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특허 상세정보

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Nanofiltration of concentrated aqueous salt solutions

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-061/00   
미국특허분류(USC) 210/652 ; 210/651 ; 210/653
출원번호 US-0422935 (1995-04-17)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 45  인용 특허 : 1
초록
▼

A nanofiltration process using a conventional nanofiltration membrane module under a positive applied pressure is used to selectively change the concentration of one solute, such as sodium chloride or sodium chlorate providing monovalent ions, from another solute such as sodium sulfate or sodium dichromate providing multivalent ions in high salt aqueous concentrations. The process is particularly useful in favourably lowering the concentration of silica and dichromate ions in chloral kali and chlorate brine containing solutions and favourably raising the...

대표
청구항
▼

In a nanofiltration process for filtering an aqueous liquor comprising feeding a feed liquor to a nanofiltration membrane module under a positive applied pressure to provide a pass liquor and a permeate liquor and selectively decreasing the concentration of a first compound relative to the concentration of a second compound in said aqueous liquor wherein said first compound has a first feed concentration and said second compound has a second feed concentration, said process comprising feeding said aqueous liquor to said nanofiltration membrane module, co...

이 특허에 인용된 특허 (1)

  1. Plummer Mark A. (Littleton CO). Preventing plugging by insoluble salts in a hydrocarbon-bearing formation and associated production wells. USP1988024723603.

