31
Joseph F Pizzino, David B Patchett: Apparatus and process for desalination of seawater. The United States of America represented by the Secretary of the Navy, Luther A Marsh, Howard Kaiser, John Stowe, April 7, 1992: US05102550 (49 worldwide citation)

An apparatus and process for desalination of seawater using a hydrophobic por permeable membrane. Heated seawater is passed across one surface of a membrane at rates which cause the flow to be turbid such that its turbidity is characterized by Reynolds numbers in excess of 1000. Fresh water is passe ...


32
Tadahiro Uemura, Hideo Fujimaki, Toshihiro Ikeda: Process of producing composite semipermeable membrane. Toray, Austin R Miller, September 24, 1991: US05051178 (49 worldwide citation)

Alkyldiamine, 1,3,5-trihydroxybenzene or 1,3-dihydroxybenzene is added as a copolymerization component to a polyfunctional aromatic amine component in the amount of 1-20% by weight with respect to the polyfunctional aromatic amine in producing a composite semipermeable membrane by laminating on a mi ...


33
James F Klausner, Renwei Mei: Diffusion driven desalination apparatus and process. University of Florida, Akerman Senterfitt, July 19, 2005: US06919000 (48 worldwide citation)

A diffusion driven desalination apparatus and related method includes structure for receiving a heated water stream and creating at least one region having a thin film of water and structure for forcing a low humidity air stream over the thin film of water, wherein water from the thin film of water ...


34
Donald T Bray, David H Hopkins: Spiral wound membrane. Desalination Systems, Fitch Even Tabin & Flannery, June 27, 1989: US04842736 (48 worldwide citation)

A spiral wound membrane cartridge for use in separating a first component from a feed fluid mixture of the first component and the second component. The cartridge includes a permeate collection tube and at least one permeate carrier leaf extending outwardly from the tube. The cartridge further inclu ...


35
Raymond A Tondreau: Combination faucet and air gap. Desalination Systems, Clement H Allen, July 6, 1976: US03967638 (48 worldwide citation)

A combination faucet and antisyphon break or air gap for dispensing purified water produced by a membrane type purification unit, has a body having a valve-controlled passage with a spout for dispensing purified water; and a pair of additional vertical passages, one for connection to the brine outpu ...


36
Joseph E Toomey: Electro-synthesis of alcohols and carboxylic acids from corresponding metal salts. Reilly, Woodard Emhardt Naughton Moriarty & McNett, March 1, 1994: US05290404 (46 worldwide citation)

A preferred electrochemical process for producing an alcohol or carboxylic acid from a corresponding metal salt while also recovering metal cation residues is described. The preferred process does not require a three-compartment desalination cell but rather can be performed in a standard two-compart ...


37
Larry A Lien: Spiral-wound membrane cartridge with ribbed and spaced carrier layer. Desalination Systems, Fitch Even Tabin & Flannery, February 20, 1990: US04902417 (46 worldwide citation)

Disclosed are spiral-wound membrane cartridge constructions for use in ultrafiltration and reverse-osmosis separation equipment, each of which include a feed layer, a membrane layer and a permeate carrier layer. By using a feed layer in the form of a channel material having a plurality of parallel r ...


38
Theodore A Kuepper: Zero waste effluent water desalination system. Theodore A Kuepper, Marvin E Jacobs, August 15, 2000: US06103125 (46 worldwide citation)

A water desalination and softening system that can be used in a home or commercial environment which recirculates water past a membrane filter element in a manner to self clean the membrane and to prevent a buildup of salts and minerals on the membrane surface. The system conserves water so as to re ...


39
Alvin Kobashikawa, Yu Si Fok: Wave energy conversion device for desalination, ETC. Leighton K Chong, April 4, 2006: US07023104 (45 worldwide citation)

An impulse-type “wave motor” employs a seabed-mounted or supported structure mounting a wave energy absorbing panel on a hinged lever arm for reciprocation motion to obtain optimal absorption of wave energy from wave motion in the sea. For deepwater wavelengths of L, the panel is optimally positione ...


40
Robbins Adam: Semipermeable membrane cartridge and method of making.. Desalination Systems, March 3, 1993: EP0529921-A1 (45 worldwide citation)

Cartridges for use in ultrafiltration or reverse osmosis separation devices are formed by injection molding a generally tubular, smooth, seamless shell about a spirally-wrapped semipermeable membrane assembly. These cartridges can be used within traditional separation devices having pressure vessels ...



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