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CsAlSi/sub 5/O/sub 12/: a possible host for /sup 137/Cs immobilization
CsAlSi/sub 5/O/sub 12/ exhibits more acid resistance than pollucite (CsAlSi/sub 2/O/sub 6/). At pH values of 1.02 and 1.40, the extraction of Cs from CsAlSi/sub 5/O/sub 12/ at 25/sup 0/C was approximately proportional to the square root of leach time. The Cs extraction at 25/sup 0/C varied as (H/sup +/)/sup 0/ /sup 36/ over the pH range of 1 to 6. Also, the Cs extraction in various brines at 300/sup 0/C/30 MPa was comparable with that for pollucite. CsAlSi/sub 5/O/sub 12/ can be crystallized at about 1000/sup 0/C from calcines if a small amount of CaO is present, but in the absence of such sintering acids, crystallization temperatures of about 1400/sup 0/C are necessary. Compatibility data were also obtained with respect to several other phases with which CsAlSi/sub 5/O/sub 12/ might be expected to coexist in tailored ceramics designed for high-level defense waste.
Date:
March 31, 1982
Creator:
Adl, T. & Vance, E.R.
Object Type:
Report
System:
The UNT Digital Library
Assessment of underground coal gasification in bituminous coals: catalog of bituminous coals and site selection. Appendix A. National coal resource data system: Ecoal, Wcoal, and Bmalyt. Final report, Phase I. [Bituminous coal; by state; coal seam depth and thickness; identification]
Appendix A is a catalog of the bituminous coal in 29 states of the contiguous United States which contain identified bituminous coal resources.
Date:
January 31, 1982
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
National forecast for geothermal resource exploration and development with techniques for policy analysis and resource assessment
The backgrund, structure and use of modern forecasting methods for estimating the future development of geothermal energy in the United States are documented. The forecasting instrument may be divided into two sequential submodels. The first predicts the timing and quality of future geothermal resource discoveries from an underlying resource base. This resource base represents an expansion of the widely-publicized USGS Circular 790. The second submodel forecasts the rate and extent of utilization of geothermal resource discoveries. It is based on the joint investment behavior of resource developers and potential users as statistically determined from extensive industry interviews. It is concluded that geothermal resource development, especially for electric power development, will play an increasingly significant role in meeting US energy demands over the next 2 decades. Depending on the extent of R and D achievements in related areas of geosciences and technology, expected geothermal power development will reach between 7700 and 17300 Mwe by the year 2000. This represents between 8 and 18% of the expected electric energy demand (GWh) in western and northwestern states.
Date:
March 31, 1982
Creator:
Cassel, T. A. V.; Shimamoto, G. T.; Amundsen, C. B.; Blair, P. D.; Finan, W. F.; Smith, M. R. et al.
Object Type:
Report
System:
The UNT Digital Library
Assessment of underground coal gasification in bituminous coals: potential UCG products and markets. Final report, Phase I
The following conclusions were drawn from the study: (1) The US will continue to require new sources of energy fuels and substitutes for petrochemical feedstocks into the foreseeable future. Most of this requirement will be met using coal. However, the cost of mining, transporting, cleaning, and preparing coal, disposing of ash or slag and scrubbing stack gases continues to rise; particularly, in the Eastern US where the need is greatest. UCG avoids these pitfalls and, as such, should be considered a viable alternative to the mining of deeper coals. (2) Of the two possible product gases LBG and MBG, MBG is the most versatile. (3) The most logical use for UCG product in the Eastern US is to generate power on-site using a combined-cycle or co-generation system. Either low or medium Btu gas (LBG or MBG) can be used. (4) UCG should be an option whenever surface gasification is considered; particularly, in areas where deeper, higher sulfur coal is located. (5) There are environmental and social benefits to use of UCG over surface gasification in the Eastern US. (6) A site could be chosen almost anywhere in the Illinois and Ohio area where amenable UCG coal has been determined due …
Date:
January 31, 1982
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Stability of ceramic waste forms in potential repository environments: a review
Most scenarios for geologic disposal of high-level nuclear waste include the eventual intrusion of groundwater into the repository. Reactions in the system and eventual release of the radionuclides, if any, will be controlled by the chemistry of the groundwater, the surrounding rock, the waste form, and any engineered barrier materials that are present, as well as by the temperature and pressure of the system. This report is a compilation and evaluation of the work completed to date on interactions within the waste-form/host-rock/groundwater system at various points in its lifetime. General results from leaching experiments are presented as a basis for comparison. The factors involved in studying the complete system are discussed so that future research may avoid some of the oversights of past research. Although relatively little hard data on prototype waste-form/repository-system interactions exist at this time, the available data and their implications are discussed. Sorption studies and models for predicting radionuclide migration are also presented, again with a study of the factors involved.
