Patent Number: 6,254,786

Title: In-situ method to remove iron and other metals from solution in groundwater down gradient from permeable reactive barrier

Abstract: This invention is directed to a process for treating the flow of anaerobic groundwater through an aquifer with a primary treatment media, preferably iron, and then passing the treated groundwater through a second porous media though which an oxygenated gas is passed in order to oxygenate the dissolved primary treatment material and convert it into an insoluble material thereby removing the dissolved primary treatment material from the groundwater.

Inventors: Carpenter; Clay E. (Grand Junction, CO), Morrison; Stanley J. (Grand Junction, CO)

Assignee: The United States of America as represented by the Department of Energy

International Classification: B09C 1/00 (20060101); C02F 001/72 ()

Expiration Date: 07/03/2018