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33
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33
United States Geological Survey Reports
30
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20
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20
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19
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183-H Basin sludge treatability test report
This document presents the results from the treatability testing of a 1-kg sample of 183-H Basin sludge. Compressive strength measurements, Toxic Characteristic Leach Procedure, and a modified ANSI 16.1 leach test were conducted
Date:
December 31, 1995
Creator:
Biyani, R.K.
System:
The UNT Digital Library
500 MW demonstration of advanced wall-fired combustion techniques for the reduction of nitrogen oxide (NO{sub x}) emissions from coal-fired boilers. Technical progress report, fourth quarter 1995
This document discusses the technical progress of a US Department of Energy (DOE) Innovative Clean Coal Technology (ICCT) Project demonstrating advanced wall-fired combustion techniques for the reduction of nitrogen oxide (NO{sub x}) emissions from coal-fired boilers. The project is being conducted at Georgia Power Company`s Plant Hammond Unit 4 (500 MW) near Rome, Georgia. Specifically, the objectives of the projects are: (1) demonstrate in a logical stepwise fashion the short-term NO{sub x} reduction capabilities of the following advanced low NO{sub x} combustion technologies: advanced overfire air (AOFA); low NO{sub x} burners (LNB); LNB with AOFA; and advanced digital controls and optimization strategies; (2) determine the dynamic, long-term emissions characteristics of each of these combustion NO{sub x} reduction methods using sophisticated statistical techniques; (3) evaluate the cost effectiveness of the low NO{sub x} combustion techniques tested; and (4) determine the effects on other combustion parameters (e.g., CO production, carbon carryover, particulate characteristics) of applying the above NO{sub x} reduction methods.
Date:
December 31, 1995
Creator:
unknown
System:
The UNT Digital Library
500 MW demonstration of advanced wall-fired combustion techniques for the reduction of nitrogen oxide (NO{sub x}) emissions from coal-fired boilers. Technical progress report, second quarter 1995
This quarterly report discusses the technical progress of an Innovative Clean Coal Technology (ICCT) demonstration of advanced wall-fired combustion techniques for the reduction of nitrogen oxide (NO{sub x}) emissions from coal-fired boilers. The project is being conducted at Georgia Power Company`s Plant Hammond Unit 4 located near Rome, Georgia. The primary goal of this project is the characterization of the low NO{sub x} combustion equipment through the collection and analysis of long-term emissions data. The project provides a stepwise evaluation of the following NO{sub x} reduction technologies: advanced overfire air (AOFA), low NO{sub x} burners (LNB), LNB with AOFA, and advanced digital controls and optimization strategies. The project has completed the baseline, AOFA, LNB, and LNB + AOFA test segments, fulfilling all testing originally proposed to DOE. Phase 4 of the project, demonstration of advanced control/optimization methodologies for NO{sub x} abatement, is now in progress. The methodology selected for demonstration at Hammond Unit 4 is the Generic NO{sub x} Control Intelligent System (GNOCIS), which is being developed by a consortium consisting of the Electric Power Research institute, PowerGen, Southern Company, Radian Corporation, U.K. Department of Trade and Industry, and US DOE. GNOCIS is a methodology that can result in improved …
Date:
December 31, 1995
Creator:
unknown
System:
The UNT Digital Library
1993-1994 Final technical report for establishing the SECME Model in the District of Columbia
This is the final report for a program to establish the SECME Model in the District of Columbia. This program has seen the development of a partnership between the District of Columbia Public Schools, the University of the District of Columbia, the Department of Energy, and SECME. This partnership has demonstrated positive achievement in mathematics and science education and learning in students within the District of Columbia.
Date:
December 31, 1995
Creator:
Vickers, R. G.
