ZA962807B - Nanofiltration of concentrated aqueous salt solutions - Google Patents

Nanofiltration of concentrated aqueous salt solutions

Info

Publication number
ZA962807B
ZA962807B ZA962807A ZA962807A ZA962807B ZA 962807 B ZA962807 B ZA 962807B ZA 962807 A ZA962807 A ZA 962807A ZA 962807 A ZA962807 A ZA 962807A ZA 962807 B ZA962807 B ZA 962807B
Authority
ZA
South Africa
Prior art keywords
nanofiltration
concentrated aqueous
salt solutions
aqueous salt
solutions
Prior art date
Application number
ZA962807A
Other languages
English (en)
Inventor
Zbigniew Twardowski
Original Assignee
Chemetics Int
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23677016&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA962807(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Chemetics Int filed Critical Chemetics Int
Publication of ZA962807B publication Critical patent/ZA962807B/xx

Links

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
    • 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
    • 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
    • C01D3/14—Purification
    • 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
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
ZA962807A 1995-04-17 1996-04-09 Nanofiltration of concentrated aqueous salt solutions ZA962807B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/422,935 US5587083A (en) 1995-04-17 1995-04-17 Nanofiltration of concentrated aqueous salt solutions

Publications (1)

Publication Number Publication Date
ZA962807B true ZA962807B (en) 1996-10-11

Family

ID=23677016

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA962807A ZA962807B (en) 1995-04-17 1996-04-09 Nanofiltration of concentrated aqueous salt solutions

Country Status (13)

Country Link
US (2) US5587083A (fr)
EP (1) EP0821615B2 (fr)
JP (1) JP3256545B2 (fr)
KR (1) KR100385465B1 (fr)
CN (1) CN1111081C (fr)
AU (1) AU691415B2 (fr)
BR (1) BR9608054A (fr)
CA (1) CA2163480C (fr)
DE (1) DE69614516T3 (fr)
NZ (1) NZ304801A (fr)
TW (1) TW343157B (fr)
WO (1) WO1996033005A1 (fr)
ZA (1) ZA962807B (fr)

