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Feasibility Studies of in-Situ Coal Gasification in the Warrior Coal Field. Quarterly Report

Description: Because of high internal temperatures, the external temperature has no effect upon the reaction rate of coke particles with air for temperatures above 750/sup 0/K. Reactions could not be initiated below that temperature. Chemical reaction rate was not found to be a rate-controlling step: both extra-particle and intra-particle diffusion are important and limit the rate of oxidation. The observed values of k/sub c/, the extra-particle mass transfer coefficient were found to be in good agreement w… more
Date: June 1, 1979
Creator: Douglas, George W. & McKinley, Marvin D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Synthesis of block copolymers of methyl siloxane, phenyl siloxane, vinyl siloxane, etc

Description: Synthesis of homo poly(dimethylsiloxane) PDMS, homo poly(diphenylsiloxane PDPS, and di- and tri- block copolymers of PDMS and PDPS have been carried out by anionic living polymerization, using the following reagents: hexamethylcyclotrisiloxane, HMTS and hexaphenylcyclotrisiloxane, HPTS (monomers), n-BuLi and dilithium diphenyldisilanolate, DLS (initiators), DMSO and THF (promoters) and Toluene (solvent). Lithium based catalysts are used in order to minimize siloxane rearrangement (equilibration… more
Date: June 30, 1979
Creator: Ibemesi, J.A. & Meier, D.J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Economic evaluation of the MIT process for manufacture of ethanol

Description: This report summarizes the results of an economic evaluation of the MIT process for the manufacture of ethanol from cellulosic residues. Conceptual process designs were developed for two cases, Case A which is based on the experimental data obtained to date, and Case B which hypothesizes the suppression of acid byproducts. Manufacturing costs, including profit, were estimated at $12.20/million Btu for Case A and $9.40/million Btu for Case B. These are equivalent to about $1.05 and $0.80/gal eth… more
Date: June 28, 1979
Creator: Jenkins, D. M. & Reddy, T. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Energy and protein production from pulp mill wastes. Final report, 15 Jun 1976-14 Jun 1979

Description: The goal of this research was to convert the organics and sulfur in sulfite spent liquor (SSL) now classified as pollutants from sulfite pulp mills, into synthetic methane and protein by means of a combination chemical-biological process. Ozonization was used to break the high molecular weight lignosulfonate molecules present in SSL into lower weight fractions which could be metabolized by methane-producing bacteria and protein-producing yeast. Ozonization experiments showed that this treatment… more
Date: June 14, 1979
Creator: Jurgensen, M. F. & Patton, J. T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Fuel cell applied research: electrocatalysis and materials. Quarterly report, July 1-September 30, 1978

Description: A study was undertaken to investigate the electrocatalysis of the formic acid and methanol oxidation reactions at underpotentially deposited metal surfaces at 25/sup 0/C. The test electrode was a smooth polycrystalline platinum disc, on which a metal Bi, Cd, Pb or Tl was underpotentially deposited (UPD) by potential cycling in 1 N HClO/sub 4/. The organic reactant (HCOOH or CH/sub 3/OH) was added to this electrolyte so that its concentration was 0.26 M. Cyclic voltammograms were recorded on the… more
Date: June 1, 1979
Creator: Srinivasan, S.; Isaacs, H. S.; O'Grady, W. E.; Olender, H.; Olmer, L. J.; Daube, K. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Mathematical modeling of the voloxidation process. Final report

Description: A mathematical model of the voloxidation process, a head-end reprocessing step for the removal of volatile fission products from spent nuclear fuel, has been developed. Three types of voloxidizer operation have been considered; co-current operation in which the gas and solid streams flow in the same direction, countercurrent operation in which the gas and solid streams flow in opposite directions, and semi-batch operation in which the gas stream passes through the reactor while the solids remai… more
Date: June 1, 1979
Creator: Stanford, T.G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Tomographic visualization of stress corrosion cracks in tubing

Description: A feasibility study was conducted to determine the possibility of detecting and sizing cracks in reactor cooling water tubes using tomographic techniques. Due to time and financial constraints, only one tomographic reconstruction using the best technique available was made. The results indicate that tomographic reconstructions can, in fact, detect cracks in the tubing and might possibly be capable of measuring the depth of the cracks. Limits of detectability and sensitivity have not been determ… more
Date: June 1, 1979
Creator: Morris, R.A.; Kruger, R.P. & Wecksung, G.W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Gas generation from radiolytic attack of TRU-contaminated hydrogenous waste

