Direct conversion of spent fuel to High-Level-Waste (HLW) glass (open access)

Direct conversion of spent fuel to High-Level-Waste (HLW) glass

The Glass Material Oxidation and Dissolution System (GMODS) is a recently invented process for the direct, single-step conversion of spent nuclear fuel (SNF) to high-level waste (HLW) glass. GMODS converts metals, ceramics, organics, and amorphous solids to glass in a single step. Conventional vitrification technology can not accept feeds containing metals or carbon. The GMODS has the potential to solve several issues associated with the disposal of various US Department of Energy (DOE) miscellaneous SNFs: (1) chemical forms unacceptable for repository disposal; (2) high cost of qualifying small quantities of particular SNFs for disposal; (3) limitations imposed by high-enriched SNF in a repository because of criticality and safeguards issues; and (4) classified design information. Conversion of such SNFs to glass eliminates these concerns. A description of the GMODS, {open_quotes}strawman{close_quotes} product criteria, experimental work to date, and product characteristics are included herein.
Date: September 20, 1994
Creator: Forsberg, C. W.; Beahm, E. C.; Parker, G. W. & Rudolph, J.
Object Type: Article
System: The UNT Digital Library
Project B610 process control configuration acceptance test procedure (open access)

Project B610 process control configuration acceptance test procedure

The purpose of this test is to verify the Westinghouse configuration of the MICON A/S Distributed Control System for project B610. The following will be verified: proper assignment and operation of all field inputs to and outputs from the MICON Termination panels; proper operation of all display data on the operator`s console; proper operation of all required alarms; and proper operation of all required interlocks. The MICON A/S control system is configured to replace all the control, indication, and alarm panels now located in the Power Control Room. Nine systems are covered by this control configuration, 2736-ZB HVAC, 234-5Z HVAC, Process Vacuum, Dry Air, 291-Z Closed Loop Cooling, Building Accelerometer, Evacuation Siren, Stack CAMs, and Fire. The 2736-ZB HVAC system consists of the ventilation controls for 2736-ZB and 2736-Z as well as alarms for the emergency generators and 232-Z. The 234-5Z HVAC system is the ventilation controls for 235-5Z and 236-Z buildings. Process Vacuum covers the controls for the 26 inch vacuum system. Dry Air covers the controls for the steam and electric air dryers. The 291-Z Closed Loop Cooling system consists of the status indications and alarms for the 291-Z compressor and vacuum pump closed loop cooling system. The …
Date: September 20, 1994
Creator: Silvan, G. R.
Object Type: Report
System: The UNT Digital Library
CSAR 81-001 addendum 2: Use of a plexiglass contamination barrier in HC-227-T (open access)

CSAR 81-001 addendum 2: Use of a plexiglass contamination barrier in HC-227-T

Plutonium Finish Plant (PFP) Engineering requested a criticality safety evaluation (Appendix 1) to support a revision of Criticality Prevention Specification CPS-Z-165-80601 allowing a plexiglass enclosure (PGE) to be placed inside the HC-227T hood as a contamination barrier. The HC-227T hood is the receiving/transfer enclosure for Pu nitrate solution contained in Product Removal containers (PR Cans), L10 Containers (L10, Fl-10, 10 L) or L-3 Containers. Within the HC-227T, a 1.349 square meter (15 square foot) enclosure, PGE, has been created to provide contamination control around the weighing scale. Two or more standard criticality drains shall be installed on this enclosure prior to beneficial usage. The evaluation considered the normal process, spillage scenarios, waste/container accumulations within the enclosure, and interactions of Pu within the enclosure as well as other containers external to the enclosure. The results from the criticality safety analysis by CRA shows that such as contamination barrier can be placed inside the HC-227T Hood if the PGE is equipped with adequate criticality drains. In addition, other limits as well as administrative controls listed in CPS-Z-165-80601 Rev./Mod. B/0 and CPS-Z-165-80010 Rev./Mod. C/1 shall also apply.
Date: September 20, 1994
Creator: Chiao, T.
Object Type: Report
System: The UNT Digital Library
Engineering study: 105KE to 105KW Basin fuel and sludge transfer. Final report (open access)