Families Citing this family (115)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5587083A (en) * 1995-04-17 1996-12-24 Chemetics International Company Ltd. Nanofiltration of concentrated aqueous salt solutions
NO303324B1 (no) * 1996-11-13 1998-06-29 Norsk Hydro As FremgangsmÕte for Õ fjerne sulfat fra konsentrerte MgCl2 l÷sninger
DE19703086A1 (de) * 1997-01-29 1998-07-30 Henkel Ecolab Gmbh & Co Ohg Verfahren zum Waschen von Wäsche
DE19710563C2 (de) 1997-03-14 2003-10-02 Daimler Chrysler Ag Verfahren und Vorrichtung zum Betreiben von Aluminium-Fräsbädern
US6045588A (en) * 1997-04-29 2000-04-04 Whirlpool Corporation Non-aqueous washing apparatus and method
US7534304B2 (en) * 1997-04-29 2009-05-19 Whirlpool Corporation Non-aqueous washing machine and methods
US5961833A (en) * 1997-06-09 1999-10-05 Hw Process Technologies, Inc. Method for separating and isolating gold from copper in a gold processing system
GB2341602A (en) 1997-06-09 2000-03-22 Hw Process Technologies Inc Method for separating and isolating precious metals from non precious metals dissolved in solutions
AU8247198A (en) * 1997-06-23 1999-01-04 Pacific Lithium Limited Lithium recovery and purification
US6508936B1 (en) * 1997-10-01 2003-01-21 Saline Water Conversion Corporation Process for desalination of saline water, especially water, having increased product yield and quality
US5945000A (en) * 1998-01-02 1999-08-31 J. R. Simplot Company Methods of purifying phosphoric acid
US6193882B1 (en) 1998-06-15 2001-02-27 Rswc Inc. Pressurized brining system
US6241892B1 (en) * 1998-06-29 2001-06-05 Nm Tech Research Foundation Method of reducing the contamination level of a solvent purification system, and such solvent purification system
AU5086599A (en) * 1998-06-29 2000-01-17 Hw Process Technologies, Inc. Method of removing sulfate and/or metal ions from waters or wastewaters
US8192633B2 (en) * 1998-07-06 2012-06-05 Grott Gerald J Methods of energy storage and transfer
US7717173B2 (en) * 1998-07-06 2010-05-18 Ecycling, LLC Methods of improving oil or gas production with recycled, increased sodium water
GB9815173D0 (en) 1998-07-13 1998-09-09 Nat Power Plc Process for the removal of sulphate ions
US6004464A (en) * 1998-07-14 1999-12-21 Desalination Systems, Inc. Spent brine reclamation
WO2000050341A1 (fr) * 1999-02-23 2000-08-31 Hw Process Technologies, Inc. Procede de concentration d'acide faisant suite a une regeneration oxydante biologique d'acide sulfurique a partir de sulfures
DE19932955A1 (de) * 1999-07-14 2001-01-25 Salinen Austria Ges M B H Bad Verfahren zur Aufbereitung von Salzsole und Alkalihalogenide, erhalten aus einem Verfahren zur Aufbereitung von Salzsole
US6383392B1 (en) * 1999-11-16 2002-05-07 Roche Vitamins, Inc. Process for concentrating epigallocatechin gallate
US6955222B2 (en) * 2000-08-07 2005-10-18 Ge Osmonics, Inc. Method for secondary oil recovery
BR0003677A (pt) * 2000-08-07 2002-03-26 Osmonics Inc Método de recuperação secundária de petróleo
AUPR226000A0 (en) * 2000-12-22 2001-01-25 Queensland Alumina Limited Contaminant removal process
DE10130136A1 (de) 2001-06-22 2003-01-02 Basf Ag Verfahren zur Gewinnung von N-Phosphonomethylglycin
US20030015470A1 (en) * 2001-07-20 2003-01-23 Muralidhara Harapanahalli S. Nanofiltration water-softening apparatus and method
US7077968B2 (en) * 2002-03-08 2006-07-18 Drm, Dr. Mueller Ag Method for continuously filtering raw brine for use in chlor-alkali electrolysis
US7144511B2 (en) 2002-05-02 2006-12-05 City Of Long Beach Two stage nanofiltration seawater desalination system
EP2070583B1 (fr) * 2002-08-02 2012-07-04 University Of South Carolina Production d eau purifiée et de produits chimiques et de grande valeur à partir d eau salée
DE10261419A1 (de) * 2002-12-30 2004-07-15 Saehan Industries Incorporation, Kyungsangbuk Haushaltswasserreinigungsvorrichtung auf Nanofiltrationsmembranbasis ohne Speicherbehälter
US20050016922A1 (en) * 2003-03-24 2005-01-27 Enzweiler Ronald J. Preferential precipitation membrane system and method
CN100408705C (zh) * 2003-04-30 2008-08-06 中国科学院青海盐湖研究所 纳滤法从盐湖卤水中分离镁和富集锂的方法
US20050222002A1 (en) * 2003-10-31 2005-10-06 Luckman Joel A Method for a semi-aqueous wash process
US7739891B2 (en) * 2003-10-31 2010-06-22 Whirlpool Corporation Fabric laundering apparatus adapted for using a select rinse fluid
US7695524B2 (en) * 2003-10-31 2010-04-13 Whirlpool Corporation Non-aqueous washing machine and methods
US20050091755A1 (en) * 2003-10-31 2005-05-05 Conrad Daniel C. Non-aqueous washing machine & methods
US20050150059A1 (en) * 2003-10-31 2005-07-14 Luckman Joel A. Non-aqueous washing apparatus and method
