Method for the recovery of silver from silver zeolite

Patent · 01 January 1986

OSTI ID:865736

Reimann, George A ^[1]

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1. Idaho Falls, ID

High purity silver is recovered from silver exchanged zeolite used to capture radioactive iodine from nuclear reactor and nuclear fuel reprocessing environments. The silver exchanged zeolite is heated with slag formers to melt and fluidize the zeolite and release the silver, the radioactivity removing with the slag. The silver containing metallic impurities is remelted and treated with oxygen and a flux to remove the metal impurities. About 98% of the silver in the silver exchanged zeolite having a purity of 99% or better is recoverable by the method.

• Research Organization: EG & G IDAHO INC
• DOE Contract Number: AC07-76ID01570
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4564391
• OSTI ID: 865736
• Country of Publication: United States
• Language: English

Related Subjects

/75/
98
99
capture
containing
containing metal
environments
exchanged
exchanged zeolite
fluidize
flux
formers
fuel
fuel reprocessing
heated
impurities
iodine
melt
metal
metal impurities
metallic
metallic impurities
method
nuclear
nuclear fuel
nuclear reactor
oxygen
purity
radioactive
radioactive iodine
radioactivity
reactor
recoverable
recovered
recovery
release
remelted
remove
removing
reprocessing
silver
silver exchanged
silver zeolite
slag
treated
zeolite