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Enhancing the use of coals by gas reburning-sorbent injection

Description: The objective of this project is to evaluate and demonstrate a cost effective emission control technology for acid rain precursors, oxides of nitrogen (NO{sub x}) and sulfur (SO{sub x}), on two coal fired utility boilers in Illinois. The units selected are representative of pre-NSPS design practices: tangential and cyclone fired. A third unit, wall fired, is on hold'' because of funding limitations. The specific objectives are to demonstrate reductions of 60 percent in NO{sub x} and 50 percent … more
Date: April 16, 1990
Partner: UNT Libraries Government Documents Department
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Fundamental studies of catalytic processing of synthetic liquids

Description: This project revolves around understanding the fundamental processes involved in the catalytic removal of harmful oxygenated organics present in coal liquids. We will model the complex type of sulfided Mo catalyst proposed for these reactions with a simple single crystal surfaces that display a controlled range and number of reaction sites and can be extensively characterized by surface science techniques.
Date: April 10, 1990
Creator: Watson, P. R.
Partner: UNT Libraries Government Documents Department
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Development of improved iron Fischer-Tropsch catalysts

Description: The objective of proposed research is development of catalysts with enhanced slurry phase activity and better selectivity to fuel range products, through a more detailed understanding and systematic studies of the effects of pretreatment procedures and promoters/binders (silica) on catalyst performance.
Date: April 30, 1990
Creator: Bukur, D.B.; Patel, S.A.; Dalai, A.K.; Jayanthi, G. & Ledakowicz, S.
Partner: UNT Libraries Government Documents Department
open access

Applications of Micellar Enzymology to Clean Coal Technology. [Laccase]

Description: This project is designed to develop methods for pre-combustion coal remediation by implementing recent advances in enzyme biochemistry. The novel approach of this study is incorporation of hydrophilic oxidative enzymes in reverse micelles in an organic solvent. Enzymes from commercial sources or microbial extracts are being investigated for their capacity to remove organic sulfur from coal by oxidation of the sulfur groups, splitting of C-S bonds and loss of sulfur as sulfuric acid. Dibenzothio… more
Date: April 27, 1990
Creator: Walsh, C. T.
Partner: UNT Libraries Government Documents Department
open access

Some Software Implementations of the Functions Sine and Cosine

Description: We present several software implementations of the elementary functions sin and cos designed to fit a large class of machines. Implementation details are provided. We also provide a detailed error analysis that bounds the errors of these implementations, over the full range of input arguments, from 0.721 to 0.912 units in the last place. Tests performed on these codes give results that are consistent with the error bounds.
Date: April 1990
Creator: Tang, Ping Tak Peter
Partner: UNT Libraries Government Documents Department
open access

Surveillance of Site A and Plot M : Report for 1989

Description: The results of the environmental monitoring program conducted at Site A/Plot M in the Palos Park Forest Preserve area for CY 1989 are presented. The monitoring program is the ongoing remedial action that resulted from the 1976-1978 radiological characterization of the site. That study had determined that very low levels of hydrogen-3 (as tritiated water) migrated from the burial ground and was present in two nearby hand-pumped picnic wells. The current program consists of sample collection and … more
Date: April 1990
Creator: Golchert, N. W.
Partner: UNT Libraries Government Documents Department
open access

Argonne National Laboratory-East Site Environmental Report for Calendar Year 1989

Description: This report discusses the results of the environmental monitoring program at Argonne National Laboratory (ANL) for 1989. To evaluate the effects of ANL operations on the environment, samples of environmental media collected on the site, at the site boundary, and off the ANL site were analyzed and compared. A variety of radionuclides were measured in air, surface water, groundwater, soil, grass, bottom sediment, and milk samples.
Date: April 1990
Creator: Argonne National Laboratory
Partner: UNT Libraries Government Documents Department
open access

TRUEX Hot Demonstration

Description: In FY 1987, a program was initiated to demonstrate technology for recovering transuranic (TRU) elements from defense wastes. This hot demonstration was to be carried out with solution from the dissolution of irradiated fuels. This recovery would be accomplished with both PUREX and TRUEX solvent extraction processes. Work planned for this program included preparation of a shielded-cell facility for the receipt and storage of spent fuel from commercial power reactors, dissolution of this fuel, op… more
Date: April 1990
Creator: Chamberlain, D. B.; Leonard, R. A.; Hoh, J. C.; Gay, E. C.; Kalina, D. G. & Vandegrift, G. F.
Partner: UNT Libraries Government Documents Department
open access