US20050096243A1 (en) * 2003-10-31 2005-05-05 Luckman Joel A. Fabric laundering using a select rinse fluid and wash fluids
US20050096242A1 (en) * 2003-10-31 2005-05-05 Luckman Joel A. Method for laundering fabric with a non-aqueous working fluid using a select rinse fluid
US7513004B2 (en) * 2003-10-31 2009-04-07 Whirlpool Corporation Method for fluid recovery in a semi-aqueous wash process
US7314606B2 (en) * 2004-03-29 2008-01-01 Council Of Scientific And Industrial Research Recovery of sodium thiocyanate from industrial process solution using nanofiltration technique
US20050224099A1 (en) * 2004-04-13 2005-10-13 Luckman Joel A Method and apparatus for cleaning objects in an automatic cleaning appliance using an oxidizing agent
WO2005106105A1 (fr) 2004-04-29 2005-11-10 Unilever N.V. Procede de nettoyage a sec
US7698928B2 (en) * 2004-08-31 2010-04-20 Dow Global Technologies, Inc. Method for testing separation modules
ES2382091T3 (es) * 2004-09-13 2012-06-05 University Of South Carolina Procedimiento de desalinización de agua y aparato para el mismo
ES2336812T3 (es) * 2004-10-22 2010-04-16 Akzo Nobel N.V. Metodo para crstalizar sales solubles de aniones divalentes a partir de salmuera.
CA2598480C (fr) 2005-02-18 2013-08-06 Akzo Nobel N.V. Procede d'elaboration de composes contenant du chlore
DE602006005140D1 (de) * 2005-02-18 2009-03-26 Akzo Nobel Nv Verfahren zur herstellung von salz
US7966684B2 (en) * 2005-05-23 2011-06-28 Whirlpool Corporation Methods and apparatus to accelerate the drying of aqueous working fluids
JP2009501080A (ja) * 2005-07-12 2009-01-15 カーギル・インコーポレイテッド 延長された寿命の水軟化システム、装置および方法
ES2299317A1 (es) * 2005-11-08 2008-05-16 Corporacion Alimentaria Peñasanta, S.A. Procedimiento para la recuperacion de detergentes alcalinos de fase unica utilizados en instalaciones industriales de limpieza in situ.
ATE433428T1 (de) 2006-01-12 2009-06-15 Esco Europ Salt Company Gmbh & Verfahren zur behandlung von salzsole
EP2129747A1 (fr) * 2007-03-27 2009-12-09 Shell Internationale Research Maatschappij B.V. Procédé pour réduire la teneur en mercure d'un condensat de gaz naturel et usine de traitement de gaz naturel
US20090101587A1 (en) 2007-10-22 2009-04-23 Peter Blokker Method of inhibiting scale formation and deposition in desalination systems
US20100239467A1 (en) 2008-06-17 2010-09-23 Brent Constantz Methods and systems for utilizing waste sources of metal oxides
WO2009102442A1 (fr) * 2008-02-11 2009-08-20 Siemens Water Technologies Corp. Desalinisation d’une eau à teneur élevée en silice
FR2930541B1 (fr) * 2008-04-29 2010-05-21 Solvay Procede d'epuration de solutions aqueuses
JP5373079B2 (ja) 2008-07-16 2013-12-18 カレラ コーポレイション 電気化学システム中でのｃｏ２の利用
US20100051556A1 (en) * 2008-08-29 2010-03-04 Grott Gerald J Methods of purifiying water using waste brines to regenerate ion-exchange resins
US8869477B2 (en) 2008-09-30 2014-10-28 Calera Corporation Formed building materials
US20100147767A1 (en) * 2008-12-15 2010-06-17 Grott Gerald J Method for purifying waste saline waters without reagent waste
CN105289305B (zh) 2009-01-13 2018-03-30 Ams技术Int（2012）有限公司 用于将金属离子与液体加工流分离的溶剂和酸稳定膜、装置和方法
JP5580837B2 (ja) 2009-01-29 2014-08-27 プリンストン ユニバーシティー 二酸化炭素の有機生成物への変換
WO2010093716A1 (fr) 2009-02-10 2010-08-19 Calera Corporation Production à basse tension d'agents alcalins au moyen d'hydrogène et d'électrodes électrocatalytiques
WO2010101953A1 (fr) 2009-03-02 2010-09-10 Calera Corporation Systèmes et procédés d'élimination de multi-polluants de courants gazeux
US7993511B2 (en) * 2009-07-15 2011-08-09 Calera Corporation Electrochemical production of an alkaline solution using CO2
WO2011097468A2 (fr) * 2010-02-05 2011-08-11 Calera Corporation Séparation d'acide par rétention d'acide sur une résine échangeuse d'ions dans un système électrochimique
WO2011102848A1 (fr) * 2010-02-17 2011-08-25 Katana Energy Llc Installation de dessalement de l'eau de mer sans rejets comprenant l'extraction de minéraux intégrée à la production d'une énergie à cycle combiné au gaz naturel
US8500987B2 (en) * 2010-03-19 2013-08-06 Liquid Light, Inc. Purification of carbon dioxide from a mixture of gases
US8845877B2 (en) 2010-03-19 2014-09-30 Liquid Light, Inc. Heterocycle catalyzed electrochemical process
US8721866B2 (en) * 2010-03-19 2014-05-13 Liquid Light, Inc. Electrochemical production of synthesis gas from carbon dioxide
US10526224B2 (en) 2010-06-02 2020-01-07 Hl Seawater Holdings, Llc Desalination intake system with net positive impact on habitat
US8524066B2 (en) 2010-07-29 2013-09-03 Liquid Light, Inc. Electrochemical production of urea from NOx and carbon dioxide