Description: In 1970, the Waste Management and Transportation Division of the Atomic Energy Commission ordered a segregation of transuranic (TRU)-contaminated solid wastes. Those below a contamination level of 10 nCi/g could still be buried; those above had to be stored retrievably for 20 y. The possibility that alpha-radiolysis of hydrogenous materials might produce toxic, corrosive, and flammable gases in retrievably stored waste prompted an investigation of gas identities and generation rates in the labo… more
Date: June 1, 1979
Creator: Zerwekh, A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Development of a biomass energy system for drying corn. Progress report, July 1, 1978-June 30, 1979

Description: The following research efforts have been carried out: evaluation of the design specifications and operation of the ISU-AE incinerator furnace; evaluation of existing furnace types for application to burning agriculatural residues; and design of a direct-fired furnace fueled by corn plant residues. The progress that has been made during the past year is summarized. Research has been carried out to provide the deisgn parameters for a new furnace prototype.
Date: June 1, 1979
Creator: Buchele, W. F.; Claar II, P. W. & Marley, S. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Production of aluminum-silicon alloy and ferrosilicon and commercial purity aluminum by the direct reduction process. Third interim technical report, Phase B, March 1, 1979--May 31, 1979

Description: The effect of volatile sweep rate on bridge formation and product yield was determined. Higher volatile rates resulted in decreased yields and wider zones of condensation in the shaft. Attempts to charge ores and reduction carbon separately produced very low yields of metallic alloy. Remelt tests of reactor alloy products required temperatures of 1900/sup 0/C for samples high in Ti. Low Ti-containing alloys melted at 1300/sup 0/C. Operation of the O/sub 2/ injected, side entry bench reactor was… more
Date: June 1, 1979
Creator: Bruno, M. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Demonstration of a Nitrogen Based Carburizing Atmosphere. Second Quarterly Report, January 1-March 31, 1979

Description: This second quarterly report details the energy consumption of two heat treating furnaces while employing different atmospheres. Idle energy consumption tests on a box type furnace with a fibrous insulation indicate 7 to 14% lower fuel consmption when pure nitrogen replaces endothermic as a furnace atmosphere. Production energy consumption tests on an integral quench furnace are inconclusive due to the limited data obtained thus far. As the program progresses, additional data will be available.
Date: June 1, 1979
Creator: Peartree, R. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Assessment of the corrosiveness of cellulosic insulating materials

Description: A discussion of the information which is available about the corrosiveness of cellulose and other related properties is presented. A survey of the literature dealing with the corrosiveness of wood products other than cellulose and of the corrosiveness in other media by fire-retardant chemicals generally used with cellulosic insulation is included. The types of corrosion which could be caused by cellulosic insulation are briefly discussed.
Date: June 1, 1979
Creator: Weil, R. & Graviano, A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Video processing of remote sensor data applied to uranium exploration in Wyoming. [Roll-front U deposits]

Description: LANDSAT satellite imagery and aerial photography can be used to map areas of altered sandstone associated with roll-front uranium deposits. Image data must be enhanced so that alteration spectral contrasts can be seen, and video image processing is a fast, low-cost, and efficient tool. For LANDSAT data, the 7/4 ratio produces the best enhancement of altered sandstone. The 6/4 ratio is most effective for color infrared aerial photography. Geochemical and mineralogical associations occur in unalt… more
Date: June 30, 1979
Creator: Levinson, R.A.; Marrs, R.W. & Crockell, F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Chemistry of water and sediment from the benthic boundary layer at a site in the Northwest Atlantic Ocean

Description: A primary objective of this study was to characterize the corrosive potential of the benthic boundary layer at a site where selected metal alloys were being exposed. Those properties of sea water and sediment likely to affect the corrosion of alloys that were measured in this study include salinity, pH, scale-forming cations, redox potential, dissolved gases, heavy metal ions, abrasive particulates, and microorganisms. The chemical properties of water from the benthic boundary layer do not appe… more
Date: June 1, 1979
Creator: Schmidt, R. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Development of an HPLC, GC/MS method for analysis of HYGAS oil samples

