11
Michael M Chau: High flux semipermeable membranes. Allied Signal, Harold N Wells, Gerard P Rooney, August 21, 1990: US04950404 (71 worldwide citation)

High flux semipermeable membranes which comprise a polymerized reaction product within and/or on a porous support may be prepared by contacting the porous support such as a polysulfone sheet with an aqueous solution of an polyamine, said aqueous solution containing a polar aprotic solvent not reacti ...


12
Chinh N Tran, Hong C Chu, William G Light: Chlorine-resistant semipermeable membranes. Allied Signal, Harold N Wells, Thomas K McBride, Raymond H Nelson, May 16, 1989: US04830885 (66 worldwide citation)

Chlorine-resistant semipermeable membranes which comprise an interfacial polymerized reaction product composite on a porous support backing material may be prepared by contacting a porous support material such as polysulfone with an aqueous solution of an aromatic polyamine, said aqueous solution co ...


13
Paul I Rongved: Sea water desalination using CO2 gas from combustion exhaust. January 30, 2001: US06180012 (63 worldwide citation)

The invention relates to desalination of Sea water and of brakish water, and removal of harmful CO


14
Michael M Chau, William G Light, Hong C Chu: Dry high flux semipermeable membranes. Allied Signal, Raymond H Nelson, Harold N Wells, Gerard P Rooney, January 8, 1991: US04983291 (61 worldwide citation)

High flux semipermeable membranes which comprises the polymerized reaction product within and/or on a porous support backing material may be prepared by contacting the porous support such as a polysulfone with an aqueous solution of a polyamine which may, if so desired, contain a polar aprotic solve ...


15
Robert S Ward, Sallie K Coviello: Devices that change size/shape via osmotic pressure. The Polymer Technology Group Incorporated, Birch Stewart Kolasch & Birch, February 17, 2004: US06692528 (61 worldwide citation)

Devices implantable in animal bodies, possibly configured as self-inflating spinal disc prostheses. Alternatively, non-implantable water-desalination and/or purification devices. The devices include specified types of water-absorbing solute encapsulated by non-porous, water-permeable polymer membran ...


16
Bowie G Keefer: Reverse osmosis method and apparatus. Carver and Company, February 5, 1980: US04187173 (60 worldwide citation)

Reverse osmosis, particularly for water desalination, is achieved using semipermeable membranes which selectively permeate purified water from a feed solution pressurized by reciprocating piston or diaphragm pump. Pump action is assisted by returning pressurized concentrate fluid acting on reverse s ...


17
Gary D Simpson, Karl Lin: Process for improving thermal efficiency while producing power and desalinating water. Kenneth A Robby, July 20, 1999: US05925223 (59 worldwide citation)

A process and apparatus for improving the thermal efficiency of a steam turbine power generating plant while simultaneously desalinating seawater or brine and purifying water which contains minerals, salts, and other dissolved solids. Exhaust gases from a power plant is heat exchanged against water ...


18
Tsair Jyh Tzong, Frank H Y Wu, Chan Feng Tsai: Wave powered desalination apparatus with turbine-driven pressurization. Ocean Resources Engineering, Fulwider Patton Lee & Utecht, February 16, 1993: US05186822 (58 worldwide citation)

A desalination apparatus including pressure responsive desalination means, a storage tank and conduit means connecting such storage tank to a pump mounted in a caisson defining a resonant chamber having an opening in one side thereof for receiving the incoming ocean waves. The caisson is configured ...


19
Philippe Rychen, Samuel Alonso, Hans P Alt, Dominique Gensbittel: Apparatus for the continuous electrochemical desalination of aqueous solutions. Christ, Wenderoth Lind & Ponack, December 27, 1994: US05376253 (58 worldwide citation)

An apparatus for the continuous electrochemical desalination of aqueous solutions includes a wound module having a central electrode, around which are wound an anion exchanger membrane and a cation exchanger membrane, and an outer counterelectrode. Each membrane is sealed at an inner edge thereof an ...


20
Mansour S Bader: Methods to de-sulfate saline streams. September 7, 2010: US07789159 (57 worldwide citation)

Methods are disclosed to de-sulfate saline streams such as seawater, brine from seawater desalination plants, and the like. The disclosed methods can also co-produce de-ionized water and inorganic materials from such de-sulfated saline streams.



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