Engineering study: 105KE to 105KW Basin fuel and sludge transfer. Final report

In the last five years, there have been three periods at the 105KE fuel storage basin (KE Basin) where the reported drawdown test rates were in excess of 25 gph. Drawdown rates in excess of this amount have been used during past operations as the primary indicators of leaks in the basin. The latest leak occurred in March, 1993. The reported water loss from the KE Basin was estimated at 25 gph. This engineering study was performed to identify and recommend the most feasible and practical method of transferring canisters of irradiated fuel and basin sludge from the KE Basin to the 105KW fuel storage basin (KW Basin). Six alternatives were identified during the performance of this study as possible methods for transferring the fuel and sludge from the KE Basin to the KW Basin. These methods were then assessed with regard to operations, safety, radiation exposure, packaging, environmental concerns, waste management, cost, and schedule; and the most feasible and practical methods of transfer were identified. The methods examined in detail in this study were based on shipment without cooling water except where noted: Transfer by rail using the previously used transfer system and water cooling; Transfer by rail using …
Date: September 20, 1994
Creator: Gant, R. G.
Object Type: Report
System: The UNT Digital Library
Strongly driven ion acoustic waves in laser produced plasmas (open access)

Strongly driven ion acoustic waves in laser produced plasmas

This paper present an experimental study of ion acoustic waves with wavenumbers corresponding to stimulated Brillouin scattering. Time resolved Thomson scattering in frequency and wavenumber space, has permitted to observe the dispersion relation of the waves as a function of the laser intensity. Apart from observing ion acoustic waves associated with a strong second component is observed at laser intensities above 10{sup 13}Wcm{sup {minus}2}.
Date: September 20, 1994
Creator: Baldis, H. A.; Labaune, C. & Renard, N.
Object Type: Article
System: The UNT Digital Library
NIF target fill, transport and insertion cryostat (open access)

NIF target fill, transport and insertion cryostat

A cryostat to support the fielding of a cryogenic target within the NIF is described. The present design is predicated upon fuel layer symmetry being achieved with the {beta} layering process and modifications needed for other fuel symmetrization processes are discussed. These include the vertically differentially heated capsule with a uniform liquid layer stabilized by a surface tension gradient, foam supported liquid layers and solid D{sub 2} or HD layers symmetrized by bulk irradiation from a laser source. The cold sinks to be incorporated in these techniques could, in principal, be cooled with the high pressure helium envisioned for the heat sink rings of the present design. Supplementary laser access would be provided for differential heating of the capsule for surface tension gradient stabilization of a liquid layer or bulk heating of a solid layer. The cryostat in each of these cases would look substantially the same as in the present case with the only significant differences being in the details of the design in the immediate vicinity of the target.
Date: September 20, 1994
Creator: Warren, R.
Object Type: Report
System: The UNT Digital Library
Statistical characterization report for single-shell tank 241-T-111 (open access)

Statistical characterization report for single-shell tank 241-T-111

This report contains the results of the statistical analysis of data from two core samples obtained from single-shell tank 241-T-111 (T-111). Section 2.0 contains a description of the core samples and the chemical analyses performed on the core samples. Section 3.0 contains mean concentration estimates and associated 95% confidence intervals (CIs) on the mean for each of the analytes found in the core samples from T-111. Section 4.0 contains estimates of the spatial variability (variability between cores) and estimates of the analytical variability from the core composite data. Two types of analytical variability were estimated from the core composite data: (1) sample composite variability (variability between composite samples within the same core) and (2) analytical measurement variability (variability between the primary and duplicate analyses within each core composite sample). Estimates of the analytical measurement variability were used as the reference value to test the significance of the spatial and sample composite variability. Spatial variability was significantly different from zero for 39 out of 85 analytes. The sample composite variance was significantly different from zero for (a different) 39 out of the 85 analytes.
Date: September 20, 1994
Creator: Cromar, R. D. & Wilmarth, S. R.
Object Type: Report
System: The UNT Digital Library
Usability testing of the human-machine interface for the Light Duty Utility Arm System (open access)

Usability testing of the human-machine interface for the Light Duty Utility Arm System

This report describes the usability testing that has been done for the control and data acquisition system for the Light Duty Utility Arm (LDUA) System. A program of usability testing has been established as a part of a process for making the LDUA as easy to use as possible. The LDUA System is being designed to deploy a family of tools, called End Effectors, into underground storage tanks by means of a robotic arm on the end of a telescoping mast, and to collect and manage the data that they generate. The LDUA System uses a vertical positioning mast, to lower the arm into a tank through an existing 30.5 cm access riser. A Mobile Deployment Subsystem is used to position the mast and arm over a tank riser for deployment, and to transport them from tank to tank. The LDUA System has many ancillary subsystems including the Operations Control Trailer, the Tank Riser Interface and Confinement Subsystem, the Decontamination Subsystem, and the End Effector Exchange Subsystem. This work resulted in the identification of several important improvements to the LDUA control and data acquisition system before the design was frozen. The most important of these were color coding of joints …
Date: September 20, 1994
Creator: Kiebel, G. R.; Ellis, J. E. & Masliah, M. R.
Object Type: Report
System: The UNT Digital Library
Statistical characterization report for single-shell tank 241-T-105 (open access)

