EP2822674A4 - Nanofiltrationsverfahren zur verbesserten solerückgewinnung und sulfatbeseitigung - Google Patents

Nanofiltrationsverfahren zur verbesserten solerückgewinnung und sulfatbeseitigung

Info

Publication number
EP2822674A4
EP2822674A4 EP13758618.6A EP13758618A EP2822674A4 EP 2822674 A4 EP2822674 A4 EP 2822674A4 EP 13758618 A EP13758618 A EP 13758618A EP 2822674 A4 EP2822674 A4 EP 2822674A4
Authority
EP
European Patent Office
Prior art keywords
nanofiltration process
sulfate removal
brine recovery
enhanced
enhanced brine
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP13758618.6A
Other languages
English (en)
French (fr)
Other versions
EP2822674A1 (de
Inventor
Norbert Eckert
Thomas Drackett
Ian Bailey
Allison Merz
Felix Mok
Siamak Lashkari
Ganapathy Ramasubbu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chemetics Inc
Original Assignee
Chemetics Inc
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 Chemetics Inc filed Critical Chemetics Inc
Publication of EP2822674A1 publication Critical patent/EP2822674A1/de
Publication of EP2822674A4 publication Critical patent/EP2822674A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/04—Chlorides
    • C01D3/06—Preparation by working up brines; seawater or spent lyes
    • 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
    • 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
    • B01D2317/00—Membrane module arrangements within a plant or an apparatus
    • B01D2317/02—Elements in series
    • B01D2317/022—Reject series
    • 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
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EP13758618.6A 2012-03-07 2013-02-20 Nanofiltrationsverfahren zur verbesserten solerückgewinnung und sulfatbeseitigung Withdrawn EP2822674A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261607722P 2012-03-07 2012-03-07
PCT/CA2013/050131 WO2013131183A1 (en) 2012-03-07 2013-02-20 Nanofiltration process for enhanced brine recovery and sulfate removal

Publications (2)

Publication Number Publication Date
EP2822674A1 EP2822674A1 (de) 2015-01-14
EP2822674A4 true EP2822674A4 (de) 2015-12-16

Family

ID=49115825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13758618.6A Withdrawn EP2822674A4 (de) 2012-03-07 2013-02-20 Nanofiltrationsverfahren zur verbesserten solerückgewinnung und sulfatbeseitigung

Country Status (3)

Country Link
EP (1) EP2822674A4 (de)
CA (1) CA2864478A1 (de)
WO (1) WO2013131183A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016005996A2 (en) * 2014-07-10 2016-01-14 Geist Research Pvt. Ltd. A method and a system for recovery of anhydrous sodium sulfate from reject stream of sulfate removal system
US10947143B2 (en) 2019-04-01 2021-03-16 Saline Water Conversion Corporation Desalination brine concentration system and method
US20210053848A1 (en) * 2019-08-22 2021-02-25 Saline Water Conversion Corporation Multi-Valent Ion Concentration Using Multi-Stage Nanofiltration
EP4121392A1 (de) * 2020-03-16 2023-01-25 DuPont Safety & Construction, Inc. Konzentrierung von schwefelsäure
CN111362471A (zh) * 2020-04-17 2020-07-03 莱特莱德（北京）环境技术股份有限公司 煤化工副产氯化钠饱和溶液中脱硫酸钠的装置
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5858240A (en) * 1995-04-17 1999-01-12 Chemetics International Company Ltd. Nanofiltration of concentrated aqueous salt solutions
EP1586562A1 (de) * 2004-03-30 2005-10-19 Council of Scientific and Industrial Research Gewinnung von Natriumthiocyanat aus einer Lösung von einem industriellen Verfahren durch Nanofiltrationshilfen
US20050269266A1 (en) * 2004-06-04 2005-12-08 Aker Kvaerner Canada Inc. Apparatus and method for osmotic membrane distillation
CN201144172Y (zh) * 2007-12-27 2008-11-05 张艳 纳滤膜脱除盐水中硫酸根的装置
US20110198285A1 (en) * 2010-02-17 2011-08-18 Katana Energy Llc Zero Discharge Water Desalination Plant With Minerals Extraction Integrated With Natural Gas Combined Cycle Power Generation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586993A (en) * 1985-05-31 1986-05-06 Stearns Catalytic World Corporation Control of sulfates in membrane cell chlor-alkali process
US8083942B2 (en) * 2004-12-06 2011-12-27 Board of Regents of the Nevada System of Higher Education, on Behalf of the Universary of Nevada, Reno Systems and methods for purification of liquids
US8038883B2 (en) * 2005-02-18 2011-10-18 Akzo Nobel N.V. Process to prepare salt
US20100163471A1 (en) * 2008-12-30 2010-07-01 Irving Elyanow Water desalination plant and system for the production of pure water and salt
US9561471B2 (en) * 2009-05-13 2017-02-07 Carollo Engineers, Inc. Brine treatment scaling control system and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5858240A (en) * 1995-04-17 1999-01-12 Chemetics International Company Ltd. Nanofiltration of concentrated aqueous salt solutions
EP1586562A1 (de) * 2004-03-30 2005-10-19 Council of Scientific and Industrial Research Gewinnung von Natriumthiocyanat aus einer Lösung von einem industriellen Verfahren durch Nanofiltrationshilfen
US20050269266A1 (en) * 2004-06-04 2005-12-08 Aker Kvaerner Canada Inc. Apparatus and method for osmotic membrane distillation
CN201144172Y (zh) * 2007-12-27 2008-11-05 张艳 纳滤膜脱除盐水中硫酸根的装置
US20110198285A1 (en) * 2010-02-17 2011-08-18 Katana Energy Llc Zero Discharge Water Desalination Plant With Minerals Extraction Integrated With Natural Gas Combined Cycle Power Generation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BARR A: "Sulphate removal by nanofiltration", FILTRATION AND SEPARATION, ELSEVIER ADVANCED TECHNOLOGY, OXFORD, GB, vol. 38, no. 6, 1 July 2001 (2001-07-01), pages 18 - 20, XP004298417, ISSN: 0015-1882, DOI: 10.1016/S0015-1882(01)80376-1 *

Also Published As

Publication number Publication date
EP2822674A1 (de) 2015-01-14
CA2864478A1 (en) 2013-09-12
WO2013131183A1 (en) 2013-09-12

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