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1 2003

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Magnetic filtration/adsorption process for Snake River Plain Groundwater Treatment

Cotten G., Eldredge H., Navratil J.

Nukleonika

2003

Vol. 48, nr 1

17-23

A magnetic filtration/adsorption process has been evaluated for development for groundwater treatment at the Idaho National Engineering and Environmental Laboratory (INEEL). The process uses inexpensive magnetite (FeOźFe2O3) in a supported mode surrounded by an external magnetic field. Prior studies have been shown to remove actinides and fission products in laboratory studies. This research has focused on supporting magnetite in an economical manner that promotes both magnetic filtration/adsorption of metal species and satisfactory water flow. The process utilizes the natural metal ion adsorptive properties of magnetite as well as the High Gradient Magnetic Separation (HGMS) effect for removing metal colloids and submicron particles. Results are presented on scoping studies for developing the process for groundwater treatment at the INEEL.