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Status of Research on Radionuclide Removal Systems

Division of Environmental Engineering and Food Protection, Public Health Service, Washington, D.C.

ABSTRACT

The last research run of milk through the commercial-scale cation exchange system at Lebanon, Missouri, was completed on February 25, 1965. This system was a scale-up of the pilot plant model developed at Beltsville jointly by the U.S. Public Health Service, U.S. Department of Agriculture, and the Atomic Energy Commission.

The commercial-size equipment is capable of removing 90% of Sr⁹⁰ from 100,000 lb of milk in 8 hr. The equipment was built by the Paul Mueller Company and operated by the Producers Creamery Company under contract for the U.S. Public Health Service and the U.S. Department of Agriculture.

It will be several months before final reports on the experimental data are available.

This system was developed for emergency use in the event of war or nuclear accidents resulting in release of large amounts of Sr⁹⁰ to the atmosphere. It is not expected that such equipment will be needed for present or foreseeable levels of Sr⁹⁰ in this country.