| US 7,556,671 B2 | ||
| System and method for purifying a gas | ||
| Ravi Jain, Bridgewater, N.J. (US); and YuDong Chen, Bridgewater, N.J. (US) | ||
| Assigned to The BOC Group, Inc., Murray Hill, N.J. (US) | ||
| Filed on Aug. 07, 2006, as Appl. No. 11/500,146. | ||
| Claims priority of provisional application 60/706325, filed on Aug. 08, 2005. | ||
| Prior Publication US 2007/0028773 A1, Feb. 08, 2007 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. B01D 53/04 (2006.01) | ||
| U.S. Cl. 95—90 [95/135; 96/132; 96/133] | 34 Claims |
| 17. A system for purifying a carbon dioxide gas stream comprising at least one adsorbent bed containing a first adsorbent layer comprising a desiccant, and a second adsorbent layer comprising a Y zeolite or an ion exchanged Y zeolite capable of removing an impurity comprising at least one of aldehydes, alcohols, acetates or sulfur compounds. |