Enhancements    

Removal of Arsenic from Water with Oxidized Metal Coated Pumice

Removal of Arsenic from Water with Oxidized Metal Coated Pumice
Inventors: Charles Turner, Pratap Reddy
Patent No. 7,491,335

Description:
This patent removes arsenic from contaminated water. The arsenic in contaminated water binds to oxidized metal-coated pumice. Arsenic is a global health concern when occurring at high levels in a groundwater supply. This is an inexpensive and efficient way of removing arsenic from contaminated drinking water. Can be used in conjunction with ion exchange, reverse osmosis, adsorption, and electrodialysis reversal. Patent issued.

Abstract:
The current invention is concerned with methods and compositions for the removal of arsenic contamination from water. A method for binding As to oxidized metal coated pumice and method for making the same are disclosed. Water filters comprising oxidized metal coated pumice, such as oxidized iron coated pumice, are also provided.

Issue Date: 02/17/2009
Application Date: 05/13/2006
Post Date: 03/02/2018

UTEP Docket No: 2005-007