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Water decontamination process improvement tests and considerations

Journal Article · · AIChE Symp. Ser.; (United States)
OSTI ID:5375387
; ; ;
Tests were made to improve the process for decontamination of the high-activity-level water at TMI-2. The objectives of these tests were: to increase the amount of cesium and strontium loaded on the zeolite sorbent, to reduce the cesium and strontium concentrations in the effluent water, and to remove the anionic contaminants from the water. Results indicated (1) that the cesium and strontium loadings could be increased by a factor of 5 by using mixed zeolites, (2) that the cesium and strontium concentrations in the zeolite effluent water could be reduced effectively by providing an aging period of several hours at about 75/sup 0/C before a final contact with zeolite, and (3) that the anionic contaminants could be removed effectively by first deionizing the water by removal of sodium ions, using a hydrogen-form cation exchange resin, followed by sorption of the contaminants on an anion resin.
Research Organization:
Oak Ridge National Laboratory, Oak Ridge, Tennessee
OSTI ID:
5375387
Journal Information:
AIChE Symp. Ser.; (United States), Journal Name: AIChE Symp. Ser.; (United States) Vol. 78:213; ISSN ACSSC
Country of Publication:
United States
Language:
English

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ADSORBENTS
AGING
ALKALI METALS
ALKALINE EARTH METALS
ANIONS
CATIONS
CESIUM
CHARGED PARTICLES
CLEANING
DECONTAMINATION
ELEMENTS
ENRICHED URANIUM REACTORS
HIGH-LEVEL RADIOACTIVE WASTES
HYDROGEN
INORGANIC ION EXCHANGERS
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METALS
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NONMETALS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM PRODUCTS
POLYMERS
POWER REACTORS
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PWR TYPE REACTORS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE PROCESSING
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REACTORS
RESINS
SODIUM IONS
STRONTIUM
TESTING
THERMAL REACTORS
THREE MILE ISLAND-2 REACTOR
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
WATER COOLED REACTORS
WATER MODERATED REACTORS
WATER TREATMENT
ZEOLITES