SG11201808420PA - Method for separation of magnesium and calcium ions from saline water, for improving the quality of soft and desalinated waters - Google Patents

Method for separation of magnesium and calcium ions from saline water, for improving the quality of soft and desalinated waters

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Publication number
SG11201808420PA
SG11201808420PA SG11201808420PA SG11201808420PA SG11201808420PA SG 11201808420P A SG11201808420P A SG 11201808420PA SG 11201808420P A SG11201808420P A SG 11201808420PA SG 11201808420P A SG11201808420P A SG 11201808420PA SG 11201808420P A SG11201808420P A SG 11201808420PA
Authority
SG
Singapore
Prior art keywords
international
co2f
soft
permeate
quality
Prior art date
Application number
SG11201808420PA
Inventor
Ori Lahav
Liat Birnhack
Paz Nativ
Oded Nir
Original Assignee
Technion Res & Dev Foundation
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 Technion Res & Dev Foundation filed Critical Technion Res & Dev Foundation
Publication of SG11201808420PA publication Critical patent/SG11201808420PA/en

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Classifications

    • 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
    • B01D61/58—Multistep processes
    • 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
    • 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
    • B01D61/027—Nanofiltration
    • B01D61/0271—Nanofiltration comprising multiple nanofiltration steps
    • 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/447—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by membrane distillation
    • 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
    • B01D2311/06—Specific process operations in the permeate 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
    • B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
    • B01D2311/253—Bypassing of feed
    • B01D2311/2531—Bypassing of feed to permeate 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
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/16—Diafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2317/00—Membrane module arrangements within a plant or an apparatus
    • B01D2317/02—Elements in series
    • B01D2317/022—Reject series
    • 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
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
    • 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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • 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
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
    • 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
    • C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/101—Sulfur compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • 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
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • C02F2303/16—Regeneration of sorbents, filters
    • 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
    • C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization 1111111101111011101010111110101111101110111101111101111101111101111101111011111 International Bureau 0.. .1 j ..... ..,,/ (10) International Publication Number (43) International Publication Date WO 2017/168425 Al 5 October 2017 (05.10.2017) IN I PO I P CT (51) International Patent Classification: AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, CO2F 1/68 (2006.01) CO2F 103/08 (2006.01) BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, CO2F 1/44 (2006.01) BOlD 61/58 (2006.01) DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, CO2F 9/02 (2006.01) HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, (21) International Application Number: MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, PCT/IL2017/050392 NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, (22) International Filing Date: RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, 30 March 2017 (30.03.2017) TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (25) Filing Language: English (84) Designated States (unless otherwise indicated, for every (26) Publication Language: English kind of regional protection available): ARIPO (BW, GH, (30) Priority Data: GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, 244854 31 March 2016 (31.03.2016) IL TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, (71) Applicant: TECHNION RESEARCH & DEVELOP- DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, MENT FOUNDATION LIMITED [IL/IL]; Senate Build- LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, ing, Technion City, 3200004 Haifa (IL). SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, (72) Inventors: LAHAV, Ori; 49 Hagalil St., 3657000 Givat GW, KM, ML, MR, NE, SN, TD, TG). Ela (IL). BIRNHACK, Liat; 13 Avshalom St., 3340341 Declarations under Rule 4.17: Haifa (IL). NATIV, Paz; 45/4 Shimshon St., 3467814 of inventorship (Rule 4.17(N)) Haifa (IL). NIR, Oded; Kibbutz Gadot, 1232500 D.N. Up- per Galilee (IL). Published: (81) Designated States (unless otherwise indicated, for every — with international search report (Art. 21(3)) kind of national protection available): AE, AG, AL, AM, (54) Title: METHOD FOR SEPARATION ING THE QUALITY OF SOFT AND DESALINATED 32 —, 30 --, De-carbonated / \T OF A 34 MAGNESIUM AND WATERS -- -, Permeate-back to Recycled permeate DlaNF _. t.t : 46 desalinati o n CALCIUM IONS FROM SALINE WATER, FOR IMPROV- B 1_, plant . Recycled permeate 4° ,„ -4) -s SWRO Dia _ SW or SWRO brine Permeate 'pern '''. eate A. l 50 j OF 5 Il 42) -• ' NF-Brine Mg-rich j 38 38 44-) solution , 36 2 .2 11 in 48 N 71' GO 1-1 Figure 2 IN 11 0 (57) : A Nanofiltration-DiaNanofiltration (NF-DiaNF) system and method for extracting divalent ions from saline water \" (e.g., seawater) to produce solutions rich in divalent ions (in particular Mg', Ca' and 50 4 2- ), while minimizing the concentrations of C undesirable species (e.g., Cl - , Br, B and Nam). The solutions may be added to water (e.g., desalinated, soft, drinking or irrigation wa- ter) to enrich the water with divalent ions, thereby improving its quality.
SG11201808420PA 2016-03-31 2017-03-30 Method for separation of magnesium and calcium ions from saline water, for improving the quality of soft and desalinated waters SG11201808420PA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL244854A IL244854B (en) 2016-03-31 2016-03-31 Method for separation of magnesium and calcium ions from saline water, for improving the quality of soft and desalinated waters
PCT/IL2017/050392 WO2017168425A1 (en) 2016-03-31 2017-03-30 Method for separation of magnesium and calcium ions from saline water, for improving the quality of soft and desalinated waters

