DE69836865D1 - Verfahren mit verbesserter produktausbeute und -qualität zur entsalzung von meerwasser - Google Patents

Verfahren mit verbesserter produktausbeute und -qualität zur entsalzung von meerwasser

Info

Publication number
DE69836865D1
DE69836865D1 DE69836865T DE69836865T DE69836865D1 DE 69836865 D1 DE69836865 D1 DE 69836865D1 DE 69836865 T DE69836865 T DE 69836865T DE 69836865 T DE69836865 T DE 69836865T DE 69836865 D1 DE69836865 D1 DE 69836865D1
Authority
DE
Germany
Prior art keywords
desalination
seawater
quality
product life
improved product
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.)
Expired - Lifetime
Application number
DE69836865T
Other languages
English (en)
Inventor
M Hassan
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.)
SALINE WATER CONVERSION CORP
Saline Water Conversion Corp Saudi Arabia
Original Assignee
SALINE WATER CONVERSION CORP
Saline Water Conversion Corp Saudi Arabia
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 SALINE WATER CONVERSION CORP, Saline Water Conversion Corp Saudi Arabia filed Critical SALINE WATER CONVERSION CORP
Application granted granted Critical
Publication of DE69836865D1 publication Critical patent/DE69836865D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation
    • B01D3/065—Multiple-effect flash distillation (more than two traps)
    • 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
    • B01D61/029—Multistep processes comprising different kinds of membrane processes selected from reverse osmosis, hyperfiltration or 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
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • 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
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/041—Treatment of water, waste water, or sewage by heating by distillation or evaporation by means of vapour compression
    • 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
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/06—Flash evaporation
    • 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
    • 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
    • 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

  • 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)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
DE69836865T 1997-10-01 1998-09-25 Verfahren mit verbesserter produktausbeute und -qualität zur entsalzung von meerwasser Expired - Lifetime DE69836865D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/941,827 US6508936B1 (en) 1997-10-01 1997-10-01 Process for desalination of saline water, especially water, having increased product yield and quality
PCT/US1998/020213 WO1999016714A1 (en) 1997-10-01 1998-09-25 Process for desalination of saline water, especially sea water, having increased product yield and quality

Publications (1)

Publication Number Publication Date
DE69836865D1 true DE69836865D1 (de) 2007-02-22

Family

ID=25477135

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69836865T Expired - Lifetime DE69836865D1 (de) 1997-10-01 1998-09-25 Verfahren mit verbesserter produktausbeute und -qualität zur entsalzung von meerwasser

Country Status (7)

