Method for decontamination of radioactive metal surfaces

Patent · 31 December 1995

OSTI ID:870558

Bray, Lane A ^[1]

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1. Richland, WA

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.

• Research Organization: Pacific Northwest National Laboratory (PNNL), Richland, WA
• DOE Contract Number: AC06-76RL01830
• Assignee: Battelle Memorial Institute (Richland, WA)
• Patent Number(s): US 5545794
• OSTI ID: 870558
• Country of Publication: United States
• Language: English

Related Subjects

/588/134/976/
acid
active metal
applied
applying
atomized
cerium
containing
contaminants
contaminated
converted
decontamination
directed
disclosed
essentially
inorganic
inorganic acid
introducing
metal
metal surface
metal surfaces
method
organic acid
phase
radioactive
radioactive contaminant
radioactive contaminants
radioactive metal
removing
removing radioactive
solution
spray
steam
steam containing
surfaces
vapor
vapor phase