System:
The UNT Digital Library
1993 Annual PCB Document for Los Alamos National Laboratory EPA Region VI, January 1, 1993 through December 31, 1993
This document, the {open_quotes}1993 Annual PCB Document for Los Alamos National Laboratory{close_quotes} was prepared to fulffill the requirements of the federal PCB (Polychlorinated Biphenyl) regulation: 40 CFR 761 Subpart J General Records and Reports. The PCB Management Program at Los Alamos National Laboratory (LANL), Environmental Protection Group, compiled this 1993 Annual PCB Document. The overall format generally follows the sequence of the applicable regulations. Subsection 1.2 cross references those regulatory requirements with the applicable Document Section. The scope of this document also includes status summaries of various aspects of LANL`s PCB Management Program. The intent of this approach to the Annual Document is to provide an overview of LANL`s PCB Management Program and to increase the usefulness of this document as a management tool. Section 2.0, {open_quotes}Status of the PCB Management Program{close_quotes}, discusses the use, generation of waste, and storage of PCBs at LANL. Section 3.0 is the 1993 Annual Document Log required by 761.180(a). This Section also discusses the PCB Management Program`s policies for reporting under those regulatory requirements. Sections 4.0 and 5.0 contain the 1993 Annual Records for off-site and on-site disposal as required by 761.180(b). There is a tab for each manifest and its associated continuation sheets, …
Date:
December 31, 1995
Creator:
Wechsler, R. J.; Sandoval, T. M.; Bryant, D. E.; Hupke, L. & Esquibel, L.
System:
The UNT Digital Library
1995 annual epidemiologic surveillance report for Fernald Environmental Management Project
The US Department of Energy's (DOE) commitment to assuring the health and safety of its workers includes the conduct of epidemiologic surveillance activities that provide an early warning system for health problems among workers. During the past several years, a number of DOE sites have participated in the Epidemiologic Surveillance Program. This program monitors illnesses and health conditions that result in an absence of five or more consecutive workdays, occupational injuries and illnesses, and disabilities and deaths among current workers. This report provides a summary of epidemiologic surveillance data collected from the Fernald Environmental Management Project (FEMP) from January 1, 1995 through December 31, 1995. The data were collected by a coordinator at FEMP and submitted to the Epidemiologic Surveillance Data Center, located at Oak Ridge Institute for Science and Education, where quality control procedures and data analyses were carried out.
Date:
December 31, 1995
Creator:
unknown
System:
The UNT Digital Library
1995 annual epidemiologic surveillance report for Hanford Site
The US Department of Energy`s (DOE) commitment to assuring the health and safety of its workers includes the conduct of epidemiologic surveillance activities that provide an early warning system for health problems among workers. A number of DOE sites participate in the Epidemiologic Surveillance Program. This program monitors illnesses and health conditions that result in an absence of five or more consecutive workdays, occupational injuries and illnesses, disabilities and deaths among current workers. This report provides a summary of epidemiologic surveillance data collected from the Hanford Site from January 1, 1995 through December 31, 1995. The data were collected by a coordinator at Hanford and submitted to the Epidemiologic Surveillance Data Center, located at Oak Ridge Institute for Science and Education, where quality control procedures and data analyses were carried out. The information in the main body of the report provides a descriptive analysis of the data collected from the site, and the appendices provides additional detail. The report also contains an expanded Glossary and an Explanation of Diagnostic Categories which gives examples of health conditions in each of the diagnostic categories.
Date:
December 31, 1995
Creator:
unknown
System:
The UNT Digital Library
1995 annual epidemiologic surveillance report for Idaho National Engineering and Environmental Laboratory
The US Department of Energy's (DOE) conduct of epidemiologic surveillance provides an early warning system for health problems among workers. This program monitors illnesses and health conditions that result in an absence of five or more consecutive workdays, occupational injuries and illnesses, and disabilities and deaths among current workers. This report summarizes epidemiologic surveillance data collected from the Idaho National Engineering and Environmental Laboratory (INEEL) from January 1, 1995 through December 31, 1995. The data were collected by a coordinator at INEEL and submitted to the Epidemiologic Surveillance Data Center, located at Oak Ridge Institute for Science and Education, where quality control procedures and data analyses were carried out.