Statistical characterization report for single-shell tank 241-T-105

This report contains the results of the statistical analysis of data from the solid material found in the first segment of two core samples obtained from single-shell tank 241-T-105 (T-105). Section 2.0 contains a description of the core samples and the chemical analyses done on the core samples. Section 3.0 contains mean concentration estimates and associated 95% confidence intervals (CIs) on the mean for each of the analytes in T-105. Section 4.0 contains estimates of the spatial variability (variability between cores) and estimates of the analytical variability. Estimates of the analytical measurement variability were used as the reference value to test the significance of the spatial variability. The spatial variability was significantly different from zero for 49 out of 71 analytes in T-105.
Date: September 20, 1994
Creator: Cromar, R. D. & Wilmarth, S. R.
Object Type: Report
System: The UNT Digital Library
105KE and 105KW Basins fuel and sludge consolidation study, summary report (open access)

105KE and 105KW Basins fuel and sludge consolidation study, summary report

This study is a summary report that examines and evaluates the feasibility of consolidating irradiated fuel and sludge currently in KE Basin with that in the KW Basin. This study was conducted in support of TPA Milestone (target date) M-34-00-T03. The report summarizes three supporting engineering studies involving: (1) spent fuel consolidation into the single basin, (2) transport of the encapsulated fuel between KE and KW Basins, and (3) dispositioning contaminated water remaining in KE Basin. From the three reports, and preferred storage method, transfer method and water disposition method were defined. These consolidation methods were then evaluated against the no action alternative of continued storage using both KE and KW Basins. The report concluded that the fuel and sludge currently stored in KE Basin not be consolidated in the KW Basin, primarily due to increased cost and radiation exposure required to consolidate the fuel and sludge. Consolidation is more attractive for storage periods beyond the year 2002, which is the study period of the report.
Date: September 20, 1994
Creator: Gant, R. G.
Object Type: Report
System: The UNT Digital Library
Project Management Plan (PMP), W-364, 209E septic system upgrade, 200 East Area (open access)

Project Management Plan (PMP), W-364, 209E septic system upgrade, 200 East Area

The document is the Project Management Plan (PMP) of the design and installation of the 209E Septic System Upgrade.
Date: September 20, 1994
Creator: Lott, D. T.
Object Type: Report
System: The UNT Digital Library
Collective Instabilities in RHIC (open access)

Collective Instabilities in RHIC

This describes Collective Instabilities in RHIC.
Date: September 20, 1994
Creator: Blaskiewicz, M.; Deng, D. P.; MacKay, W. W.; Mane, V.; Peggs, S.; Ratti, A. et al.
Object Type: Report
System: The UNT Digital Library
In-Tank Precipitation (ITP) Structures Summary Report (open access)

In-Tank Precipitation (ITP) Structures Summary Report

This report summarized the results of structural evaluations conducted for the three high-level waste storage tanks, filtration building, and four above ground transfer lines associated with the ITP facility. The evaluations are performed to assure that demands resulting from normal operating and natural phenomena hazard loads do not exceed the structural capacities when evaluated to current criteria and the revised usage classifications.
Date: September 20, 1994
Creator: Houston, T.; Mertz, G. E.; Flanders, H. E.; Estochen, E. G.; Baldwin, G. R.; Rieck, P. J. et al.
Object Type: Report
System: The UNT Digital Library
The new ozone monitor. Final report (open access)

The new ozone monitor. Final report

This report describes the development of an invention for measuring the concentration of ozone by measuring the heat evolved when the ozone is catalyzed and converted back to oxygen. This ozone monitor evolved through a number of prototype as described in the final report. The final instrument is accurate, reliable and can be installed as a part of a control system. This instrument can be built and calibrated for any necessary specific ozone concentration range. This instrument uses inexpensive parts and would be simple to maintain. the manufacturing cost is less than any equally reliable and accurate ozone monitor presently available. The advantage this system has is that the ozone is directly measured as the temperature of the catalyst. It does not need UV lamps (which continually degrade in use and have a variable life) or use any chemistry where a material is continuously used up. This new ozone monitor directly measures the heat that is generated from the ozone as it converts back into oxygen as the gas mixture flows through the catalyst. The catalyst has theocratically an infinite life. It can clog if the system it is installed in, is dusty. But in systems that produce ozone, it …
Date: September 20, 1994
Creator: Karlson, E.L.
Object Type: Report
System: The UNT Digital Library