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Hot cell studies of tritium removal from and dissolution of an irradiated thoria fuel

Description: Tritium removal and dissolution studies on an irradiated thoria-based fuel were conducted in the High Level Caves at the Savannah River Laboratory (SRL). The objectives of these studies were to define the effects of key process-related parameters on tritium evolution and subsequent dissolution. The test program at SRL determined the effects on tritium removal of particle size, heating temperature, oxidation, and agitation. ThO/sub 2//UO/sub 2/ (95%/5%) fuel from the Elk River Reactor, irradiate… more
Date: January 1, 1980
Creator: Pickett, J.B.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Preparation of curium-americium oxide microspheres by resin-bead loading

Description: Resin-bead loading and calcination techniques have been used to produce all curium and americium oxide feed material (about 2.2 kg) for HFIR targets since 1971. The process based on Dowex 50W resin has progressed from a series of test runs, through special production runs, into routine production in permanent equipment beginning in 1975. Key attributes of this process are its reliability, high yields, and ease of operation. The process is suited for remote operation in hot cells. Yields approac… more
Date: January 1, 1980
Creator: Chattin, F. R.; Benker, D. E.; Lloyd, M. H.; Orr, P. B.; Ross, R. G. & Wiggins, J. T.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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HOT CELL DEMONSTRATION OF ZIRFLEX AND SULFEX PROCESSES. Report No. 3

Description: ABS>Hot cell demonstration of the Zirflex decladding process coupled with a modified Purex solvent extraction process was completed using specimens of Zircaloy-clad UO/sub 2/ irradiated to levels of 6150-14,600 Mwd/TU. Soluble losses of uranium and plutonium to the decladding solutions were about 0.05%. Centrifugation of the decladding solution is probably necessary to remove up to 1% of the UO/sub 2/ present as fines resulting from the fracture of low (93 to 95%) density pellets; high (96%) de… more
Date: May 14, 1962
Creator: Goode, J.H. & Baillie, M.G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Consolidated fuel-reprocessing program. Progress report, April 1-June 30, 1982

Description: Highlights of progress accomplished during the quarter ending June 30, 1982 are summarized. Discussion is presented under the headings: Process development; Laboratory R and D; Engineering research; Engineering systems; Integrated equipment test facility operation; Instrument development; and HTGR fuel reprocessing.
Date: September 1, 1982
Creator: Burch, W D
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Los Alamos upgrade in metallographic capabilities

Description: The Los Alamos Wing 9 Hot Cell Facility is in the process of upgrading their metallographic sample preparation and examination capability. The present capability to grind, polish and etch samples from reactor fuels and materials has been in operation for 18 years. Macro photography and alpha and beta-gamma autoradiography are an important part of this capability. Some of the fast breeder reactor experiments have contained sodium as a coolant. Therefore, the capability to distill sodium from som… more
Date: January 1, 1985
Creator: Ledbetter, J. M.; Dowler, K. E. & Cook, J. H.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Neutron radiography at the NRAD facility

Description: The NRAD facility uses a 150 kW TRIGA reactor as a source of neutrons and is integrated with a hot cell such that highly radioactive specimens can be radiographed without removing them from the hot cell environment. A second beam tube is located in a separate shielded addition to HFEF and permits neutron radiography of irradiated or unirradiated specimens without subjecting them to the alpha-contaminated hot cell environment. Both beams are optimized for neutron radiography of highly radioactiv… more
Date: January 1, 1984
Creator: McClellan, G.C. & Richards, W.J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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New Hot Laboratory Facilities at Los Alamos

Description: New Hot Laboratory Facilities which support three major research programs directed by the Los Alamos Scientific Laboratory of the University of California are described. For the Nuclear Rocket Propulsion Program, a hot cell addition to the Radio Chemistry Building at Los Alamos will be completed early in 1963, and construction is expected to start soon on the hot cell addition to the Maintenance, Assembly and Disassembly Building at the Nuclear Rocket Development Station in Nevada. Integral hot… more
Date: January 1, 1962
Creator: Wherritt, Charles R.; Franke, Paul R.; Field, R. E. & Lyle, A. R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Decontamination of Cells 6 and 7, Building 3019, Following Plutonium- Release Incident