Date:
March 31, 1982
Creator:
Johnston, R. J. & Palmer, R. A.
Object Type:
Report
System:
The UNT Digital Library
Scattering of waves from a staggered difference scheme on a variable grid
We show experimentally that for a staggered scheme on a variable grid the numerical solution of the wave equation exhibits scattering of waves even when the grid varies slowly and the waves are smooth. We also show that this scattering is predicted very well by a modified equation, which thus serves as a backward error analysis.
Date:
March 31, 1982
Creator:
Chin, R.C.Y. & Hedstrom, G.W.
Object Type:
Article
System:
The UNT Digital Library
Trace-metal characterization and speciation in geothermal effluent by multiple-scanning anodic-stripping voltammetry and atomic-absorption analysis. Final report
The in-field sampling equipment constructed, procedures developed or adapted, and the results obtained on representative samples taken from geothermal sites are described.
Date:
December 31, 1982
Creator:
Kowalski, B.R.
Object Type:
Report
System:
The UNT Digital Library
Imperial County geothermal development. Quarterly report, January 1-March 31, 1982
The activities of the Geothermal Office are reported including: important geothermal events, geothermal waste disposal, grant applications to the California Energy Commission, the planned geothermal development meeting, and other geothermal planning activities. The activities of the Geothermal Planner include processing of applications for geothermal permits, processing of environmental impact reports, and other geothermal planning activities. The progress on the VTN Corporation direct heat study is discussed.
Date:
March 31, 1982
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Fluorescent scattering by molecules embedded in small particles. Progress report, February 1, 1981-January 31, 1982
In earlier work a model of fluorescent and Raman scattering by active molecules represented as classical electric dipoles embedded in small particles was developed. The intensity and angular distribution of the inelastically scattered radiation was shown to depend on the geometric and optical properties of the particle. The model was originally developed for particles having spherical shape and later extended to concentric spheres, cylinders, and prolate spheroids. The active molecules were originally assumed to be isotropically polarizable. The model has been recently extended to certain types of anisotropically polarizable molecules. The model had also been applied to particles having internal structure.
Date:
January 31, 1982
Creator:
Chew, H. & McNulty, P.J.
Object Type:
Article
System:
The UNT Digital Library
Hydraulic testing of simulated DWPF waste slurries at the Georgia Iron Works Hydraulic Laboratory
Pipeline tests of current simulations of Defense Waste Processing Facility (DWPF) waste slurries were performed during August 1982 at the Georgia Iron Works Hydraulic Laboratory (GIW). Measurements of pressure gradient versus flow in 3-inch pipes and fittings were made for various concentrations of unformated sludge and formated sludge with frit. All slurries were shown to behave generally as Bingham Plastic fluids. Formated sludge/frit slurries behaved generally like unformated sludge slurries of comparable yield stress. No frit settling problems were observed. 8 refs., 16 figs., 6 tabs.
Date:
December 31, 1982
Creator:
Lewis, D.P.
