91
Russell B Hodgdon, Samuel S Alexander: Electrodialysis membranes of high interstitial molality based upon methacrylate ester derivatives. Ionics Incorporated, Norman E Saliba, November 4, 1980: US04231855 (27 worldwide citation)

This invention relates to cross-linked copolymers of methacrylate esters containing ionogenic functional groups capable of being converted into high efficiency electro-dialysis membranes. Such totally aliphatic polymer membranes have been found to give electrical resistances which can be as low as o ...


92
Gabor Gode: Plant for sea water desalinizing using solar energy. Keil & Weinkauf, July 8, 1997: US05645693 (26 worldwide citation)

An apparatus for desalination of sea water by the utilization of solar energy, advantageously accompanied by electric power generation, containing a heat caption unit (1) serving as a heat source, a sea water collecting tank (10), a pre-heating tank (11), a heat receiver (20), and evaporators (2,3,4 ...


93
Ganiaris Neophytos: Desalination process. Struthers Scientific and International Corporation, July 11, 1972: US3675436 (26 worldwide citation)

The freeze desalination of sea water is accomplished using the refrigeration potential released during the regassification of liquified natural gas. Sea water feed is cooled in an ice melter and feed cooler to near freezing, the feed is mixed with cold brine, and the feed is passed to a crystallizer ...


94
Melvin J Hatch: Thermally reversible, amphoteric ion exchange resins consisting of crosslinked microbeads embedded in crosslinked matrix of opposite exchange group type. The Dow Chemical Company, David B Kellom, May 18, 1976: US03957698 (26 worldwide citation)

Thermally reversible, amphoteric microbead matrix ion exchange resins of micron size particles of crosslinked, weak acid cation or weak base anion exchange resin embedded in a matrix of a weak ion exchange resin of opposite form are prepared by suspending micron size particles of a weak ion exchange ...


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Dan Zaslavsky, Rami Guetta, Rony Hitron, Grigory Krivchenko, Michael Burt, Michael Poreh: Renewable resource hydro/aero-power generation plant and method of generating hydro/aero-power. Sharav Sluices, Lowe Hauptman, Gilman & Berner, November 18, 2003: US06647717 (26 worldwide citation)

A power plant and method for the generation of power from flowing air utilizes a generally vertically extending duct having an inlet open to atmosphere at an elevation above an outlet. A spray system is mounted adjacent the inlet for spraying droplets of a predetermined amount of water into the air ...


97
Schnitzer Emanuel: Rotary desalination engine and system. Frontier Engineering Corporation, H B Zachry Company, Hubbard Thurman Turner & Tucker, June 17, 1975: US3890205 (25 worldwide citation)

A rotary heat exchanger device is disclosed for transferring heat energy between two fluids. The rotary heat exchanger device of the present invention utilizes one or more high speed, thin rotating discs as heat transfer surfaces between such fluids as a boiling and a condensing fluid. The disc or d ...


98
Aldo La Rocca: Desalination of salt water by solar energy means. FIAT Societa per Azioni, Sughrue Rothwell Mion Zinn and Macpeak, January 23, 1979: US04135985 (25 worldwide citation)

Desalination apparatus using solar energy comprises a main insulated container with a subsidiary preheating container next to it; the main container is covered with a transparent cover serving as a selective filter to provide "the greenhouse effect" and also as a condensation surface for water vapor ...


99
Seliber Joseph: Combination liquefied natural gas expansion and desalination apparatus and method. Pacific Lighting Service Co, April 3, 1973: US3724229 (25 worldwide citation)

A method and combined apparatus for vaporizing liquefied natural gas and expanding the gas through a turbine for generating power is described. The energy for heating the liquefied natural gas for vaporization is obtained by transferring heat from sea water or other saline water. The water, so coole ...


100
Donald Thedore Bray: Simultaneous production of multiple grades of purified water by reverse osmosis. Desalination Systems, Clement H Allen, September 6, 1977: US04046685 (25 worldwide citation)

A reverse osmosis apparatus comprises an elongated pressure container housing a plurality of semipermeable membrane cartridges in end-to-end relationship. A separate tap from the product water collector of the semipermeable membrane cartridge or cartridges nearest the inlet of the pressure container ...