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Cesium-specific phenolic ion exchange resin

Patent ·
OSTI ID:870026
 [1];  [1]
  1. Aiken, SC
+ Show Author Affiliations

A phenolic, cesium-specific, cation exchange resin is prepared by neutralizing resorcinol with potassium hydroxide, condensing/polymerizing the resulting intermediate with formaldehyde, heat-curing the resulting polymer to effect cross-linking and grinding it to desired particle size for use. This resin will selectively and efficiently adsorb cesium ions in the presence of a high concentration of sodium ions with a low carbon to cesium ratio.

Research Organization:
E I DUPONT DE NEMOURS & CO INC
DOE Contract Number:
AC09-76SR00001
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 5441991
OSTI ID:
870026
Country of Publication:
United States
Language:
English

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Related Subjects

/521/
adsorb
carbon
cation
cation exchange
cesium
cesium-specific
concentration
condensing
cross-linking
desired
effect
efficiently
exchange
exchange resin
formaldehyde
grinding
heat-curing
hydroxide
intermediate
neutralizing
particle
particle size
phenolic
polymer
polymerizing
potassium
potassium hydroxide
prepared
presence
ratio
resin
resorcinol
resulting
resulting polymer
selectively
size
sodium