Object Type:
Report
System:
The UNT Digital Library
Value of the energy data base
An assessment was made of the Energy Data Base (EDB) of the Department of Energy's Technical Information Center (TIC). As the major resource containing access information to the world's energy literature, EDB products and services are used extensively by energy researchers to identify journal articles, technical reports and other items of potential utility in their work. The approach taken to assessing value begins with the measurement of extent of use of the EDB. Apparent value is measured in terms of willingness to pay. Consequential value is measured in terms of effect - for searching, the cost of reading which results; and for reading, the savings which result from the application of the information obtained in reading. Resulting estimates of value reflect value to the searchers, the reader, and the reader's organization or funding source. A survey of the 60,000 scientists and eingineers funded by the DOE shows that annually they read about 7.1 million journal articles and 6.6 million technical reports. A wide range of savings values were reported for one-fourth of all article readings and three-fourths of all report readings. There was an average savings of $590 per reading of all articles; there was an average savings of $1280 …
Date:
March 31, 1982
Creator:
King, D.W.; Griffiths, J.M.; Roderer, N.K. & Wiederkehr, R.R.V.
Object Type:
Report
System:
The UNT Digital Library
Geothermal resource, engineering and economic feasibility study for the City of Ouray, Colorado. Final report
A geothermal energy feasibility study has been performed for the City of Ouray, Colorado, to determine the potential economic development opportunities to the City. The resource assessment indicates the resource to be associated with the Ouray fault zone, the Leadville limestone formation, the high thermal gradient in the area of the San Juan mountains, and the recharge from precipitation in the adjacent mountains. Four engineering designs of alternative sizes, costs, applications, and years of start-up have been defined to offer the City a range of development scales. Life cycle cost analyses have been conducted for cases of both public and private ownership. All systems are found to be feasible on both economic and technical grounds. 49 refs., 8 figs.
Date:
July 31, 1982
Creator:
Meyer, R. T.; Raskin, R. & Zocholl, J. R.
Object Type:
Report
System:
The UNT Digital Library
Study of selected off-gases produced during the immobilization of nuclear wastes in the SYNROC process. Final report for the year ended December 31, 1982
The vaporization of cesium from the SYNROC mineral barium-cesium hollandite was studied over the temperature range 900/sup 0/C to 1150/sup 0/C using the transpiration method. With a dry argon-5% hydrogen carrier gas, the pressure of cesium over barium-cesium hollandite solid solution follows the relationship, log P/sub Cs/(atm) = 2.743 - 1.135 X 10/sup 4//T(K). The heat of vaporization is 217 +- 15 kJ/mole. The presence of water vapor increased the volatility of cesium.
Date:
December 31, 1982
Creator:
Carpenter, J.H.; McMullen, J.C.; Olmscheid, B.A. & Chezick, P.
Object Type:
Report
System:
The UNT Digital Library
[Three advertisement clippings for Ken's Man's Shop]
Three advertisements for Ken's Man's Shop: Charlie Waters advertisement: "The Look That Keeps Charlie Waters On The Defensive." Two memorial day sale ads for 20% off published in the Dallas Morning News & Dallas Times Herald.
Date:
May 31, 1982
Creator:
The Dallas Morning News
Object Type:
Clipping
System:
The UNT Digital Library
Technical/commercial feasibility study of the production of fuel-grade ethanol from corn: 100-million gallon-per-year production facility in Myrtle Grove, Louisiana
This volume contains the following engineering drawings: plot plans, fire protection yards, process flow diagrams, general plant arrangements for each area, equipment layouts, electrical diagrams, and power distribution centers.
Date:
May 31, 1982
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
US trade and development program. Energy projects data sheets
Economic development of energy sufficiency programs for developing countries are planned cooperatively with the US. Feasibility studies are proposed using each nation's resources. (PSB)
Date:
August 31, 1982
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Safety ride]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
May 31, 1982, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Court monitor]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 31, 1982, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Rudd hearing]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
March 31, 1982, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Miracle baby]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 31, 1982, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Flex time]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 31, 1982, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Miracle babies]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 31, 1982, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Foster homes]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
May 31, 1982, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: New Year's resolutions]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 31, 1982, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library