Patent Number CN1972875 B 2013-03-20
 
Continuous closed-circuit desalination apparatus without containers
An apparatus for continuous closed-circuit consecutive sequential desalination of a salt water solution by reverse osmosis that comprises a closed circuit system comprising one or more desalination modules having their respective inlets and outlets connected in parallel by conducing lines, each of desalination modules comprising of one or more membrane elements, a pressurizing device for creating counter pressure to enable reverse osmosis desalination and replacement of released permeate by fresh, a circulation system for recycling the desalinated solution through the desalination modules, a conducting line systems for permeate collection from the desalination modules, a conducting line system for removing brine effluent a valve system to enable periodic discharge of brine from the closed circuit without stopping desalination,; and monitoring and control systems to enable continuous closed circuit desalination of desired recovery proceed in consecutive sequential steps under variable or constant pressure conditions.
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Publication Number Type Publi.Date Links
  EP3040313 A2 2016-07-06
STG: (A2) Application published without search report
AP: 2015EP-0003281
  EP3040313 A3 2016-11-23
STG: (A3) Published search report
AP: 2015EP-0003281
  EP1781574 A2 2007-05-09
STG: (A2) Application published without search report
AP: 2005EP-0754582
  EP1781574 A4 2010-02-17
STG: (A4) Supplementary search report
AP: 2005EP-0754582
  EP1781574 B1 2017-08-09
STG: (B1) Patent specification
AP: 2005EP-0754582
  US20080023410 A1 2008-01-31
STG: (A1) Application published
AP: 2005US-11630297
  US7695614 B2 2010-04-13
STG: (B2) Granted patent as second publication
AP: 2005US-11630297
PCT  WO2006/001007 A2 2006-01-05
STG: (A2) International application published without international search report
AP: 2005WO-IL00670
PCT  WO2006/001007 A3 2006-02-09
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  JP2008503342 A 2008-02-07
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  JP4675957 B2 2011-04-27
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AP: 2007JP-0517650
  SG128157 A1 2007-01-30
STG: (A1) Patent Application
AP: 2006SG-0086359
  BRPI0511405 A 2007-12-04
STG: (A) Published application
AP: 2005BR-0011405
  PT1781574 T 2017-11-14
STG: (T) Translation of the EP document
AP: 2005PT-0754582T
  HUE034905 T2 2018-03-28
STG: (T2) Translation of complete European patent application
AP: 2005HU-E754582
  IL162713 A0 2005-11-20
STG: (A0) Patent application filed
AP: 2004IL-0162713
  IL162713 B 2011-04-28
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  CA2572410 A1 2006-01-05
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  AU2005257048 B2 2010-01-14
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  CA2572410 C 2013-01-08
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AP: 2005CA-2572410
ARIPO  AP2007003896 A0 2007-02-28
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AP: 2007AP-0003896
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STG: (D0) Patent application filed
AP: 2007AP-0003896
ARIPO  AP2349 A 2012-01-16
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AP: 2007AP-0003896
  KR10-2007-0035554 A 2007-03-30
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  KR10-1052662 B1 2011-07-28
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  CN1972875 A 2007-05-30
STG: (A) Published application
AP: 2005CN-80021108
  CN1972875 B 2013-03-20
STG: (B) Granted patent for invention
AP: 2005CN-80021108
  MXPA06014788 A 2007-06-22
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AP: 2006MX-PA14788
  MX297988 B 2012-04-09
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EAPO  EA200700082 A1 2007-06-29
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EAPO  EA012219 B1 2009-08-28
STG: (B1) Patent
AP: 2007EA-0000082
  IN7656/DELNP/2006 A 2007-08-17
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  IN271791 B 2016-03-11
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  ZA200700013 B 2008-02-27
STG: (B) Granted Patent
AP: 2007ZA-0000013
  SG153859 A1 2009-07-29
STG: (A1) Patent Application
AP: 2009SG-0043456
  SG153859 B 2011-04-15
STG: (B) Patent Granted
AP: 2009SG-0043456
  UA91022 C2 2010-06-25
STG: (C2) Pat. grant. upon the USSR appl.,for which no pos. dec. made;grant. upon basis of national application
AP: 2007UA-0000304
  IN201618005501 A 2016-08-05
STG: (A) Application laid open
AP: 2016IN-18005501
  IN349256 B 2020-10-14
STG: (B) Patent
AP: 2016IN-18005501
  DK1781574 T3 2017-11-20
STG: (T3) Translation of EP patent
AP: 2005DK-0754582
  ES2646181 T3 2017-12-12
STG: (T3) Translation of granted European patent (former B3)
AP: 2005ES-0754582T
  PL1781574 T3 2018-01-31
STG: (T3) Translation of ep patent
AP: 2005PL-0754582
First Date of Grant 2017-08-09
2010-04-13
2011-04-27
2008-02-27
2010-01-14
2011-04-15
2012-01-16
2016-03-11
2020-10-14
2009-08-28
2010-06-25
2011-04-28
2011-07-28
2012-04-09
2013-01-08
2013-03-20
2017-11-20
2017-12-12
2018-01-31
Inventor AVI EFRATY
All applicant/assignee Desalitech Ltd ([IL])
Desalitech Ltd ([IL])
Desalitech Ltd ([IL])
Efraty, Avi ([IL])
Desalitech Ltd ([IL])
EFRATY AVI
EFRATY AVI
EFRATY, Avi ([IL])
EFRATY, AVI
Efurati Avi
Desaritekkueru Tea Dee
DESALITECH LTD ([IL])
EFRATY, AVI
AVI EFRATY
DESALITECH L.T.D
DESALITECH LTD ([IL])
DESALITECH LTD ([IL])
DESALITECH LIMITED
EFRATY AVI ([IL])
DESALITECH LTD
DESALITECH LTD
DESALITECH LTD
AVI EFRATY
EFRATY AVI
EFRATY, AVI
AVI EFRATY
DESALITECH LTD. ([IL])
AVI EFRATY ([IL])
DESALITECH L.T.D.
DESALITECH L.T.D.
AVI EFRATY
DESALITECH LTD
EFRATY AVI ([IL])
EFRATY, AVI ([IL])
EFRATY AVI ([IL])
DESALITECH Ltd.
DESALITECH LTD
Desalitech Ltd
Desalitech Ltd
Desalitech Ltd
Desalitech Ltd
Priority Details 2004IL-0162713 2004-06-242005EP-0754582 2005-06-232005WO-IL00670 2005-06-23
Designated States Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Extension States: HR
Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
Extension States: HR
National States: AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW
ARIPO: BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ MD RU TJ TM
EPO: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG
   
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