Management of waste cladding hulls. Part II. An assessment of zirconium pyrophoricity and recommendations for handling waste hulls
This report reviews experience and research related to the pyrophoricity of zirconium and zirconium alloys. The results of recent investigations of the behavior of Zircaloy and some observations of industrial handling and treatment of Zircaloy tubing and scrap are also discussed. A model for the management of waste Zircaloy cladding hulls from light water reactor fuel reprocessing is offered, based on an evaluation of the reviewed information. It is concluded that waste Zircaloy cladding hulls do not constitute a pyrophoric hazard if, following the model flow sheet, finely divided metal is oxidized during the management procedure. Steps alternative to the model are described which yield zirconium in deactivated form and also accomplish varying degrees of transuranic decontamination. Information collected into appendixes is (1) a collation of zirconium pyrophoricity data from the literature, (2) calculated radioactivity contents in Zircaloy cladding hulls from spent LWR fuels, and (3) results of a laboratory study on volatilization of zirconium from Zircaloy using HCl or Cl/sub 2/.
- Research Organization:
- Argonne National Lab., Ill. (USA)
- Sponsoring Organization:
- US Energy Research and Development Administration (ERDA)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5203818
- Report Number(s):
- ANL-77-63
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
050800* -- Nuclear Fuels-- Spent Fuels Reprocessing
052000 -- Nuclear Fuels-- Waste Management
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ALLOYS
DECLADDING
FUEL CANS
FUEL CYCLE
FUEL ELEMENTS
HAZARDS
HEAD END PROCESSES
IGNITION
MANAGEMENT
RADIOACTIVE WASTE MANAGEMENT
REACTOR COMPONENTS
REACTORS
REPROCESSING
SEPARATION PROCESSES
SPENT FUEL ELEMENTS
TIN ALLOYS
WASTE MANAGEMENT
WATER COOLED REACTORS
ZIRCALOY
ZIRCONIUM ALLOYS
ZIRCONIUM BASE ALLOYS
052000 -- Nuclear Fuels-- Waste Management
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
ALLOYS
DECLADDING
FUEL CANS
FUEL CYCLE
FUEL ELEMENTS
HAZARDS
HEAD END PROCESSES
IGNITION
MANAGEMENT
RADIOACTIVE WASTE MANAGEMENT
REACTOR COMPONENTS
REACTORS
REPROCESSING
SEPARATION PROCESSES
SPENT FUEL ELEMENTS
TIN ALLOYS
WASTE MANAGEMENT
WATER COOLED REACTORS
ZIRCALOY
ZIRCONIUM ALLOYS
ZIRCONIUM BASE ALLOYS