US8845878B2 (en) 2010-07-29 2014-09-30 Liquid Light, Inc. Reducing carbon dioxide to products
US8568581B2 (en) 2010-11-30 2013-10-29 Liquid Light, Inc. Heterocycle catalyzed carbonylation and hydroformylation with carbon dioxide
US8961774B2 (en) 2010-11-30 2015-02-24 Liquid Light, Inc. Electrochemical production of butanol from carbon dioxide and water
AR084006A1 (es) * 2010-12-01 2013-04-17 Toray Industries Procedimiento para la separacion y recuperacion de una sal de metal alcalino purificada
US9090976B2 (en) 2010-12-30 2015-07-28 The Trustees Of Princeton University Advanced aromatic amine heterocyclic catalysts for carbon dioxide reduction
CN102153113B (zh) * 2011-03-01 2014-11-05 中国中轻国际工程有限公司 芒硝型卤水联产碳酸钠、氯化钠、硫酸钠、氯化铵工艺
US8480905B2 (en) * 2011-03-03 2013-07-09 Jr-Jung Iang Method and system for recycling and treating dyeing wastewater
US8562811B2 (en) 2011-03-09 2013-10-22 Liquid Light, Inc. Process for making formic acid
CN103649374A (zh) 2011-07-06 2014-03-19 液体光有限公司 二氧化碳还原生成羧酸、乙二醇和羧酸盐
CA2839004A1 (fr) 2011-07-06 2013-01-10 Liquid Light, Inc. Captage de dioxyde de carbone et conversion en produits organiques
US8999171B2 (en) 2011-07-18 2015-04-07 Hl Seawater Holdings, Llc Membrane and electrodialysis based seawater desalination with salt, boron and gypsum recovery
WO2013131183A1 (fr) * 2012-03-07 2013-09-12 Chemetics Inc. Procédé de nanofiltration permettant d'améliorer la récupération de la saumure et l'élimination des sulfates
US9856154B2 (en) * 2012-03-27 2018-01-02 Toray Industries, Inc. Fresh water generation method
WO2013146391A1 (fr) * 2012-03-30 2013-10-03 東レ株式会社 Procédé de séparation et de récupération d'un métal alcalin et appareil de séparation et de récupération d'un métal alcalin
CN102806013A (zh) * 2012-05-04 2012-12-05 北京化工大学 纳滤膜装置用于纯碱生产中废液脱盐的方法
CA2878336A1 (fr) * 2012-07-13 2014-01-16 Chemetics Inc. Procede de nanofiltration pour l'elimination d'impuretes
US9737827B2 (en) 2012-08-13 2017-08-22 Enviro Water Minerals Company, Inc. System for removing high purity salt from a brine
WO2014028465A1 (fr) * 2012-08-13 2014-02-20 Enviro Water Minerals Company, Inc. Système d'élimination de minéraux d'une saumure par électrodialyse
US10105653B2 (en) 2012-08-13 2018-10-23 Enviro Water Minerals Company, Inc. System for rinsing electrodialysis electrodes
US10189733B2 (en) 2012-08-13 2019-01-29 Enviro Water Minerals Company, Inc. Heating system for desalination
US9259703B2 (en) 2012-08-13 2016-02-16 Enviro Water Minerals Company, Inc. System for removing selenium from a feed stream
US9217108B2 (en) 2012-08-13 2015-12-22 Enviro Water Minerals Company, Inc. System and method for producing a gypsum slurry for irrigation
CN102976409B (zh) * 2012-12-04 2015-05-13 北京化工大学 氯酸盐生产中重铬酸钠的回收利用的工艺
US20140290484A1 (en) * 2013-03-27 2014-10-02 Cameron Solutions, Inc. System and Method For Treating A Saline Feed Stream To An Electro-Chlorination Unit
US10370275B2 (en) 2013-11-25 2019-08-06 Enviro Water Minerals Company, Inc. System for removing minerals from a brine
CN103754828A (zh) * 2013-12-23 2014-04-30 内蒙古工业大学 一种重铬酸钠闭路循环制备氯酸钠的清洁生产方法
CN105013325B (zh) * 2014-04-22 2019-01-18 佛山市三水三角洲化工有限公司 纳滤膜高通量高截留率地分离高浓度混盐的方法
GB2526294B (en) * 2014-05-19 2017-05-10 Tenova Advanced Tech Ltd Selective separation process
CN104628186B (zh) * 2015-01-30 2016-04-20 西安聚方环境科技有限公司 一种废水零排放工艺中钠离子交换器再生废液的处理方法及循环利用系统
WO2017148507A1 (fr) * 2016-03-01 2017-09-08 Siemens Aktiengesellschaft Technique d'activation d'électrode à base de soufre pour un électrolyseur
CN106185996B (zh) * 2016-07-01 2018-01-26 神华集团有限责任公司 一种制盐方法和制盐系统
US10400198B2 (en) 2016-08-25 2019-09-03 Eagle Us 2 Llc Method of sanitizing a surface
US11203542B2 (en) 2017-05-11 2021-12-21 Bl Technologies, Inc. Method for softening lithium brine using nanofiltration
CN108468065B (zh) * 2018-05-14 2022-07-12 湖南恒光科技股份有限公司 一种氯酸钠和氯碱联合脱硝工艺
CN110040866A (zh) * 2018-05-28 2019-07-23 内蒙古久科康瑞环保科技有限公司 高含盐工业废水沉淀分盐零排放方法及系统
CN111153538B (zh) * 2019-04-02 2023-10-31 内蒙古晶泰环境科技有限责任公司 可保证盐硝联产稳定运行的高盐废水处理系统及其工艺
CN110745845A (zh) * 2019-11-05 2020-02-04 高翔 一种焦炉烟气脱硫副产物脱硫灰的回收方法
CN111547916A (zh) * 2020-04-08 2020-08-18 苏州乔发盐化工设备科技有限公司 一种富硝废水的盐硝分盐方法
CN112408432A (zh) * 2020-11-27 2021-02-26 江苏扬农化工集团有限公司 一种芳香化合物硝化废水中混合盐分离提纯的方法
CN113754137A (zh) * 2021-10-27 2021-12-07 北京鑫佰利科技发展有限公司 一种用于盐湖提锂的卤水精制方法和装置
US12054409B2 (en) * 2021-12-30 2024-08-06 Saudi Arabian Oil Company Method to treat nano-filtration membrane retentate for reuse in fracturing and drilling applications
DE102022120661A1 (de) 2022-08-16 2024-02-22 K+S Aktiengesellschaft Verfahren und Vorrichtung zur Auftrennung hochkonzentrierter Salzlösungen