Date:
December 31, 1995
Creator:
unknown
System:
The UNT Digital Library
1995 annual epidemiologic surveillance report for Sandia National Laboratory-Albuquerque
The US Department of Energy`s (DOE`s) conduct of epidemiologic surveillance provides an early warning system for health problems among workers. This program monitors illnesses and injuries that result in an absence of five or more consecutive workdays, occupational injuries and illnesses, and disabilities and deaths among current workers. This report provides a summary of epidemiologic surveillance data collected from the Sandia National Laboratory-Albuquerque (SNL-AL) from January 1, 1995 through December 31, 1995. The data were collected by a coordinator at SNL-AL and submitted to the Epidemiologic Surveillance Data Center, located at Oak Ridge Institute for Science and Education, where quality control procedures and data analyses were carried out. The annual report for 1995 has been redesigned from reports for previous years. Most of the information in the previous reports is also in this report, but some material now appears in the appendices instead of the main body of the report. The information presented in the main body of the report provides a descriptive analysis of the data collected from the site and the appendices provide more detail. A new section of the report presents trends in health over time. The Glossary and an Explanation of Diagnostic Categories have been expanded …
Date:
December 31, 1995
Creator:
unknown
System:
The UNT Digital Library
1995 Laboratory-Directed Research and Development Annual report
The Laboratory-Directed Research and Development Program (LDRD) is a key component of the discretionary research conducted by Lockheed Idaho Technologies Company (Lockheed Idaho) at the Idaho National Engineering Laboratory (INEL). The threefold purpose and goal of the LDRD program is to maintain the scientific and technical vitality of the INEL, respond to and support new technical opportunities, and enhance the agility and flexibility of the national laboratory and Lockheed Idaho to address the current and future missions of the Department of Energy.
Date:
December 31, 1995
Creator:
Cauffman, D. P.; Shoaf, D. L.; Hill, D. A. & Denison, A. B.
System:
The UNT Digital Library
1995 Site Development Plan. [Annual report]
The mission of the Lawrence Livermore National Laboratory (LLNL) is to apply science and technology in the national interest. LLNL`s focus is on global security, global ecology, and bioscience. Laboratory, employees are working with industrial and academic partners to increase national economic competitiveness and improve science education. Laboratory`s mission is dynamic and has been changed over the years to meet new national needs.
Date:
December 31, 1995
Creator:
unknown
System:
The UNT Digital Library
Acoustic imaging of underground storage tank wastes: A feasibility study. Final report
The objectives for this underground storage tank (UST) imaging investigation are: (1) to assess the feasibility of using acoustic methods in UST wastes, if shown to be feasible, develop and assess imaging strategies; (2) to assess the validity of using chemical simulants for the development of acoustic methods and equipment. This investigation examined the velocity of surrogates, both salt cake and sludge surrogates. In addition collected seismic cross well data in a real tank (114-TX) on the Hanford Reservation. Lastly, drawing on the knowledge of the simulants and the estimates of the velocities of the waste in tank 114-TX the authors generated a hypothetical model of waste in a tank and showed that non-linear travel time tomographic imaging would faithfully image that stratigraphy.
Date:
December 31, 1995
Creator:
Turpening, R.; Zhu, Z.; Caravana, C.; Matarese, J. & Turpening, W.
System:
The UNT Digital Library
Advanced characterization of forms of chlorine, organic sulfur and trace elements in available coals from operating Illinois mines. Quarterly report, 1 December 1994--28 February 1995
The goals of the study are (1) to use X-ray absorption near-edge spectroscopy (XANES) to determine forms of chlorine (inorganic, ionic, and organic) and forms of organic sulfur (organic sulfide and thiophenic sulfur) in as-shipped coals from Illinois mines, (2) to obtain basic data on chlorine removal via froth flotation at fine ({minus}200 mesh) and ultrafine ({minus}400 mesh) particle sizes, and (3) to evaluate XANES for direct assessment of the organic/inorganic affinities of trace elements. This is a cooperative effort among the Illinois State Geological Survey, the University of Kentucky, and Western Kentucky University. In this quarter, chlorine leachability during fine wet grinding of 21 coal samples was examined. The results show a general improvement in chlorine removal by grinding coals to {minus}200 mesh, but do not show further improvement by additional grinding to {minus}400 mesh. The chlorine and sulfur spectra of five coals , each from a distinct geographic location in Illinois, were examined. The chlorine XANES spectra for the five coals are similar and chloride anion was determined to be the predominant form of chlorine. The sulfur XANES data for the same coals show that a majority (61% to 82%) of organic sulfur in the coals is contributed …
Date:
December 31, 1995
Creator:
Chou, M.I.M.; Demir, I.; Ruch, R.R. & Lytle, S.
