Removing method for carbon isotope in condensed liquid waste
Description
Carbon isotopes in condensed liquid wastes formed by reducing the volume of radioactive liquid wastes discharged from a nuclear power plant are efficiently removed in a relatively simply device. That is, the bottom liquid of a condenser is vaporized by heating at about 100degC to conduct condensation. With such a constitution, several % of carbon 14 in the bottom liquid is continuously transferred to the condensed water. Accordingly, when purified water not containing carbon 14 is supplied to the bottom liquid and concentration is applied, the concentration of carbon 14 in the bottom liquid can be reduced remarkably. Further, the removing efficiency of the carbon isotopes can be further improved by blowing air into the condensed liquid wastes, at the same time with supply of purified water for evaporating condensation. (I.S.)
Availability note (English)
Available from JAPIO. Also available from INPADOC.Additional details
Publishing Information
- Imprint Pagination
- 4 p.
- IPC:
- Int. Cl. G21F9/08.
- IPC
- Int. Cl. G21F9/08.
- Patent number
- JP patent document 4-95800/A/
INIS
- Country of Publication
- Japan
- Country of Input or Organization
- Japan
- INIS RN
- 24007769
- Subject category
- S12: MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES;
- Resource subtype / Literary indicator
- Non-conventional Literature
- Descriptors DEI
- CARBON 14; CONDENSATION CHAMBERS; HEAT TREATMENTS; LIQUID WASTES; RADIOACTIVE EFFLUENTS; RADIOACTIVE WASTE PROCESSING; REMOVAL; SEPARATION PROCESSES; WATER CHEMISTRY
- Descriptors DEC
- BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CARBON ISOTOPES; CHEMISTRY; EVEN-EVEN NUCLEI; ISOTOPES; LIGHT NUCLEI; MANAGEMENT; MATERIALS; NUCLEI; RADIOACTIVE MATERIALS; RADIOACTIVE WASTES; RADIOISOTOPES; WASTE MANAGEMENT; WASTE PROCESSING; WASTES; YEARS LIVING RADIOISOTOPES
Optional Information
- Secondary number(s)
- JP patent application 2-207522.