Published November 1981
| Version v1
Report
Chemistry of nuclear waste disposal
Creators
- 1. Kernforschungsanlage Juelich G.m.b.H. (Germany, F.R.). Inst. fuer Chemische Technologie
Description
In extractive purification of the low-enriched uranium fuel element (UO2-particle fuel element with SiC coating) no problems arise in the PUREX-process which have not already been solved when reprocessing LWR-type reactor and breeder fuel elements. Concerning the HTR-type reactor fuel elements containing thorium, there are two process cycles behind the head end; the pure U-235 is reprocessed in the same manner as the low-enriched uranium fuel, and the thorium, which is the bigger fraction, is reprocessed together with U-233 in the same manner as the mixed oxides. Only the CO2-off gas system, which contains krypton and carbon 14, leads to difficulties in nuclear waste disposal. (DG)
Abstract (German)
Bei der extraktiven Reinigung des LEU-Brennstoffs (UO2-Partikel-BE mit SiC-Schichtung) treten keine Probleme beim PUREX-Prozess auf, die nicht schon bei der Wiederaufarbeitung von LWR- und Brueterbrennstoffen geloest worden sind. Bei Th-haltigen HTR-Brennstoffen ergeben sich nach dem Verbrennungs-Head-End zwei Prozessstroeme, wovon der reine U-235-Strom wie der LEU-Brennstoff und der groessere Th-Strom mit dem U-233 wie die Mischoxide wiederaufarbeitet werden. Schwierigkeiten bei der Entsorgung bereiten nur der Kr und C-14 enthaltende CO2-Abgasstrom. (DG)Additional details
Additional titles
- Original title (German)
- Chemie der Entsorgung
Publishing Information
- Imprint Title
- Chemistry of the high-temperature reactor
- Imprint Pagination
- 131 p.
- Journal Page Range
- p. 123-131.
- Report number
- Juel-Conf--43
Conference
- Title
- Seminar of the KTG-expert group 'chemistry and nuclear waste disposal' and the KFA Juelich.
- Dates
- 5 Nov 1981.
- Place
- Juelich (Germany, F.R.).
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 14719018
- Subject category
- S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS; S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- CHEMISTRY; HTGR TYPE REACTORS; OFF-GAS SYSTEMS; REPROCESSING; THORIUM CYCLE
- Descriptors DEC
- FUEL CYCLE; GAS COOLED REACTORS; GRAPHITE MODERATED REACTORS; REACTORS; SEPARATION PROCESSES
Optional Information
- Notes
- Imprint:Chemie des Hochtemperaturreaktors.;Vortraege.