Country Link
US (1) US6508936B1 (de)
EP (1) EP1019325B1 (de)
AU (1) AU9584998A (de)
CY (1) CY1106496T1 (de)
DE (1) DE69836865D1 (de)
ES (1) ES2281140T3 (de)
WO (1) WO1999016714A1 (de)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL147905A (en) * 1999-08-20 2005-07-25 L E T Leading Edge Technologie Salt water desalination process using ion selective membranes
US6783682B1 (en) * 1999-08-20 2004-08-31 L.E.T., Leading Edge Technologies Limited Salt water desalination process using ion selective membranes
EP1354855A3 (de) * 1999-08-20 2005-01-19 L.E.T. Leading Edge Technologies Limited Verfahren zur Entsalzung von Salzwasser unter Verwendung ionenselektiver Membranen
US6946081B2 (en) * 2001-12-31 2005-09-20 Poseidon Resources Corporation Desalination system
SE0200135D0 (sv) * 2002-01-18 2002-01-18 Curt Lindhe Konsult Och Foerva Nytt system
EP1329425A1 (de) * 2002-01-18 2003-07-23 Toray Industries, Inc. Entsalzungsverfahren und -vorrichtung
US20030155243A1 (en) * 2002-02-21 2003-08-21 Eet Corporation Multi-path split cell spacer and electrodialysis stack design
US7144511B2 (en) * 2002-05-02 2006-12-05 City Of Long Beach Two stage nanofiltration seawater desalination system
AU2006252216B2 (en) * 2002-05-02 2010-05-27 City Of Long Beach Two stage nanofiltration seawater desalination system
US20030230531A1 (en) * 2002-06-13 2003-12-18 Hydranautics And Nitto Denko Corporation Method for reducing boron concentration in high salinity liquid
WO2003106348A1 (en) * 2002-06-01 2003-12-24 Hydranautics Methods for reducing boron concentration in high salinity liquid
EP2070583B1 (de) * 2002-08-02 2012-07-04 University Of South Carolina Gewinnung von gereinigtem Wasser und hochwertigen Chemikalien aus Salzwasser
TW200420506A (en) * 2003-02-14 2004-10-16 Dainichiseika Color Chem Method of desalting
US20050016922A1 (en) * 2003-03-24 2005-01-27 Enzweiler Ronald J. Preferential precipitation membrane system and method
US7097852B1 (en) * 2003-05-09 2006-08-29 Soto Jose A Solution comprising sea water as expectorant and virucidal for the treatment of respiratory diseases and method to use and develop
US20040007451A1 (en) * 2003-06-25 2004-01-15 Northrup Lynn L. Energy efficient evaporation system
GB0317839D0 (en) * 2003-07-30 2003-09-03 Univ Surrey Solvent removal process
US7198722B2 (en) * 2003-11-11 2007-04-03 Mohammed Azam Hussain Process for pre-treating and desalinating sea water
WO2005053824A2 (en) 2003-12-07 2005-06-16 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
US7132052B2 (en) * 2003-12-11 2006-11-07 General Electric Company System for the purification and reuse of spent brine in a water softener
WO2005082497A1 (en) * 2004-02-25 2005-09-09 Dow Global Technologies, Inc. Apparatus for treating solutions of high osmotic strength
FR2867771B1 (fr) * 2004-03-18 2006-07-21 Int De Dessalement Soc Procede et installation de dessalement d'eau de mer par distillation a effets multiples et thermocompression de vapeur fonctionnant avec differentes pressions de vapeur motrice
GB2417435A (en) * 2004-08-27 2006-03-01 O H D L Optimized Hybrid Desal MSF desalination system
ATE550090T1 (de) * 2004-09-13 2012-04-15 Univ South Carolina Wasserentsalzungsverfahren und -vorrichtung
US20060157410A1 (en) * 2005-01-14 2006-07-20 Saline Water Conversion Corporation (Swcc) Fully integrated NF-thermal seawater desalination process and equipment
US20060157409A1 (en) * 2005-01-14 2006-07-20 Saline Water Conversion Corporation (Swcc) Optimal high recovery, energy efficient dual fully integrated nanofiltration seawater reverse osmosis desalination process and equipment
US20060219613A1 (en) * 2005-04-01 2006-10-05 Scheu Richard W Water purification system and method
WO2007003013A1 (en) * 2005-07-05 2007-01-11 Greensols Australia Pty Ltd Preparation and use of cationic halides, sequestration of carbon dioxide
TW200706499A (en) * 2005-07-12 2007-02-16 Cargill Inc Extended-life water softening system, apparatus and method
WO2007132477A1 (en) * 2006-05-11 2007-11-22 Raman Ahilan A pretreatment process for the saline water feeds of desalination plants
US10252923B2 (en) 2006-06-13 2019-04-09 Evoqua Water Technologies Llc Method and system for water treatment
US10213744B2 (en) 2006-06-13 2019-02-26 Evoqua Water Technologies Llc Method and system for water treatment
US8114259B2 (en) * 2006-06-13 2012-02-14 Siemens Industry, Inc. Method and system for providing potable water
US8277627B2 (en) 2006-06-13 2012-10-02 Siemens Industry, Inc. Method and system for irrigation
US20080067069A1 (en) 2006-06-22 2008-03-20 Siemens Water Technologies Corp. Low scale potential water treatment
US7820024B2 (en) 2006-06-23 2010-10-26 Siemens Water Technologies Corp. Electrically-driven separation apparatus
US8119008B2 (en) * 2006-07-10 2012-02-21 Christopher Heiss Fluid purification methods and devices
US20080029456A1 (en) * 2006-08-03 2008-02-07 Southwest Turf Solutions, Inc. Method and apparatus for removing minerals from a water source
US7744760B2 (en) 2006-09-20 2010-06-29 Siemens Water Technologies Corp. Method and apparatus for desalination
GB2443802A (en) * 2006-11-08 2008-05-21 L E T Leading Edge Technologie Thermal desalination plant integrated upgrading process and apparatus
US20080164206A1 (en) * 2007-01-10 2008-07-10 Southwest Turf Solutions, Inc. Method and apparatus for removing minerals from a water source
DE102007019347B3 (de) * 2007-04-23 2008-08-21 Melin, Thomas, Prof.Dr.-Ing. Verfahren zur Entsalzung von Meerwasser
CA2725577C (en) * 2007-06-25 2017-01-17 Houghton Technical Corp. Recovery by vapor recompression of industrial process fluid components
US20090101587A1 (en) 2007-10-22 2009-04-23 Peter Blokker Method of inhibiting scale formation and deposition in desalination systems
EP2222899A2 (de) 2007-11-30 2010-09-01 Siemens Water Technologies Corp. Systeme und verfahren zur wasseraufbereitung
AU2009232342A1 (en) * 2008-04-03 2009-10-08 Evoqua Water Technologies Llc Low energy system and method of desalinating seawater