Guide to Savannah River Laboratory Analytical Services Group

Description: The mission of the Analytical Services Group (ASG) is to provide analytical support for Savannah River Laboratory Research and Development Programs using onsite and offsite analytical labs as resources. A second mission is to provide Savannah River Site (SRS) operations with analytical support for nonroutine material characterization or special chemical analyses. The ASG provides backup support for the SRS process control labs as necessary.
Date: April 1, 1990
Partner: UNT Libraries Government Documents Department
open access

Neurotoxicity: Identifying and Controlling Poisons of the Nervous System

Description: This Report, the first of the neuroscience series, discusses the risks posed by neurotoxic substances—substances that can adversely affect the nervous system—and evaluates the Federal research and regulatory programs now in place to address these risks.
Date: April 1990
Creator: United States. Congress. Office of Technology Assessment.
Partner: UNT Libraries Government Documents Department
open access

High-Temperature Superconductivity in Perspective

Description: This is the second of two OTA assessments on the subject of high-temperature superconductivity (HTS). As the title suggests, this study attempts to put HTS in perspective, both in terms of competing technologies (e.g., the more mature low-temperature superconductors), and in terms of the many technical and economic problems that must be overcome before HTS can be widely used.
Date: April 1990
Creator: United States. Congress. Office of Technology Assessment.
Partner: UNT Libraries Government Documents Department
open access

Access to Space: The Future of U.S. Space Transportation Systems

Description: This report is the final, summarizing report in a series of products from a broad assessment of space transportation technologies undertaken by OTA for the Senate Committee on Commerce, Science, and Transportation, and the House Committee on Science, Space, and Technology.
Date: April 1990
Creator: United States. Congress. Office of Technology Assessment.
Partner: UNT Libraries Government Documents Department
open access

How Has Federal Research on AIDS/HIV Disease Contributed to Other Fields?

Description: The House Committee on Government Operations, Subcommittee on Human Resources and Intergovernmental Relations asked the Office of Technology Assessment (OTA) to document the extent to which federally funded research on AIDS/HIV has contributed to advances in other fields including biomedical and behavior research, prevention, patient care, and health care financing. In response to this request OTA conducted a survey of distinguished biomedical and social scientists. This Staff Paper reports on … more
Date: April 1990
Creator: United States. Congress. Office of Technology Assessment.
Partner: UNT Libraries Government Documents Department
open access

Preliminary Design Report for the Yakima/Klickitat Production Project.

Description: A master plan for the Yakima/Klickitat Production Project (YKPP) was developed by the Northwest Power Planning Council (Council) on October 15, 1987, as a reasonable basis upon which the Bonneville Power Administration (BPA) could proceed to fund predesign work on the project. The Council approved the predesign work on the condition that eight preliminary tasks were completed. These tasks are: Task 1. Agreement on a refined statement of project goals. Task 2. Completion of a technical analysis … more
Date: April 1, 1990
Creator: United States. Bonneville Power Administration.
Partner: UNT Libraries Government Documents Department
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Fluid dynamics of double diffusive systems

Description: The major accomplishments of our initial research period (August 1, 1987, to March 1, 1990) are as follows; we completed construction of the experimental facility. Originally, it had been our intent to modify an existing facility in our laboratory. When this became impractical we constructed a new stand-alone facility. Modified an existing three-dimensional numerical code developed in our laboratory, SEAFLOS1, by incorporating a salinity transport equation. Developed experimental and analytical… more
Date: April 3, 1990
Creator: Koseff, J. R.
Partner: UNT Libraries Government Documents Department
open access

Chronic toxicity evaluation of simulated DWPF effluent to Ceriodaphnia dubia

Description: A 7-Day Full Series Chronic Toxicity test was conducted April 13--20, 1990, for the Savannah River Site to assess the chronic toxicity of Simulated defense waste processing facility (DWPF) effluent to Ceriodaphnia dubia. The simulated effluented consisted of Sodium Nitrate, Sodium Oxalate, Sodium Formate, and Corros. Inib.
Date: April 1, 1990
Partner: UNT Libraries Government Documents Department
open access

Development of an advanced high efficiency coal combustor for boiler retrofit

Description: The objective of the program was to develop an advanced coal combustion system for firing beneficiated coal fuels (BCFs) capable of being retrofitted to industrial boilers originally designed for firing natural gas. The High Efficiency Advanced Coal Combustor system is capable of firing microfine coal-water fuel (MCWF), MCWF with alkali sorbent (for SO{sub 2} reduction), and dry microfine coal. Design priorities for the system were that it be simple to operate and offer significant reductions i… more
Date: April 1, 1990
Creator: LaFlesh, R. C.; Rini, M. J.; McGowan, J. G.; Beer, J. M. & Toqan, M. A.
Partner: UNT Libraries Government Documents Department
open access