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083781A (en) * 1976-07-12 1978-04-11 Stone & Webster Engineering Corporation Desalination process system and by-product recovery
US4636376A (en) * 1985-09-30 1987-01-13 Ppg Industries, Inc. Sulfate removal from alkali metal chlorate solutions
JPH0613117B2 (ja) * 1986-02-03 1994-02-23 日立プラント建設株式会社 塩類、シリカ及び有機物を含有する廃水の処理方法
US4702805A (en) * 1986-03-27 1987-10-27 C-I-L Inc. Production of sodium chlorate
DE3623796A1 (de) * 1986-07-15 1988-01-28 Dow Chemical Rheinwerk Gmbh Vorrichtung und adsorptionsverfahren zur selektiven entfernung von ionen aus fluessigkeiten
US4723603A (en) * 1987-02-03 1988-02-09 Marathon Oil Company Preventing plugging by insoluble salts in a hydrocarbon-bearing formation and associated production wells
US4872991A (en) * 1988-07-05 1989-10-10 Texaco Inc. Treatment of water
US5028336A (en) * 1989-03-03 1991-07-02 Texaco Inc. Separation of water-soluble organic electrolytes
US4981594A (en) * 1990-04-26 1991-01-01 Wastewater Resources Inc. Waste water purification system
US5158683A (en) * 1991-09-03 1992-10-27 Ethyl Corporation Bromide separation and concentration using semipermeable membranes
US5346627A (en) * 1992-03-03 1994-09-13 Nalco Chemical Company Method for removing metals from a fluid stream
US5268104A (en) * 1992-07-09 1993-12-07 Stone & Webster Engineering, Corp. Process for treating and regenerating spent caustic
US5254257A (en) * 1993-01-19 1993-10-19 Culligan International Company Reclaiming of spent brine
US5476591A (en) * 1993-05-25 1995-12-19 Harrison Western Environmental Services, Inc. Liquid treatment system and method for operating the same
US5310486A (en) * 1993-05-25 1994-05-10 Harrison Western Environmental Services, Inc. Multi-stage water treatment system and method for operating the same
US5547579A (en) * 1995-01-20 1996-08-20 Eco-Tec Limited Process and apparatus for purification of contaminated acids
US5587083A (en) * 1995-04-17 1996-12-24 Chemetics International Company Ltd. Nanofiltration of concentrated aqueous salt solutions