US8158405B2 (en) * 2008-06-30 2012-04-17 General Electric Company Process for concentrating and processing fluid samples
US8546127B2 (en) * 2008-06-30 2013-10-01 General Electric Company Bacteria/RNA extraction device
AU2008261116B2 (en) * 2008-09-30 2013-02-07 Central Gippsland Region Water Corporation Process and plant for treating a water stream
WO2010124170A2 (en) * 2009-04-23 2010-10-28 John Scialdone Deep water desalination system and method
US8696908B2 (en) * 2009-05-13 2014-04-15 Poseidon Resources Ip Llc Desalination system and method of wastewater treatment
US20110036775A1 (en) * 2009-08-13 2011-02-17 Board Of Regents, The University Of Texas System Sea water reverse osmosis system to reduce concentrate volume prior to disposal
US10005681B2 (en) 2009-08-13 2018-06-26 The Board Of Regents Of The University Of Texas System Sea water reverse osmosis system to reduce concentrate volume prior to disposal
JP2011056412A (ja) * 2009-09-10 2011-03-24 Toshiba Corp 膜ろ過システム
US8695343B2 (en) * 2009-12-04 2014-04-15 General Electric Company Economical and sustainable disposal of zero liquid discharge salt byproduct
US8357300B2 (en) 2010-08-16 2013-01-22 Hydranautics Methods and materials for selective boron adsorption from aqueous solution
US20120061300A1 (en) * 2010-09-15 2012-03-15 Takeshi Matsushiro Membrane filtration system
FR2966144B1 (fr) * 2010-10-14 2013-04-12 Total Sa Traitement de l'eau dans au moins une unite de filtration membranaire pour la recuperation assistee d'hydrocarbures
CN102153168B (zh) * 2010-12-01 2012-10-31 杭州水处理技术研究开发中心有限公司 一种双极膜对反渗透法海水淡化产水调质的方法
US20120145634A1 (en) 2010-12-10 2012-06-14 Water Intellectual Properties, Inc. High Efficiency Water Purification System
DE102011012805B4 (de) 2011-03-02 2013-06-06 I-E-S E.K., Inhaber Dr. Oliver Jacobs Aufbereitung von Rohsolen aus Meerwasserentsalzungsanlagen
US10259734B1 (en) * 2011-04-26 2019-04-16 Mansour S. Bader Effective de-scaling for desalination plants and a new brine-forward multi-stage flash concept
US10577269B1 (en) 2014-02-08 2020-03-03 Mansour S. Bader De-scaling: The critical key to effective desalination
JP6020168B2 (ja) * 2011-06-29 2016-11-02 東レ株式会社 膜ろ過方法および膜ろ過装置
JP5843522B2 (ja) 2011-08-26 2016-01-13 株式会社日立製作所 海水淡水化方法
US9090491B2 (en) 2011-09-02 2015-07-28 Saline Water Desalination Research Institute Removal of boron from saline water using alkalized NF membrane pretreatment
US9339765B2 (en) 2011-09-16 2016-05-17 General Electric Company Electrodialysis method and apparatus for passivating scaling species
CN103193294A (zh) * 2012-01-05 2013-07-10 凯膜过滤技术(上海)有限公司 一种高度浓缩盐水的反渗透膜和纳滤膜的组合分离方法和装置
US9540254B2 (en) * 2012-05-04 2017-01-10 University Of Florida Research Foundation, Inc. Membrane system to treat leachate and methods of treating leachate
CN102701504B (zh) * 2012-06-18 2013-12-04 中国海洋大学 一种油田驱油用聚合物溶液的制备方法
GB2504503A (en) 2012-07-31 2014-02-05 Ibm Desalination system
CN105683093B (zh) 2013-08-05 2019-07-09 格雷迪安特公司 水处理系统及相关方法
US10308537B2 (en) 2013-09-23 2019-06-04 Gradiant Corporation Desalination systems and associated methods
WO2015095695A2 (en) * 2013-12-20 2015-06-25 Massachusetts Institute Of Technology Thermal desalination for increased distillate production
WO2016007107A1 (en) * 2014-07-07 2016-01-14 Diclesu Limited Şirketi Reduction of waste water from reverse osmosis water treatment system
CN104535398A (zh) * 2015-01-28 2015-04-22 国家海洋技术中心 一种海水pH标准缓冲溶液的配制方法
US10308526B2 (en) 2015-02-11 2019-06-04 Gradiant Corporation Methods and systems for producing treated brines for desalination
US10167218B2 (en) 2015-02-11 2019-01-01 Gradiant Corporation Production of ultra-high-density brines
CA2993007C (en) 2015-07-29 2023-04-04 Gradiant Corporation Osmotic desalination methods and associated systems
WO2017030932A1 (en) 2015-08-14 2017-02-23 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
US20170151507A1 (en) 2015-12-01 2017-06-01 Kuwait Institute For Scientific Research Combination multi-effect distillation and multi-stage flash evaporation system
CN108463282B (zh) 2016-01-07 2021-08-17 吉普斯兰中心地区自来水公司 膜分离处理方法
CN108883344A (zh) 2016-01-22 2018-11-23 格雷迪安特公司 在加湿器例如多级鼓泡塔加湿器中使用高气体流速形成固体盐
WO2017147113A1 (en) 2016-02-22 2017-08-31 Gradiant Corporation Hybrid desalination systems and associated methods
US10589188B2 (en) 2016-06-27 2020-03-17 Enviro Water Minerals Company, Inc. System and method for removal of scale forming components
CN106830145A (zh) * 2017-02-23 2017-06-13 国家海洋局天津海水淡化与综合利用研究所 纳滤‑多效蒸馏耦合处理海水淡化浓水制饱和盐水系统
EP3672916A4 (de) 2017-08-21 2021-05-19 Evoqua Water Technologies LLC Behandlung von salzwasser für landwirtschaftliche und trinkwassernutzung
US11629072B2 (en) 2018-08-22 2023-04-18 Gradiant Corporation Liquid solution concentration system comprising isolated subsystem and related methods
US11634348B2 (en) 2019-01-30 2023-04-25 Enviro Water Minerals Company, Inc. System and method for treating hydrocarbon-containing feed streams
BR112021016365A2 (pt) * 2019-02-19 2021-10-19 Extrakt Process Solutions, Llc Sistema de gestão de água para operação de mineração de minério
US10947143B2 (en) 2019-04-01 2021-03-16 Saline Water Conversion Corporation Desalination brine concentration system and method
WO2021034332A1 (en) 2019-08-22 2021-02-25 Saline Water Conversion Corporation Multi-valent ion concentration using multi-stage nanofiltration
CN111362453B (zh) * 2020-03-18 2020-11-03 北京百灵天地环保科技股份有限公司 一种高矿化度煤矿矿井水达标处理及资源化利用装置及其使用方法
US11389770B2 (en) * 2020-04-29 2022-07-19 Sonny's Water Systems, LLC. Apparatus for using permeate to flush a reverse osmosis filter
CA3197204A1 (en) 2020-11-17 2022-05-27 Richard STOVER Osmotic methods and systems involving energy recovery
WO2023081688A1 (en) * 2021-11-02 2023-05-11 Energy Exploration Technologies, Inc. Monovalent anion selective membrane enabled by high concentration brine
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