Secure resource management: Specifying and testing secure operating systems

Description: Much work has been devoted to methods for reasoning about the specifications of operating system specifications, the goal being to develop specifications for an operating system that are verified to be secure. Before the verification should be attempted, the specifications should be tested. This paper presents tools that can assist in the security testing of specifications. The first tool is based on the final Algebra Specification and Execution (FASE) system, and would be used to test specific… more
Date: April 10, 1990
Creator: Archer, M.; Frincke, D.A. & Levitt, K. (California Univ., Davis, CA (USA). Div. of Computer Science)
Partner: UNT Libraries Government Documents Department
open access

One regional ARM guide for climatic evaluation

Description: One of the early tasks of the Atmospheric Radiation Measurements (ARM) Program is to provide climatic guides for site selection purposes including possible continental, regional, local and on-site locations. The first guide A Preliminary ARM Guide for Climatic Evaluations'' provided some climate data on a continental scale; this one is an attempt to show the variability that exists over a region. Kansas was chosen for this particular guide because it satisfies most of the requirements given in … more
Date: April 1, 1990
Creator: Brown, R.M.
Partner: UNT Libraries Government Documents Department
open access

High Burnup Effects Program

Description: This is the final report of the High Burnup Effects Program (HBEP). It has been prepared to present a summary, with conclusions, of the HBEP. The HBEP was an international, group-sponsored research program managed by Battelle, Pacific Northwest Laboratories (BNW). The principal objective of the HBEP was to obtain well-characterized data related to fission gas release (FGR) for light water reactor (LWR) fuel irradiated to high burnup levels. The HBEP was organized into three tasks as follows: Ta… more
Date: April 1, 1990
Creator: Barner, J. O.; Cunningham, M. E.; Freshley, M. D. & Lanning, D. D.
Partner: UNT Libraries Government Documents Department
open access

Development of clean coal and clean soil technologies using advanced agglomeration technologies

Description: The specific objectives of the bituminous coal program were to explore and evaluate the application of advanced agglomeration technology for: (1)desulphurization of bituminous coals to sulphur content acceptable within the current EPA SO{sub 2} emission guidelines; (2) deashing of bituminous coals to ash content of less than 10 percent; and (3)increasing the calorific value of bituminous coals to above 13,000 Btu/lb. (VC)
Date: April 1, 1990
Creator: Ignasiak, B.; Pawlak, W.; Szymocha, K. & Marr, J.
Partner: UNT Libraries Government Documents Department
open access

Reactions of carbon atoms using crossed pulsed molecular beams

Description: In the second year of the current funding period, we continued the study of the following reactions: C({sup 1}D) + H{sub 2} {yields} CH(X{sup 2}{Omicron}) + H, {Delta}H = {minus}6.0 kcal.mol{sup {minus}1}; C({sup 1}D) + HCl {yields} CH(X{sup 2}{Omicron}) + Cl, {Delta}H = 7.0 kcal.mol{sup {minus}1}; and C({sup 1}D) + HCl {yields} CCl(X{sup 2}{Omicron}) + H, {Delta}H = {minus}5.8 kcal.mol{sup {minus}1}. In particular, we concentrated on three issues: the use of two-photon photolysis of C{sub 3}O{… more
Date: April 1, 1990
Creator: Reisler, H.
Partner: UNT Libraries Government Documents Department
open access

Molecular biological enhancement of coal biodesulfurization

Description: The overall objectives of this project is to use Molecular Genetics to develop strains of bacteria (esp. Rhodococcus) with enhanced ability to remove sulfur from coal, and to obtain data that will allow the performance and economics of a coal biodesulfurization process to be predicted. 5 figs.
Date: April 1, 1990
Creator: Bielaga, B. A. & Kilbane, J. J.
Partner: UNT Libraries Government Documents Department
open access

Study of fine and ultrafine particles for coal cleaning

Description: During the second quarter of work on this new project, critical review of the literature continued. Several new references related to gravity separation were identified and evaluated. A synopsis was assembled to summarize techniques developed by various researchers for the float/sink separation of ultrafine coal. In the reviewed literature, it was commonly concluded that substantial improvements in washability results for ultrafine coals can be obtained only through the application of dynamic (… more
Date: April 1, 1990
Creator: Birlingmair, D.; Buttermore, W.; Chmielewski, T. & Pollard, J.
Partner: UNT Libraries Government Documents Department
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