System:
The UNT Digital Library
Advanced characterization of forms of chlorine, organic sulfur and trace elements in available coals from operating Illinois mines. Quarterly report, 1 March 1995--31 May 1995
The goals of the study are (1) to use X-ray absorption near-edge spectroscopy (XANES) to determine forms of chlorine (inorganic, ionic, and organic) and forms of organic sulfur (organic sulfide and thiophenic sulfur) in as-shipped coals from Illinois mines, (2) to obtain basic data on chlorine removal via froth flotation at fine ({minus}200 mesh) and ultrafine ({minus}400 mesh) particle sizes, and (3) to evaluate XANES for direct assessment of the organic/inorganic affinities of trace elements. In the last quarter, chlorine leachability during fine wet grinding of 21 coal samples was examined. In this quarter, the effect of froth flotation/release analysis (FF/RA) on the Cl contents of coals ground to {minus}200 and {minus}400 mesh sizes is completed. The results indicate that a combination of wet grinding and FF/RA reduced Cl contents in most samples from regions 1,2, and 3 by 29--81% and in one sample from region 4S by 60%. The chlorine and sulfur spectra of 21 coals, from five distinct geographic locations in Illinois, were examined. The chlorine XANES spectra for the coals are similar and chloride anion was determined to be the predominant form of chlorine. The sulfur XANES data for these coals show that a majority (61% to …
Date:
December 31, 1995
Creator:
Chou, M. I. M.; Demir, I.; Ruch, R. R.; Lytle, J. M.; Bhagway, S.; Li, Y. C. et al.
System:
The UNT Digital Library
Advanced coal liquefaction. Final quarterly report, October 1, 1995--December 31, 1995
In this quarter, we successfully prepared a granular catalyst required for decomposing compound number 9 in the catalytic membrane reactor. The surface and porous properties of this catalyst are similar to the properties of the ceramic membrane surface. Thus, the catalytic reaction pattern from the granular catalyst is expected to be similar to that from the membranes surface. Further, this catalyst demonstrates a typical property of acid catalysts. The catalytic membrane reactor activity will be resumed in the next quarter using the catalyst prepared in this quarter. In addition, carbon coating of this catalyst did not reduce its acidic property significantly. More study will performed to determine the role of the carbon coating.
Date:
December 31, 1995
Creator:
unknown
System:
The UNT Digital Library
Advanced coal liquefaction. Quarterly Final report, July--September 1995
This quarterly report summarizes the comprehensive characterization of the silica-modified membrane system designed for studying the conversion of model compound {number_sign}9, 4-(1-naphthylmethyl)bibenzyl, at 400 {degrees}C. The conversion of compound {number_sign}9 through the tubular and porous surface of the membrane was determined. No reaction was observed for compound {number_sign}9 through the tubular surface at 400 {degrees}C and 200 psi. About 60-70% of compound {number_sign}9 was converted through the porous surface of the silica-modified Al{sub 2}O{sub 3}. Majority of the conversion (approximately 30-45%) was resulted from the breaking of bond ``d and/or e`` to form 4-(1-naphthylmethyl)ethylbenzene (or 4-(1- naphthylmethyl)methylbenzene). Minor reactions products (10-20%) were obtained via breaking of bonds a and b to form bibenzyl and methyl bibenzyl. The silica-modified Al{sub 2}O{sub 3} membrane surface appears more reactive but less specific than the carbon surface (as a catalyst) reported in the literature. The result obtained from this quarter provided the background about the reactivity of the membrane surface without packed catalysts. In the next quarter, we will concentrate on the incorporation of the catalyst to evaluate the selective removal of the reaction products by the membrane.