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156645A (en) * 1973-07-26 1979-05-29 Desalination Systems Inc. Conversion of sea water by reverse osmosis
US4036749A (en) * 1975-04-30 1977-07-19 Anderson Donald R Purification of saline water
US4083781A (en) * 1976-07-12 1978-04-11 Stone & Webster Engineering Corporation Desalination process system and by-product recovery
JPS61200810A (ja) 1985-02-28 1986-09-05 Kurita Water Ind Ltd 膜分離装置
US4944882A (en) * 1989-04-21 1990-07-31 Bend Research, Inc. Hybrid membrane separation systems
US5238574A (en) 1990-06-25 1993-08-24 Kawasaki Jukogyo Kabushiki Kaisha Method and apparatus having reverse osmosis membrane for concentrating solution
US5158683A (en) * 1991-09-03 1992-10-27 Ethyl Corporation Bromide separation and concentration using semipermeable membranes
US5695643A (en) * 1993-04-30 1997-12-09 Aquatech Services, Inc. Process for brine disposal
JP3593765B2 (ja) 1994-12-02 2004-11-24 東レ株式会社 海水の逆浸透膜分離装置および分離方法
US5587083A (en) * 1995-04-17 1996-12-24 Chemetics International Company Ltd. Nanofiltration of concentrated aqueous salt solutions
US5766479A (en) 1995-08-07 1998-06-16 Zenon Environmental Inc. Production of high purity water using reverse osmosis
US5670053A (en) * 1995-08-07 1997-09-23 Zenon Environmental, Inc. Purification of gases from water using reverse osmosis
JP2920200B2 (ja) 1995-11-20 1999-07-19 工業技術院長 海水の淡水化方法
US6190556B1 (en) * 1998-10-12 2001-02-20 Robert A. Uhlinger Desalination method and apparatus utilizing nanofiltration and reverse osmosis membranes

