1
Herbert Edward Reinhold III, Kent S Knaebel, Mark Huber, David R King: Separation of gases by pressure swing adsorption. Nitrotec Corporation, Cammarata & Grandinetti, August 11, 1998: US05792239 (40 worldwide citation)

A natural gas feed stream containing significant quantities of nitrogen and/or carbon dioxide can be increased to a content of greater than 95 percent by volume of natural gas, and preferably greater than about 98 percent, by passing the natural gas feed stream sequentially through three adsorbent b ...


2
Herbert W Reinhold III, Mark Huber, David R King: Pressure swing system with auxiliary adsorbent bed. Nitrotec Corporation, Cammarata & Grandinetti, May 25, 1999: US05906673 (32 worldwide citation)

The invention is a pressure swing adsorption system. The pressure swing adsorption system has a plurality of primary adsorbent beds and at least one secondary adsorbent bed. The feed gas stream is flowed to a primary adsorbent bed loaded with an adsorbent that will preferentially adsorb certain comp ...


3
Karl Knoblauch, Burkhard Harder, Heinrich Heimbach, Charles F Cosentino: Method and apparatus for inerting transport containers. Bergwerksverband, Nitrotec Corporation, Martin A Farber, January 28, 1986: US04566282 (26 worldwide citation)

A simple, inexpensive method of inerting transport containers, particularly for goods which easily spoil in the air, such as foodstuffs, plants and flowers, by a gas which contains nitrogen and a predetermined concentration of up to about 5 vol. % oxygen is made possible in the manner that air is co ...


4
Glenn Stoner, Herbert E Reingold III, Joseph S D Amico, Kent S Knaebel: Enhanced helium recovery. Nitrotec Corporation, Cammarata & Grandinetti, May 27, 1997: US05632803 (25 worldwide citation)

The disclosed hybrid membrane and pressure swing adsorption process can recover helium from source streams of about 0.5 to 5 percent by volume helium and concentrate the helium to a concentration of greater than about 98 percent by volume. The process comprises a membrane separation followed by two ...


5
Herbert E Reinhold III, Joseph S D Amico, Kent S Knaebel: Natural gas enrichment process. Nitrotec Corporation, Michael J McGreal, July 16, 1996: US05536300 (23 worldwide citation)

A natural gas feed stream containing significant quantities of nitrogen can be increased to a content of greater than 95 percent by volume of natural gas, and preferably greater than about 98 percent, by passing the natural gas feed stream sequentially through at least four adsorbent beds which are ...


6
Joseph S D Amico, Herbert Edward Reinhold III, Kent S Knaebel: Helium recovery from higher helium content streams. Nitrotec Corporation, Cammarata & Grandinetti, January 13, 1998: US05707425 (18 worldwide citation)

The present process is directed to the efficient recovery of helium gas from gas streams which contain about 25 percent by volume or more helium. The process comprises two stages of pressure swing adsorption, each stage being comprised of a plurality of interconnected adsorbent beds. In the first st ...


7
Joseph S D Amico, Herbert E Reinhold III, Kent S Knaebel: Helium recovery. Nitrotec Corporation, Michael J McGreal, August 6, 1996: US05542966 (10 worldwide citation)

The disclosed pressure swing adsorption processes can recover helium from source streams of less than about 10 percent by volume helium and concentrate the helium to a concentration of greater than about 98 percent by volume. Two stages of pressure swing adsorption are used in series. The source of ...


8
James Way: Method of and arrangement for enriching the nitrogen content of an effluent gas in a pressure swing adsorption system. Nitrotec Corporation, Kirschstein Kirschstein Ottinger & Israel, December 24, 1985: US04560393 (8 worldwide citation)

A method of and an arrangement for increasing the enrichment of nitrogen in an effluent gas obtained from a pressure swing adsorption system includes electrostatically negatively charging oxygen molecules in a feed gas such as air, and attracting the negatively charged oxygen molecules to a positive ...


9
Reinhold Herbert Iii, Huber Mark, King David R: Pressure swing system with auxiliary adsorbent bed. Nitrotec Corporation, GRANDINETTI Paul, November 19, 1998: WO/1998/051398

A pressure swing adsorption system has a plurality of primary adsorbent beds and at least one secondary adsorbent bed. The feed gas stream flows to a primary adsorbent bed loaded with an adsorbent that will preferentially adsorb certain components in the feed gas. Non-preferentially adsorbed compone ...