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Title: Method for decontamination of radioactive metal surfaces

Disclosed is a method for removing radioactive contaminants from metal surfaces by applying steam containing an inorganic acid and cerium IV. Cerium IV is applied to contaminated metal surfaces by introducing cerium IV in solution into a steam spray directed at contaminated metal surfaces. Cerium IV solution is converted to an essentially atomized or vapor phase by the steam.
  1. (Richland, WA)
Issue Date:
OSTI Identifier:
Battelle Memorial Institute (Richland, WA) PNNL
Patent Number(s):
US 5545794
Contract Number:
Research Org:
Pacific Northwest National Laboratory (PNNL), Richland, WA
Country of Publication:
United States
method; decontamination; radioactive; metal; surfaces; disclosed; removing; contaminants; applying; steam; containing; inorganic; acid; cerium; applied; contaminated; introducing; solution; spray; directed; converted; essentially; atomized; vapor; phase; radioactive metal; radioactive contaminants; removing radioactive; active metal; metal surface; metal surfaces; vapor phase; inorganic acid; organic acid; steam containing; radioactive contaminant; /588/134/976/