Also Published As

Publication number Publication date
US6508936B1 (en) 2003-01-21
EP1019325B1 (de) 2007-01-10
WO1999016714A1 (en) 1999-04-08
EP1019325A1 (de) 2000-07-19
AU9584998A (en) 1999-04-23
CY1106496T1 (el) 2012-01-25
ES2281140T3 (es) 2007-09-16

Similar Documents

Publication Publication Date Title
DE69836865D1 (de) Verfahren mit verbesserter produktausbeute und -qualität zur entsalzung von meerwasser
DE69727613D1 (de) Verfahren zur Herstellung von porösem Material
DE69704964D1 (de) Verfahren zur Herstellung von Acryloxypropylsilane
DE59404392D1 (de) Kontinuierliches Verfahren zur Herstellung von aromatischen Aminen
ATE220658T1 (de) Verbessertes verfahren zur gleichzeitigen herstellung von 6-aminocapronitril und hexamethylendiamin
DE19980848D2 (de) Verfahren zur Detektion von Mikroorganismen in Produkten
DE69908998D1 (de) Verfahren zur Herstellung von Kohlenstoff
DE69521009D1 (de) Verbesserte Verfahren zur Herstellung von Polymere
DE69603810D1 (de) Verfahren zur Herstellung von Nitrilen
DE69618022D1 (de) Verfahren zur Herstellung von Schleifmitteln
DE59707913D1 (de) Kontinuierliches Verfahren zur Herstellung von gamma- Aminopropyltrialkoxysilanen
DE69707065D1 (de) Verbessertes Verfahren zur Herstellung von permeationsbeständigen Behältern
DE69703923D1 (de) Verfahren zur Herstellung von Polyester
DE69421328D1 (de) Elektrophotographisches Verfahren zur Herstellung von Druckplatten
DE69927486D1 (de) Verfahren zur herstellung von flüssigen polyfunktionellen zusätzen
DE69422063D1 (de) Verfahren zur Herstellung von Druckschablonen
DE69716385D1 (de) Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Feststoffen
DE69712157D1 (de) Verfahren zur Herstellung von Acrylnitril
DE59601499D1 (de) Kontinuierlich arbeitendes Verfahren zur Herstellung von gefälltem Kalziumkarbonat
DE69521466D1 (de) Verfahren zur Herstellung von Fleisch- oder Fischflocken
DE59501267D1 (de) Verfahren zur Herstellung von Dinitrotoluol
DE69517062D1 (de) Verfahren zur Herstellung von Amid-Verbindungen mit Mikroorganismen
DE59813367D1 (de) Verfahren zur Herstellung von Druckerzeugnissen
DE69412553D1 (de) Verfahren zur Herstellung von Druckschablonen
DE69822526D1 (de) Verfahren zur Konservierung von wassergefüllten Materialien

Legal Events

Date Code Title Description
8332 No legal effect for de