorption or adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2649—Filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/268—Water softening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/10—Specific supply elements
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/03—Pressure
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/40—Liquid flow rate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/04—Flow arrangements
    • C02F2301/046—Recirculation with an external loop
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis
SG11201803859UA 2015-07-23 2016-07-13 Imroved reverse osmosis or nanofiltration process for cleaning water SG11201803859UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1512979.4A GB2540603A (en) 2015-07-23 2015-07-23 Imroved reverse osmotic process for cleaning water
PCT/IB2016/054172 WO2017013536A1 (en) 2015-07-23 2016-07-13 Imroved reverse osmosis or nanofiltration process for cleaning water

Publications (1)

Publication Number Publication Date
SG11201803859UA true SG11201803859UA (en) 2018-06-28

Family

ID=54106489

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201803859UA SG11201803859UA (en) 2015-07-23 2016-07-13 Imroved reverse osmosis or nanofiltration process for cleaning water

Country Status (9)

Country Link
US (2) US11071949B2 (en)
EP (1) EP3397375A1 (en)
AU (1) AU2016295562B2 (en)
CA (1) CA3003979C (en)
EA (1) EA036084B1 (en)
GB (1) GB2540603A (en)
SG (1) SG11201803859UA (en)
WO (1) WO2017013536A1 (en)
ZA (1) ZA201802853B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2588925A (en) * 2019-11-14 2021-05-19 Ide Technologies Ltd High efficiency water treatment process

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776842A (en) 1971-03-08 1973-12-04 Raypak Inc Water cleaning treatment
US4165288A (en) * 1977-07-05 1979-08-21 Riegel Textile Corporation Process of treating waste water from a textile vat dyeing operation to produce a concentrate for reuse
US4814086A (en) * 1985-10-03 1989-03-21 Bratt Russell I Method and apparatus for fluid treatment by reverse osmosis
HU200563B (en) 1987-03-06 1990-07-28 Laszlo Szuecs Method and apparatus for treating liquids consist of foreign matter by diaphragm filter device
WO1997029049A1 (en) * 1996-02-07 1997-08-14 Manuel Barreto Avero Sea water reverse osmosis desalination system, with permanent renewal of the water to be de-salted
CA2186963C (en) 1996-10-01 1999-03-30 Riad A. Al-Samadi High water recovery membrane purification process
MA24642A1 (en) * 1997-09-03 1999-04-01 Manuel Barreto Avero REVERSE OSMOSIS WATER DESALINATION SYSTEM USING PRESSURIZED CHAMBERS WITH SUSPENSION PISTON AND POSITION DETECTION SYSTEM THEREOF
WO2000000274A1 (en) * 1998-06-30 2000-01-06 Manuel Barreto Avero Water desalting installation through reverse osmosis with pressurized supply tanks in continuous kinetic cycle
IL144724A0 (en) * 2001-08-05 2002-06-30 Efrati Avi Variable pressure closed circuit desalination
US8137539B2 (en) 2003-12-07 2012-03-20 Ben-Gurion University Of The Negev Research And Development Authority Method and system for increasing recovery and preventing precipitation fouling in pressure-driven membrane processes
US7201557B2 (en) * 2005-05-02 2007-04-10 Energy Recovery, Inc. Rotary pressure exchanger
GR1005796B (en) * 2006-02-24 2008-01-30 System for the recovery of energy and the reduction of deposits on membranes in a desalination unit (of variable power and supply) by reverse osmosis
US8147692B2 (en) * 2008-01-04 2012-04-03 Fluid Equipment Development Company, Llc Batch-operated reverse osmosis system with multiple membranes in a pressure vessel
CN103237592B (en) 2010-12-02 2015-10-14 东丽株式会社 The production method of reverse osmosis membrane separator, its starting method and permeate
WO2013146391A1 (en) * 2012-03-30 2013-10-03 東レ株式会社 Method for separation and recovery of alkali metal and alkali metal separation and recovery apparatus
KR101507020B1 (en) 2014-03-11 2015-04-08 주식회사 포스코건설 Desalination apparatus comprising plural intake-treatment part and Control method the same
FR3025792B1 (en) 2014-09-17 2016-11-25 Veolia Water Solutions & Tech DEVICE FOR TREATMENT OF SATURATED SALIN EFFLUENTS IN THE PRESENCE OF PRECIPITATION INHIBITORS
CN104496083A (en) 2014-12-25 2015-04-08 威洁（石狮）中水回用技术有限公司 Seawater recycling and desalting system and desalting method thereof
CN109205898B (en) 2017-07-05 2022-06-17 国家能源投资集团有限责任公司 Treatment method and treatment system for brackish water or seawater

Also Published As

Publication number Publication date
ZA201802853B (en) 2020-01-29
AU2016295562B2 (en) 2020-03-26
US20210299612A1 (en) 2021-09-30
GB2540603A (en) 2017-01-25
AU2016295562A1 (en) 2018-06-14
US20180333678A1 (en) 2018-11-22
CA3003979A1 (en) 2017-01-26
US11890577B2 (en) 2024-02-06
GB201512979D0 (en) 2015-09-09
WO2017013536A1 (en) 2017-01-26
EA036084B1 (en) 2020-09-24
EA201891257A1 (en) 2018-12-28
EP3397375A1 (en) 2018-11-07
US11071949B2 (en) 2021-07-27
CA3003979C (en) 2023-01-17

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