07314503 is referenced by 39 patents and cites 19 patents.

A process for the removal of inert gases, such as nitrogen and carbon dioxide, from methane-containing gases, such as natural gas, including a first stage removal which lowers the total combined inert content to about less than 30% and a second stage removal utilizing a pressure swing adsorption process comprising one or more adsorbent beds comprising contracted titanosilicate-1 adsorbent, wherein the purified methane-containing gas contains less than about 6% total combined inerts.

Title
Process to remove nitrogen and/or carbon dioxide from methane-containing streams
Application Number
11/4304
Publication Number
7314503 (B2)
Application Date
December 3, 2004
Publication Date
January 1, 2008
Inventor
Stephen LeViness
Tulsa
OK, US
Kenneth Agee
Bixby
OK, US
Branch J Russell
Houston
TX, US
J Mark Landrum
Collinsville
OK, US
Assignee
Syntroleum Corporation
OK, US
IPC
B01D 53/22
B01D 53/047
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