Publications (1)

Publication Number Publication Date
SG11201808420PA true SG11201808420PA (en) 2018-10-30

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SG11201808420PA SG11201808420PA (en) 2016-03-31 2017-03-30 Method for separation of magnesium and calcium ions from saline water, for improving the quality of soft and desalinated waters

Country Status (6)

Country Link
US (1) US11279643B2 (en)
EP (1) EP3436411B1 (en)
CN (1) CN109311709A (en)
IL (1) IL244854B (en)
SG (1) SG11201808420PA (en)
WO (1) WO2017168425A1 (en)

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MX2019012078A (en) * 2017-05-08 2020-01-13 Evoqua Water Tech Llc Water treatment of sodic, high salinity, or high sodium waters for agricultural applications.
US11826706B2 (en) 2017-11-06 2023-11-28 Alfa Laval Copenhagen A/S Flow control in large-numbered, series-coupled vessels of reverse osmosis systems
GB201719153D0 (en) * 2017-11-20 2018-01-03 Surrey Aquatechnology Ltd Solvent separation
CN107977505A (en) * 2017-11-28 2018-05-01 兰州大学 The new method that a kind of antecedent precipitation decline coefficient k determines
US10947143B2 (en) 2019-04-01 2021-03-16 Saline Water Conversion Corporation Desalination brine concentration system and method
CN110092493A (en) * 2019-05-28 2019-08-06 中国海洋石油集团有限公司 A kind of method of offshore oilfield prevention oil well fouling
WO2021034332A1 (en) 2019-08-22 2021-02-25 Saline Water Conversion Corporation Multi-valent ion concentration using multi-stage nanofiltration
CN115591404A (en) * 2021-07-08 2023-01-13 Bl 科技公司（Us） Nanofiltration system and method
US11806668B2 (en) 2021-12-14 2023-11-07 Saline Water Conversion Corporation Method and system for extraction of minerals based on divalent cations from brine
US11502323B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell and methods of use thereof
US11502322B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell with heat pump
DE102022120661A1 (en) * 2022-08-16 2024-02-22 K+S Aktiengesellschaft Method and device for separating highly concentrated salt solutions
US11855324B1 (en) 2022-11-15 2023-12-26 Rahul S. Nana Reverse electrodialysis or pressure-retarded osmosis cell with heat pump

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US8152999B2 (en) 2004-05-21 2012-04-10 Wisconsin Alumni Research Foundation Membrane cascade-based separation
US20100288700A1 (en) 2009-04-20 2010-11-18 Technion Research & Development Foundation Ltd. Post treatment of desalinated and soft water for balanced water composition supply
WO2010131251A2 (en) * 2009-05-13 2010-11-18 Renewed Water Minerals Ltd. Separation of mg2+ ions from sea-and brackish water for the purpose of re-mineralization of water and wastewater
JP2012120943A (en) * 2010-12-06 2012-06-28 Toray Ind Inc Alkali metal separation and recovery method, and alkali metal separation and recovery apparatus
PT2565165T (en) 2011-08-31 2016-11-01 Omya Int Ag Remineralization of desalinated and of fresh water by dosing of a calcium carbonate solution in soft water
US20140202957A1 (en) * 2013-01-18 2014-07-24 Chevron U.S.A. Inc. Method for improving the percent recovery and water quality in high total hardness water
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CN103253784A (en) 2013-06-05 2013-08-21 魏华 High-concentration salt-containing mother liquid or wastewater treatment device and treatment method

Also Published As

Publication number Publication date
US20200299165A1 (en) 2020-09-24
US11279643B2 (en) 2022-03-22
EP3436411A4 (en) 2019-09-18
IL244854A0 (en) 2016-06-30
EP3436411A1 (en) 2019-02-06
CN109311709A (en) 2019-02-05
EP3436411B1 (en) 2024-04-17
IL244854B (en) 2019-02-28
WO2017168425A1 (en) 2017-10-05

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