Also Published As

Publication number Publication date
AU5267096A (en) 1996-11-07
KR100385465B1 (ko) 2003-08-19
CA2163480C (fr) 1999-11-16
AU691415B2 (en) 1998-05-14
CN1180322A (zh) 1998-04-29
TW343157B (en) 1998-10-21
KR19990007852A (ko) 1999-01-25
DE69614516T3 (de) 2006-11-30
JP3256545B2 (ja) 2002-02-12
NZ304801A (en) 1998-12-23
DE69614516T2 (de) 2002-05-08
BR9608054A (pt) 1999-11-30
CA2163480A1 (fr) 1996-10-18
WO1996033005A1 (fr) 1996-10-24
US5858240A (en) 1999-01-12
EP0821615B2 (fr) 2006-04-26
CN1111081C (zh) 2003-06-11
EP0821615A1 (fr) 1998-02-04
US5587083A (en) 1996-12-24
DE69614516D1 (de) 2001-09-20
EP0821615B1 (fr) 2001-08-16
JPH11504564A (ja) 1999-04-27

Similar Documents

Publication Publication Date Title
ZA962807B (en) Nanofiltration of concentrated aqueous salt solutions
AU9168298A (en) Aqueous solutions of salicylic acid derivatives
ZA965909B (en) Concentrated aqueous degreasing cleanser
PL313655A1 (en) Interferon aqueous solution
HRP960599B1 (en) Preparation of aqueous solutions of free hydroxylamine
GB2316091B (en) Electrolytic treatment of aqueous salt solutions
EE9700009A (et) Risperidooni vesilahuselised ravimvormid
AU4543493A (en) Non-alcoholic aqueous mouthwash
NO931495D0 (no) Vandige saltopploesninger
ZA915024B (en) Purification of aqueous liquor
EP0563747A3 (en) Process for the preparation of aqueous betaine solutions
ZA964947B (en) Treatment of aqueous systems using a chemically mod tannin
AU1911095A (en) Aqueous indolocarbazole solutions
AU1566195A (en) Purification of metal working aqueous rinse solutions
AU3615893A (en) Treatment for sanitizing aqueous solutions
EE9500062A (et) Formaldehüüdi vesilahuse valmistamise pidev protsess
ZA917912B (en) Concentrated aqueous solutions of anionic disazo deys
AU4308897A (en) Electrolytic treatment of aqueous salt solutions
AU2267092A (en) Detoxification of aqueous cyanide solutions
EP0636604A3 (fr) Procédé pour la préparation de solutions aqueuses de Bis-aminooxy-alcane pratiquement dépourvues de sels.
HUP9601407A3 (en) Stabilisation for aqueous 3-iso-thiazolone solutions
AU1932795A (en) Purification of aqueous alkali metal chlorate solutions
AU7762494A (en) Purification of aqueous solutions
GB9507895D0 (en) Aqueous purification processes
ZA948102B (en) Purification of aqueous solutions