| US 7,553,792 B2 | ||
| Sulfur-impregnated and coupling agent-reacted organoclay mercury and/or arsenic ion removal media | ||
| Zhen Wang, Hoffman Estates, Ill. (US); and Robert Abraham, Bolingbrook, Ill. (US) | ||
| Assigned to Amcol International Corporation, Hoffman Estates, Ill. (US) | ||
| Filed on Jun. 05, 2007, as Appl. No. 11/810,379. | ||
| Prior Publication US 2008/0302729 A1, Dec. 11, 2008 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. B01J 21/16 (2006.01) | ||
| U.S. Cl. 502—80 [502/85; 502/400; 502/401; 502/417] | 7 Claims |
| 1. A method of removing mercury and/or arsenic from water comprising contacting the water with an intimate mixture of A) sulfur impregnated organoclay and B) a sulfur-containing coupling agent-reacted layered phyllosilicate. |