Ion exchange decontamination of alkaline solutions of nuclear waste
Conference
·
OSTI ID:7311601
An ion exchange process was developed to remove /sup 137/Cs, /sup 90/Sr, and plutonium from alkaline solutions of nuclear waste. This waste has accumulated from greater than 20 years of reprocessing nuclear fuels and materials for defense programs at the Savannah River Plant and consists of approximately 20 million gallons of alkaline salt and solutions. In development tests, 100-liter quantities of liquid waste were decontaminated. The separated /sup 137/Cs, /sup 90/Sr, and plutonium were concentrated by a factor of 1500 and immobilized by adsorption onto zeolite. Residual activity, excluding /sup 106/Ru, in decontaminated salt cake will be about 6 nCi/g. /sup 106/Ru will decay to less than 6 nCi/g after the salt has been stored twelve years.
- Research Organization:
- Du Pont de Nemours (E.I.) and Co., Aiken, SC (USA). Savannah River Lab.
- DOE Contract Number:
- E(07-2)-1
- OSTI ID:
- 7311601
- Report Number(s):
- DP-MS-76-69; CONF-770301-6
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
052001* -- Nuclear Fuels-- Waste Processing
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ACTINIDES
ALKALI METAL ISOTOPES
ALKALINE EARTH ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CESIUM 137
CESIUM ISOTOPES
ELEMENTS
EVEN-EVEN NUCLEI
INORGANIC ION EXCHANGERS
INTERMEDIATE MASS NUCLEI
ION EXCHANGE
ION EXCHANGE MATERIALS
ISOTOPES
LIQUID WASTES
MANAGEMENT
METALS
MINERALS
NUCLEI
ODD-EVEN NUCLEI
PLUTONIUM
PROCESSING
RADIOACTIVE WASTE PROCESSING
RADIOISOTOPES
STRONTIUM 90
STRONTIUM ISOTOPES
TRANSURANIUM ELEMENTS
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
YEARS LIVING RADIOISOTOPES
ZEOLITES
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ACTINIDES
ALKALI METAL ISOTOPES
ALKALINE EARTH ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CESIUM 137
CESIUM ISOTOPES
ELEMENTS
EVEN-EVEN NUCLEI
INORGANIC ION EXCHANGERS
INTERMEDIATE MASS NUCLEI
ION EXCHANGE
ION EXCHANGE MATERIALS
ISOTOPES
LIQUID WASTES
MANAGEMENT
METALS
MINERALS
NUCLEI
ODD-EVEN NUCLEI
PLUTONIUM
PROCESSING
RADIOACTIVE WASTE PROCESSING
RADIOISOTOPES
STRONTIUM 90
STRONTIUM ISOTOPES
TRANSURANIUM ELEMENTS
WASTE MANAGEMENT
WASTE PROCESSING
WASTES
YEARS LIVING RADIOISOTOPES
ZEOLITES