Description: Direct analysis of a HYGAS oil sample by gas chromatography/mass spectrometry (GC/MS) or capillary column GC/MS is difficult for at least two reasons: (1) due to the large number (probably over 400) of compounds present in the mixture, many overlapping peaks occur, resulting in mass spectra that are often confusing, and (2) moderately to highly polar compounds are not easily chromatographable. In Part 1 of this study, high performance liquid chromatographic (HPLC) methods for separating the com… more
Date: June 1, 1979
Creator: Raphaelian, L A
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Specifications and design of a pressurized laminar-flow isothermal reactor for studies of coal reactivity

Description: One facet of the larger project entitled The Characteristics of American Coals in Relation to Their Conversion to Clean Energy Fuels is intended to develop and test a series of reactor vessels capable of providing quantitative data on coal performance in reactions important in the gasification of coal, and to generate quantitative data on the pyrolysis behavior and reactivities of representative coal lithotypes and chars derived therefrom. A most important task element of this facet is the desi… more
Date: June 1, 1979
Creator: Shull, H. E. & Essenhigh, R. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Evaluation of reaction kinetics for gas-powder systems

Description: Kinetic models for the reaction between a gas and powder are presented and discussed. Rates from the progressive conversion model are dependent on the amount of material present. This model is described by an equation that yields both the rate constant and the reaction order. The phase boundary model produces rates for topochemical reactions which are dependent on the powder surface area. Applications of these models to uranium powder hydriding are discussed. Computer programs for analyzing dat… more
Date: June 25, 1979
Creator: Stakebake, J.L. & Bixby, G.E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Development, characterization and evaluation of materials for open cycle MHD. Quarterly report for the period ending December 1978

Description: The objectives of this program are to develop, test, characterize, and evaluate materials for open-cycle, coal-fired MHD power generators. The specific immediate goals emphasize electrode and insulator materials, including: (1) testing and evaluation of the enhanced effects of alkali seed on materials in a dc electric field; (2) development and testing of improved electrodes and insulators with controlled microstructures, compositions and properties; and (3) characterization and evaluation of m… more
Date: June 1, 1979
Creator: Bates, J.L. & Marchant, D.D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Low Cost Solar Array Project. Feasibility of the silane process for producing semiconductor-grade silicon. Final report, October 1975-March 1979

Description: The commercial production of low-cost semiconductor-grade silicon is an essential requirement of the JPL/DOE (Department of Energy) Low-Cost Solar Array (LSA) Project. A 1000-metric-ton-per-year commercial facility using the Union Carbide Silane Process will produce molten silicon for an estimated price of $7.56/kg (1975 dollars, private financing), meeting the DOE goal of less than $10/kg. Conclusions and technology status are reported for both contract phases, which had the following objectiv… more
Date: June 1, 1979
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Resonant multiphoton dissociation of small molecules. [Ethyl chloride; deuterated formaldehyde]

Description: Multiphonon dissociation (MPD) of ethyl chloride and deuterated formaldehyde was studied. The vibrational energy levels of a molecule is divided into three regions for understanding MPD. MPD dydamics are probably similar for all molecules in regions II and III, but in region I depend greatly on molecular structure and spectra. 7 figures, 1 table. (DLC)
Date: June 1, 1979
Creator: Kung, A. H.; Dai, Hai-Lung; Berman, Michael R. & Moore, C. Bradley
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Transport and Reaction of Heavy Metals in Alaskan Fjord-Estuaries. Annual Report, July 1, 1978-June 30, 1979

Description: Work in progress is summarized. Individual reports are presented on the following research, which has been completed: benthic flux and near bottom reactions of heavy metals in fjords; deep water exchange in Alaskan sub-arctic fjords; sediment-seawater exchanges of nitrogen and transition metals in an Alaskan fjord; deep water renewals in Resurrection Bay, Alaska; the behavior of iron, manganese, and zinc in a heavily polluted river-estuary system. Six cruise reports for 1978 to 1979 are include… more
Date: June 1, 1979
Creator: Burrell, D.C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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