이 특허를 인용한 특허 피인용횟수: 45

  1. Bocarsly, Andrew; Lakkaraju, Prasad; Morris, Amanda; Dominey, Raymond. Advanced aromatic amine heterocyclic catalysts for carbon dioxide reduction. USP2015079090976.
  2. Gilliam, Ryan J.; Albrecht, Thomas A.; Jalani, Nikhil; Knott, Nigel Antony; Decker, Valentin; Kostowskyj, Michael; Boggs, Bryan; Gorer, Alexander; Farsad, Kasra. CO2 utilization in electrochemical systems. USP2014118894830.
  3. Lakkaraju, Prasad; Teamey, Kyle. Carbon dioxide capture and conversion to organic products. USP2014028658016.
  4. Bocarsly, Andrew B.; Cole, Emily Barton. Conversion of carbon dioxide to organic products. USP2015038986533.
  5. Bocarsly, Andrew B.; Cole, Emily Barton. Conversion of carbon dioxide to organic products. USP2014038663447.
  6. Cole, Emily Barton; Teamey, Kyle; Bocarsly, Andrew B.; Sivasankar, Narayanappa. Electrochemical production of butanol from carbon dioxide and water. USP2015028961774.
  7. Sivasankar, Narayanappa; Cole, Emily Barton; Teamey, Kyle. Electrochemical production of synthesis gas from carbon dioxide. USP20181110119196.
  8. Sivasankar, Narayanappa; Cole, Emily Barton; Teamey, Kyle. Electrochemical production of synthesis gas from carbon dioxide. USP2014058721866.
  9. Sivasankar, Narayanappa; Cole, Emily; Teamey, Kyle; Bocarsly, Andrew. Electrochemical production of urea from NOx and carbon dioxide. USP2013098524066.
  10. Ha, Eric; Calas, Guillaume; Lu, Peng; Camire, Chris; Bourcier, William; Kendall, Treavor; Chen, Irvin; Devenney, Martin. Formed building materials. USP2014108869477.
  11. Seeker, William Randall; Constantz, Brent; Khosla, Vinod. Gas stream multi-pollutants control systems and methods. USP2014118883104.
  12. Sivasankar, Narayanappa; Cole, Emily Barton; Teamey, Kyle. Heterocycle catalyzed carbonylation and hydroformylation with carbon dioxide. USP2016049309599.
  13. Sivasankar, Narayanappa; Cole, Emily Barton; Teamey, Kyle. Heterocycle catalyzed carbonylation and hydroformylation with carbon dioxide. USP2013108568581.
  14. Cole, Emily Barton; Bocarsly, Andrew. Heterocycle catalyzed electrochemical process. USP2014098845877.
  15. Cole, Emily Barton; Bocarsly, Andrew B.. Heterocycle catalyzed electrochemical process. USP2018059970117.
  16. Gilliam, Ryan J.; Decker, Valentin; Boggs, Bryan; Jalani, Nikhil; Albrecht, Thomas A.; Smith, Matt. Low-voltage alkaline production using hydrogen and electrocatalytic electrodes. USP2014098834688.
  17. Gilliam, Ryan J; Decker, Valentin; Boggs, Bryan; Jalani, Nikhil; Albrecht, Thomas A; Smith, Matt. Low-voltage alkaline production using hydrogen and electrocatalytic electrodes. USP2016029267211.
  18. Karsten Loehr DE. Method and device for operating etching baths. USP2002096454958.
  19. Iang, Jr-Jung. Method and system for recycling and treating dyeing wastewater. USP2013078480905.
  20. Pfeiffer,Martin. Method for continuously filtering raw brine for use in chlor-alkali electrolysis. USP2006077077968.
  21. Bargeman, Gerrald; Demmer, René Lodewijk Maria; Kuzmanovic, Boris; Van Lare, Cornelis Elizabeth Johannus; Mayer, Mateo Jozef Jacques; Schutyser, Maarten André Irène; Westerink, Jan Barend. Method for crystallizing soluble salts of divalent anions from brine. USP2010127858058.
  22. Lien, Larry A.. Method for secondary oil recovery. USP2005106955222.
  23. Green Dennis H. ; Mueller Jeffrey J.. Method for separating and isolating gold from copper in a gold processing system. USP1999105961833.
  24. Dennis H. Green ; Jeff Mueller ; John A. Lombardi. Method for separating and isolating precious metals from non precious metals dissolved in solutions. USP2002036355175.
  25. Thorsen Thor,NOX ; Wiig Per Oscar,NOX ; W.ae butted.rnes Ole,NOX ; Langseth Birger,NOX ; Margcotte Carl,CAX. Method for sulphate removal magnesium chloride brine. USP1999055900151.
  26. Krack Ralf,DEX ; Laufenberg Alfred,DEX ; Brockhaus Joerg,DEX ; Schnepf Christine,DEX ; Merz Thomas,DEX ; Rossner Dietmar,DEX. Method for washing clothes. USP2001096287347.
  27. Constantz, Brent; Monteiro, Paulo J. M.; Omelon, Sidney; Fernandez, Miguel; Farsad, Kasra; Geramita, Katharine; Yaccato, Karin. Methods and systems for utilizing waste sources of metal oxides. USP2016029260314.
  28. Skidmore Howard J. ; Hutter Klaas J.. Methods of purifying phosphoric acid. USP1999085945000.
  29. Twardowski Zbigniew,CAX ; Ulan Judith G.,CAX. Nanofiltration of concentrated aqueous salt solutions. USP1999015858240.
  30. Grayson John R.. Pressurized brining system. USP2001026193882.
  31. Werner Bonrath DE; David Carl Burdick CH; Peter Schirg DE; Andreas Thum DE. Process for concentrating epigallocatechin gallate. USP2002056383392.
  32. Hassan, Ata M.. Process for desalination of saline water, especially water, having increased product yield and quality. USP2003016508936.
  33. Sivasankar, Narayanappa; Sullivan, Ian; Cole, Emily Barton; Teamey, Kyle; Keyshar, Kunttal. Process for making formic acid. USP2013108562811.
  34. Patrick John Morrissey GB; Philip John Mitchell GB; Stewart Ernest Male GB. Process for the removal of sulfate ions from an electrolyte. USP2002106461495.
  35. Davis,Thomas A.. Production of purified water and high value chemicals from salt water. USP2006087083730.
  36. Teamey, Kyle; Cole, Emily Barton; Sivasankar, Narayanappa; Bocarsly, Andrew. Purification of carbon dioxide from a mixture of gases. USP2013088500987.
  37. Teamey, Kyle; Cole, Emily Barton; Sivasankar, Narayanappa; Bocarsly, Andrew B.. Purification of carbon dioxide from a mixture of gases. USP2015129222179.
  38. Cole, Emily Barton; Sivasankar, Narayanappa; Parajuli, Rishi; Keets, Kate A.. Reducing carbon dioxide to products. USP2014098845878.
  39. Cole, Emily Barton; Teamey, Kyle; Bocarsly, Andrew B.; Sivasankar, Narayanappa. Reduction of carbon dioxide to carboxylic acids, glycols, and carboxylates. USP2013118592633.
  40. Perry, Mordechai; Ginzburg, Vera; Ginzburg, Boris; Lapido, Polina. Solvent and acid stable membranes, methods of manufacture thereof and methods of use thereof inter alia for separating metal ions from liquid process streams. USP2018049943811.
  41. Perry, Mordechai; Ginzburg, Vera; Ginzburg, Boris; Lapido, Polina. Solvent and acid stable membranes, methods of manufacture thereof and methods of use thereof inter alia for separating metal ions from liquid process streams. USP2015129205383.
  42. Lien Larry A.. Spent brine reclamation. USP1999126004464.
  43. Vuong, Diem Xuan. Two stage nanofiltration seawater desalination system. USP2013028366924.
  44. Vuong,Diem Xuan. Two stage nanofiltration seawater desalination system. USP2006127144511.
  45. Davis,Thomas A.. Water desalination process and apparatus. USP2008127459088.

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