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U.S. Department of Energy
Office of Scientific and Technical Information
 

Applications of bulk measurement techniques for the near-real-time accounting system at the BNFP

Conference ·
OSTI ID:5822758

Nuclear materials accountancy at the Barnwell Nuclear Fuel Plant (BNFP) is based primarily on bulk measurement of aqueous solutions containing uranium, plutonium, and fission products. Since 1973, Allied-General Nuclear Services (AGNS) has been adapting volume measurement and measurement control techniques at the various key measurement points within the plant. Starting in 1977, AGNS has been incorporating these measurement activities into a computerized nuclear materials control and accounting system (CNMCAS). This paper presents the major features of the measurement systems and describes the results of plant-scale testing of the system using unirradiated natural uranium. The results of these tests indicate that total uncertainties of about 0.2% of throughput (2 sigma level) can be achieved for conventional accounting and about 2.0% of hold-up can be achieved for in-process inventory estimates. These results are based on measurement of almost 500 MTU of throughput over 130 operating days.

Research Organization:
Allied-General Nuclear Services, Barnwell, SC (USA)
DOE Contract Number:
AC09-78ET35900
OSTI ID:
5822758
Report Number(s):
AGNS-35900-Conf-163; CONF-811103-64; ON: DE82003978
Country of Publication:
United States
Language:
English

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Related Subjects

050800 -- Nuclear Fuels-- Spent Fuels Reprocessing
055001* -- Nuclear Fuels-- Safeguards
Inspection
& Accountability-- Technical Aspects
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL PROTECTION
ACCOUNTING
ACTINIDES
BARNWELL FUEL PROCESSING PLANT
COMPUTERIZED CONTROL SYSTEMS
CONTROL SYSTEMS
DISPERSIONS
ELEMENTS
FISSION PRODUCTS
FUEL REPROCESSING PLANTS
ISOTOPES
MANAGEMENT
MATERIALS
MEASURING METHODS
METALS
MIXTURES
NUCLEAR FACILITIES
NUCLEAR MATERIALS MANAGEMENT
PLUTONIUM
PROCESS SOLUTIONS
RADIOACTIVE MATERIALS
REAL TIME SYSTEMS
SAFEGUARDS
SOLUTIONS
TRANSURANIUM ELEMENTS
URANIUM
VOLUME