AU5086599A - Method of removing sulfate and/or metal ions from waters or wastewaters - Google Patents

Method of removing sulfate and/or metal ions from waters or wastewaters

Info

Publication number
AU5086599A
AU5086599A AU50865/99A AU5086599A AU5086599A AU 5086599 A AU5086599 A AU 5086599A AU 50865/99 A AU50865/99 A AU 50865/99A AU 5086599 A AU5086599 A AU 5086599A AU 5086599 A AU5086599 A AU 5086599A
Authority
AU
Australia
Prior art keywords
wastewaters
waters
metal ions
removing sulfate
sulfate
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.)
Abandoned
Application number
AU50865/99A
Inventor
Dennis H Green
Jeff Meuller
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.)
HW Process Technologies Inc
Original Assignee
HW Process Technologies 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 HW Process Technologies Inc filed Critical HW Process Technologies Inc
Publication of AU5086599A publication Critical patent/AU5086599A/en
Abandoned legal-status Critical Current

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
    • 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
    • B01D61/58—Multistep processes
    • 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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • 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
    • B01D61/147—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
    • C02F1/44—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
    • 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
    • C02F1/444—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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
AU50865/99A 1998-06-29 1999-06-29 Method of removing sulfate and/or metal ions from waters or wastewaters Abandoned AU5086599A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US9112398P 1998-06-29 1998-06-29
US60091123 1998-06-29
US10805798P 1998-11-12 1998-11-12
US60108057 1998-11-12
PCT/US1999/014809 WO2000000273A1 (en) 1998-06-29 1999-06-29 Method of removing sulfate and/or metal ions from waters or wastewaters

Publications (1)

Publication Number Publication Date
AU5086599A true AU5086599A (en) 2000-01-17

Family

ID=26783618

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50865/99A Abandoned AU5086599A (en) 1998-06-29 1999-06-29 Method of removing sulfate and/or metal ions from waters or wastewaters

Country Status (2)

Country Link
AU (1) AU5086599A (en)
WO (1) WO2000000273A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10317683A1 (en) * 2003-04-17 2004-11-11 Wave Gmbh Assembly to give clean drinking water, e.g. from a well and the like, has a nano filtration stage where the concentrate passes through phosphate precipitation before discharge directly into a body of water
WO2010033674A1 (en) * 2008-09-17 2010-03-25 Siemens Water Technologies Corp. High recovery sulfate removal process
GB0906841D0 (en) * 2009-04-21 2009-06-03 Aljohani Mohammed S Nanofiltration process
WO2011021148A1 (en) * 2009-08-17 2011-02-24 Tshwane University Of Technology Treatment of water
CN104118961B (en) 2013-04-26 2016-12-28 玉米产品开发股份有限公司 Sodium sulfate is removed from the waste water after biological treatment
AU2014306078B2 (en) 2013-08-05 2018-10-18 Gradiant Corporation Water treatment systems and associated methods
CN105683095B (en) 2013-09-23 2019-09-17 格雷迪安特公司 Desalination system and correlation technique
US10131552B2 (en) 2015-01-06 2018-11-20 Amperage Energy Inc. Ion exchange system for removing sulfate ions from water
US10167218B2 (en) 2015-02-11 2019-01-01 Gradiant Corporation Production of ultra-high-density brines
US10308526B2 (en) 2015-02-11 2019-06-04 Gradiant Corporation Methods and systems for producing treated brines for desalination
AU2016298326B2 (en) 2015-07-29 2022-08-04 Gradiant Corporation Osmotic desalination methods and associated systems
US10301198B2 (en) 2015-08-14 2019-05-28 Gradiant Corporation Selective retention of multivalent ions
US10245555B2 (en) 2015-08-14 2019-04-02 Gradiant Corporation Production of multivalent ion-rich process streams using multi-stage osmotic separation
WO2017147113A1 (en) 2016-02-22 2017-08-31 Gradiant Corporation Hybrid desalination systems and associated methods
CN108751480A (en) * 2018-07-04 2018-11-06 广东益诺欧环保股份有限公司 A kind of method and system of the industrial high-salt wastewater of processing
WO2020041542A1 (en) 2018-08-22 2020-02-27 Gradiant Corporation Liquid solution concentration system comprising isolated subsystem and related methods
EP4247522A1 (en) 2020-11-17 2023-09-27 Gradiant Corporation Osmotic methods and systems involving energy recovery
CN112939287A (en) * 2021-03-25 2021-06-11 四川恩特普环保科技有限公司 Sulfuric acid production wastewater treatment method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2914145C3 (en) * 1979-04-07 1982-02-04 Hager & Elsässer GmbH, 7000 Stuttgart Process for reducing the demand for process water and the amount of wastewater from thermal power plants
US5403490A (en) * 1992-11-23 1995-04-04 Desai; Satish Process and apparatus for removing solutes from solutions
US5501798A (en) * 1994-04-06 1996-03-26 Zenon Environmental, Inc. Microfiltration enhanced reverse osmosis for water treatment
US5587083A (en) * 1995-04-17 1996-12-24 Chemetics International Company Ltd. Nanofiltration of concentrated aqueous salt solutions
NO303324B1 (en) * 1996-11-13 1998-06-29 Norsk Hydro As Procedure for Removing Sulfate from Concentrated MgCl2 Solutions

Also Published As

Publication number Publication date
WO2000000273A1 (en) 2000-01-06

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase