1
David J Edlund, William A Pledger: Hydrogen producing fuel processing system. IdaTech, Kolisch Hartwell Dickinson McCormack & Heuser, April 24, 2001: US06221117 (180 worldwide citation)

A fuel processing system is disclosed. The system includes a steam reformer adapted to produce hydrogen from a feedstock consisting of water and at least one of an alcohol and a hydrocarbon feedstock. The hydrogen is produced by reacting the feedstock in the present of a reforming catalyst. The prod ...


2
Yoshio Sunaoka, Keisuke Kitazato, Satoru Tsuda: Process for scrubbing porous hollow fiber membranes in hollow fiber membrane module. Japan Organo, Sprung Horn Kramer & Woods, May 11, 1993: US05209852 (117 worldwide citation)

There is disclosed a process for scrubbing hollow fiber membranes in at least one hollow fiber membrane module disposed in a hollow fiber membrane filter column wherein the hollow fiber membrane module includes a large number of hollow fibers bundled together therein as the hollow fiber membranes. I ...


3
William V Collentro, Andrew W Collentro: Production of high purity water using reverse osmosis. Zenon Environmental, Andrew Alexander, June 16, 1998: US05766479 (116 worldwide citation)

A process for purifying water by removing dissolved materials therefrom, the process capable of producing purified water having a resistivity in the range of 2 to 10 megohm-cm. The process comprises providing a water feed stream to be purified and adjusting the pH of the water feed stream to a basic ...


4
Fufang Zha, Clinton V Kopp, Robert J McMahon, Warren T Johnson, Thomas W Beck: Gas-scrubbed hollow fiber membrane module. USF Filtration & Separations Group, Knobbe Martens Olson and Bear, December 5, 2000: US06156200 (116 worldwide citation)

A method and apparatus for removing fouling materials from the surface of a plurality of porous membranes (9) arranged in a membrane module (4) by providing, from within the module, by means (10) other than gas passing through the pores of said membranes, gas bubbles in a uniform distribution relati ...


5
William V Collentro, Andrew W Collentro: Purification of gases from water using reverse osmosis. Zenon Environmental, Andrew Alexander, September 23, 1997: US05670053 (114 worldwide citation)

A process for purifying water including removing cations, anions and carbon dioxide and/or ammonia from water feed stream to produce high purity water having a resistivity of greater than 1 megohm-era comprising the steps of providing a water feed stream to be purified, the stream containing cations ...


6
Hisayoshi Yamamori, Akira Hoshide, Masumi Kobayashi: Hollow fiber membrane module. Mitsubishi Rayon, Oblon Spivak McClelland Maier & Neustadt, January 2, 1996: US05480553 (104 worldwide citation)

A hollow fiber membrane module comprising (a) hollow fibers, (b) a fastening member for fixing the ends of the hollow fibers while leaving them open, and (c) a structural member for enclosing and supporting the fastening member, the hollow fiber membrane module being useful in the filtration of wate ...


7
Pierre Cote, Arnold Janson, Hamid Rabie, Manwinder Singh: Cyclic aeration system for submerged membrane modules. Zenon Environmental, Bereskin & Parr, June 12, 2001: US06245239 (103 worldwide citation)

An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate or air flow and a lower rate of air flow in repeated cycles. In an embodiment, the air blower, valves and controller, simultaneous ...


8
Yoshio Sunaoka, Keisuke Kitazato, Satoru Tsuda: Filtration process using hollow fiber membrane module. Japan Organo, Sprung Horn Kramer & Woods, September 29, 1992: US05151191 (98 worldwide citation)

There is disclosed a filtration process using at least one hollow fiber membrane module including a large number of porous hollow fibers bundled therein. In the process, the filtration step of passing raw water containing fine particles through the pores of the hollow fibers from the outsides thereo ...


9
Satoshi Miyashita, Kenji Honjyo, Osami Kato, Kenji Watari, Takamitsu Takashima, Masanori Itakura, Hiroyuki Okazaki, Ikuo Kinoshita, Noriko Inoue: Membrane separator assembly and method of cleaning the assembly utilizing gas diffuser underneath the assembly. Mitsubishi Rayon, Mitshubishi Rayon Engineering, Fitch Even Tabin & Flannery, August 28, 2001: US06280626 (97 worldwide citation)

A membrane separator assembly for separating solids from water includes opposing enclosure wall structures, a membrane module unit, and a gas diffuser disposed below the membrane module unit. The membrane module unit includes a plurality of membrane modules respectively having at least one separatin ...


10
Kenneth D Hughes: Membrane based fluid treatment systems. Water Visions International, Sutherland Asbill & Brennan, March 6, 2007: US07186344 (94 worldwide citation)

A process for removing soluble and insoluble inorganic, organic, and microbiological contaminants from a fluid stream employing a pretreatment module, a post-treatment module, a recycle stream module or any combination thereof, and a membrane module, is provided. The process provided reduces the pro ...