US 7,491,335 B2
Removal of arsenic from water with oxidized metal coated pumice
Pratap G. Reddy, El Paso, Tex. (US); and Charles D. Turner, El Paso, Tex. (US)
Assigned to The Board of Regents of the University of Texas System, Austin, Tex. (US)
Filed on May 13, 2006, as Appl. No. 11/433,638.
Claims priority of provisional application 60/680920, filed on May 13, 2005.
Prior Publication US 2007/0017871 A1, Jan. 25, 2007
Int. Cl. C02F 1/42 (2006.01)
U.S. Cl. 210—660  [210/661; 210/663; 210/669; 210/688] 24 Claims
OG exemplary drawing
 
1. A method of removing arsenic from water comprising the step of contacting the water with oxidized metal coated pumice, thereby reducing the level of arsenic in the water.