Description: As a result of the evaporation explosion in the Radiochemical Processing Pilot Plant on Nov. 20, 1959, two cells were contaminated with plutonium to a transferable level of 10/sup 8/ d/m/100 sq cm. The area involved measures 40 by 20 by 27 ft high with a total surface area, including equipment, of 10,000 sq ft. The cells were decontaminated by a factor of 1000 in five months by removing loose equipment, debris, and shielding blocks and flushing with 430,600 liters of various decontaminating rea… more
Date: September 11, 1961
Creator: Parrott, J.R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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A versatile apparatus for studying irradiated fuel behavior

Description: A computer-controlled furnace system in the Alpha-Gamma Hot Cell Facility (ACHCF) at the Argonne National Laboratory in Illinois is being used to investigate the behavior of irradiated fuel materials under a variety of thermal conditions. The Fuel Behavior Test Apparatus (FBTA) is capable of accurate specimen temperature control over extended periods at temperatures up to {approximately}1000{degree}C, with short-term capability up to 1600{degree}C. The principal current use of the FBTA is to st… more
Date: September 1, 1989
Creator: Tsai, Hanchung.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Innovations in Los Alamos alpha box design

Description: Destructive examinations of irradiated fuel pins containing plutonium fuel must be performed in shielded hot cells with strict provisions for containing the plutonium. Alpha boxes provide containment for the plutonium, toxic fission products, and other hazardous highly radioactive materials. The alpha box contains windows for viewing and a variety of transfer systems specially designed to allow transfers in and out of the alpha box without spread of the hazardous materials that are contained in… more
Date: January 1, 1985
Creator: Ledbetter, J. M.; Dowler, K. E. & Cook, J. H.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Hot-cell design considerations for interfacing eddy-current systems

Description: The Hot Fuel Examination Facility/North conducts remote eddy-current examination of irradiated fuel elements. Applications include cladding breach detection and irradiation-induced ferrite examination. The seccussful use of remote eddy-current techniques is achieved by applying basic test parameters and interfacing considerations. These include impedance matching, operating frequency, and feedthrough considerations.
Date: January 1, 1985
Creator: Franklin, E. M.; Webb, J. P. & Larson, J. M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Shielded cells transfer automation

Description: Nuclear waste from shielded cells is removed, packaged, and transferred manually in many nuclear facilities. Radiation exposure is absorbed by operators during these operations and limited only through procedural controls. Technological advances in automation using robotics have allowed a production waste removal operation to be automated to reduce radiation exposure. The robotic system bags waste containers out of glove box and transfers them to a shielded container. Operators control the syst… more
Date: January 1, 1984
Creator: Fisher, J J
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Remote equipment technology. Final report for GFY 1880

Description: An interactive graphics terminal and a desk-top computer were utilized to perform a Computer Aided Remote Maintenance simulation of a hypothetical equipment item. The equipment item included an electrical connection, hydraulic fitting, and simple bolt pattern which were maintained by remote manipulators during the simulation. These remote maintenance operations demonstrated that the Computer Aided Remote Maintenance simulation technology could be extended to complex equipment items. As a result… more
Date: September 1, 1980
Creator: Wadekamper, D. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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HOT CELL DEMONSTRATION OF ZIRFLEX AND SULFEX PROCESSES. Report No. 1

Description: Four runs were conducted in the Zirflex-Sulfex headend hot cell equipment. Prototype PWR blanket rods, Zircaloy2 clad UO/sub 2/, irradiated from 159 to 356 Mwd/t and decayed 2 years, were declad in boiling 6 M NH/sub 4/F-l M NH/sub 4/NO/sub 3/, terminating with a F/Zr mol ratio of 7 in the spent decladding solution. Average decladding time was 1.5 hr, leaving end cap residues of about 5 g per pin. At the end of the decladding, maximum loss of uranium and plutonium to the decladding solution was… more
Date: January 11, 1962
Creator: Goode, J.H. & Baillie, M.G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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MARITIME GAS-COOLED REACTOR PROGRAM QUARTERLY PROGRESS REPORT FOR PERIOD ENDING, SEPTEMBER 30, 1960

