Method for immobilizing radioactive iodine

Patent · Tue Jan 01 00:00:00 EST 1980

OSTI ID:863688

Babad, Harry ^[1]; Strachan, Denis M ^[1]

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1. Richland, WA

Radioactive iodine, present as alkali metal iodides or iodates in an aqueous solution, is incorporated into an inert solid material for long-term storage by adding to the solution a stoichiometric amount with respect to the formation of a sodalite (3M.sub.2 O.3Al.sub.2 O.sub.3. 6SiO.sub.2.2MX, where M=alkali metal; X=I.sup.- or IO.sub.3.sup.-) of an alkali metal, alumina and silica, stirring the solution to form a homogeneous mixture, drying the mixture to form a powder, compacting and sintering the compacted powder at 1073 to 1373 K (800.degree. to 1100.degree. C.) for a time sufficient to form sodalite.

• Research Organization: Atlantic Richfield Hanford Co., Richland, WA (USA)
• DOE Contract Number: EY-76-C-06-2130
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4229317
• OSTI ID: 863688
• Country of Publication: United States
• Language: English

Related Subjects

method
immobilizing
radioactive
iodine
alkali
metal
iodides
iodates
aqueous
solution
incorporated
inert
solid
material
long-term
storage
adding
stoichiometric
amount
respect
formation
sodalite
3m
3al
6sio
2mx
alumina
silica
stirring
form
homogeneous
mixture
drying
powder
compacting
sintering
compacted
1073
1373
800
degree
1100
time
sufficient
term storage
radioactive iodine
time sufficient
alkali metal
aqueous solution
solid material
homogeneous mixture
long-term storage
stoichiometric amount
inert solid
immobilizing radioactive
metal iodide
/999/423/501/976/