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Criticality Safety Aspects of K-25 Building Uranium Deposit Removal

Conference ·
OSTI ID:42359
 [1];  [1];  [2];  [2]
  1. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
  2. Oak Ridge Gaseous Diffusion Plant (K-25), Oak Ridge, TN (United States)
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The K-25 Building of the Oak Ridge Gaseous Diffusion Plant (now the K-25 Site) went into operation during World War II as the first large scale production plant to separate 235U from uranium by the gaseous diffusion process. It operated successfully until 1964, when it was placed in a stand-by mode. The Department of Energy has initiated a decontamination and decommissioning program. The primary objective of the Deposit Removal (DR) Project is to improve the nuclear criticality safety of the K-25 Building by removing enriched uranium deposits from unfavorable-geometry process equipment to below minimum critical mass. The method utilized to accomplish this are detailed in this report.

Research Organization:
Oak Ridge Gaseous Diffusion Plant (K-25), Oak Ridge, TN (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP)
DOE Contract Number:
AC05-84OT21400
OSTI ID:
42359
Report Number(s):
CONF-950601--1; ON: DE95003445
Country of Publication:
United States
Language:
English

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Related Subjects

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
42 ENGINEERING
ACCIDENTS
CRITICAL MASS
CRITICALITY
DEPOSITS
Deposit Removal (DR) Project
ENRICHED URANIUM
Methods
Nuclear Criticality Safety Program (NCSP)
ORGDP
REMOVAL
SAFETY
URANIUM 235