Description: The feasibility was studied and a cost estimate prepared of an experimental reactor to determine the operating characteristics of beryllia- moderated, gas-cooled systems wtthin a power limit of 10 Mw(t). The heat energy produced by the experimental reactor is to be dissipated in a heat dump. No machinery for production of power was to be provided. Other requirements were that the reactor should be capable of testing core types different from the current MGCR design, and the system should permit… more
Date: September 30, 1960
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Design features of the laboratory-scale radiochemical immobilization system

Description: Under the High-Level Waste Immobilization Program, the Pacific Northwest Laboratory (PNL) is studying various ways to solidify high-level nuclear wastes. A variety of waste forms and processes are being investigated, with the most highly developed process being spray calcination coupled with in-can melting. This report describes a remote laboratory-scale system that was designed for the purpose of investigating the effects of different operating conditions and waste compositions on the product … more
Date: May 1, 1980
Creator: Hanson, M.S.; Knox, C.A. & Berger, D.N.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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RADIOISOTOPE TECHNIQUES FOR CHEMICAL, PHYSICAL, AND INDUSTRIAL APPLICATIONS

Description: A laboratory manual is given consisting of 14 experiments designed to teach some of the basic fundamentals of the application of radioisotopes, and to introduce the principles of radioisotope technology. The majority of the experiments, while designed to be practical, are planned for scientists having little background in radiochemical and radioisotopc technology, and the remainder are outlined for more advanced personnel. The experiments include isotope production, sample preparation and half … more
Date: September 1, 1961
Creator: Cassell, A.J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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ORNL shielded facilities capable of remote handling of highly radioactive beta--gamma emitting materials

Description: A survey of ORNL facilities having adequate shielding and containment for the remote handling of experimental quantities of highly radioactive beta-gamma emitting materials is summarized. Portions of the detailed descriptions of these facilities previously published in ORNL/TM-1268 are still valid and are repeated.
Date: September 1, 1977
Creator: Whitson, W. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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SNAP Programs. Quarterly Progress Report No. 6, January 1 through March 31, 1961. Task 6. Fuel Technology Development Program

Description: Isotope power sources are being developed for use in thermionic and thermoelectric power generators for space applications. Suitable radioisotope fuels and heat source containment capsules are being designed for SNAP-type generators with land, sea and space applications. Curium242 and Plutonium-238 are currently being investigated, and methods for purification, compound conversion and fuel form are being established. A Heavy Elements Processing Facility capable of handling and preparing gram qu… more
Date: October 31, 1962
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Radioactive hot-cell access-hole decontamination machine

Description: A radioactive hot cell access hole decontamination machine is disclosed. A mobile housing has an opening large enough to encircle the access hole and has a shielding door, with a door opening and closing mechanism, for uncovering and covering the opening. The housing contains a shaft which has an apparatus for rotating the shaft and a device for independently translating the shaft from the housing through the opening and access hole into the hot cell chamber. A properly sized cylindrical pig co… more
Date: April 6, 1981
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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Apparatus for dynamic measurement of gases released from materials heated under programmed temperature-time control

Description: This apparatus, a prototype of one being constructed for hotcell examination of irradiated nuclear materials, measures dynamic release rates and integrated volumes of individual gases from materials heated under controlled temperature-time programs. It consists of an inductively heated vacuum furnace connected to a quadrupole mass spectrometer. A computerized control system with data acquisition provides scanning rates down to 1s and on-line tabular and graphic displays. Heating rates are up to… more
Date: April 1, 1982
Creator: Early, J.W. & Abernathey, R.M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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