Phenolic cation exchange resin material for recovery of cesium and strontium

Patent · Tue Dec 27 04:00:00 EST 1983

OSTI ID:7079066

Ebra, M A; Wallace, R M

A phenolic cation exchange resin with a chelating group has been prepared by reacting resorcinol with iminodiacetic acid in the presence of formaldehyde at a molar ratio of about 1:1:6. The material is highly selective for the simultaneous recovery of both cesium and strontium from aqueous alkaline solutions, such as, aqueous alkaline nuclear waste solutions. The organic resins are condensation polymers of resorcinol and formaldehyde with attached chelating groups. The column performance of the resins compares favorably with that of commercially available resins for either cesium or strontium removal. By combining Cs/sup +/ and Sr/sup 2 +/ removal in the same bed, the resins allow significant reduction of the size and complexity of facilities for processing nuclear waste.

• Assignee: US Dept. of Energy
• Patent Number(s): US 4423159
• OSTI ID: 7079066
• Country of Publication: United States
• Language: English

Related Subjects

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ACETIC ACID
ALDEHYDES
ALKALI METALS
ALKALINE EARTH METALS
AQUEOUS SOLUTIONS
CARBOXYLIC ACIDS
CESIUM
CHELATING AGENTS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
DISPERSIONS
ELEMENTS
FORMALDEHYDE
ION EXCHANGE
ION EXCHANGE MATERIALS
MANAGEMENT
MATERIALS
METALS
MIXTURES
MONOCARBOXYLIC ACIDS
NUCLEAR FACILITIES
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERIZATION
POLYMERS
PROCESSING
RADIOACTIVE WASTE FACILITIES
RADIOACTIVE WASTE PROCESSING
RESINS
SOLUTIONS
STRONTIUM
SYNTHESIS
WASTE MANAGEMENT
WASTE PROCESSING