Date:
December 31, 1995
Creator:
unknown
System:
The UNT Digital Library
Advanced combustor design concepts to control NO{sub x} and air toxics. Quarterly report
Direct coal combustion must be a primary energy source for the electric utility industry and for heavy manufacturing during the next several decades because of the availability and economic advantage of coal relative to other fuels and because of the time required to product major market penetration in the energy field. However, the major obstacle to coal utilization is a set of ever-tightening environmental regulations at both the federal and local levels. It is, therefore, critical that fundamental research be conducted to support the development of low-emission, high efficiency pulverized coal power systems. The University of Utah, Massachusetts Institute of Technology (MIT), Reaction Engineering International (REI) and ABB/Combustion Engineering have joined together in this research proposal to develop fundamental understanding regarding the impact of fuel and combustion changes on ignition stability and flame characteristics because these critically affect: NO{sub x} emissions, carbon burnout, and emissions of air toxics. Existing laboratory and bench scale facilities are being used to generate critical missing data which will be used to improve the NO{sub x} and carbon burnout submodels in comprehensive combustion manufacture. 3 figs., 1 tab.
Date:
December 31, 1995
Creator:
Pershing, D.W.; Lighty, J. & Spinti, J.
System:
The UNT Digital Library
Advanced emissions control development program. Quarterly technical progress report {number_sign}4, July 1--September 30, 1995
Babcock and Wilcox (B and W) is conducting a five-year project aimed at the development of practical, cost-effective strategies for reducing the emissions of hazardous air pollutants (commonly called air toxics) from coal-fired electric utility plants. The need for air toxic emissions controls will likely arise as the US Environmental Protection Agency proceeds with implementation of Title III of the Clean Air Act Amendments of 1990. Data generated during the program will provide utilities with the technical and economic information necessary to reliably evaluate various air toxics emissions compliance options such as fuel switching, coal cleaning, and flue gas treatment. The development work is being carried out using B and W`s new Clean Environment Development Facility (CEDF) wherein air toxics emissions control strategies can be developed under controlled conditions, and with proven predictability to commercial systems. Tests conducted in the CEDF will provide high quality, repeatable, comparable data over a wide range of coal properties, operating conditions, and emissions control systems. The specific objectives of the project are to: (1) measure and understand the production and partitioning of air toxics species for a variety of steam coals, (2) optimize the air toxics removal performance of conventional flue gas cleanup systems …
Date:
December 31, 1995
Creator:
Farthing, G.A.
System:
The UNT Digital Library
Advanced Lost Foam Casting Quarterly Report, October 1, 1995--December 31, 1995
Objective is to advance the state of the art in lost foam casting technology, in order to improve the competitiveness of the US metals casting industries. The following tasks are reported on pyrolysis defects and sand distortion, bronze casting technology, steel casting technology, sand filling and compaction, coating technology, precision pattern production, and computational modeling.
Date:
December 31, 1995
Creator:
unknown
System:
The UNT Digital Library
ADVANCED PHYSICAL COAL CLEANING TO COMPLY WITH POTENTIAL AIR TOXIC REGULATIONS
Studies have indicated that the potentially hazardous trace elements found in coal have a strong affinity for coal pyrite. Thus, by maximizing the rejection of pyrite, one can minimize the trace element content of a given coal while also reducing sulfur emissions. The pyrite in most Illinois Basin coals, however, is finely disseminated within the coal matrix. Therefore, to remove the pyrite using physical coal cleaning techniques, the pyrite must be liberated by grinding the coal to ultrafine particle sizes. Fortunately, the coals being fed to pulverized coal boilers (PCB) are already ground to a very fine size, i.e., 70% passing 200 mesh. Therefore, this research project will investigate the use of advanced fine coal cleaning technologies for cleaning PCB feed as a compliance strategy. Work in this quarter has focused on the processing of a PCB feed sample collected from Central Illinois Power`s Newton Power Station using column flotation and an enhanced gravity separator as separate units and in a circuitry arrangement. The PCB feed sample having a low ash content of about 12% was further cleaned to 6% while achieving a very high energy recovery of about 90% in a single stage column flotation operation. Enhanced gravity treatment …
Date:
December 31, 1995
Creator:
Honaker, R. Q.; Paul, B. C. & Wang, D.
System:
The UNT Digital Library
Advanced physical coal cleaning to comply with potential air toxic regulations. Quarterly report, 1 March 1995--31 May 1995
Studies have indicated that the potentially hazardous trace elements found in coal have a strong affinity for coal pyrite. Thus, by maximizing the rejection of pyrite, one can minimize the trace element content of a given coal while also reducing sulfur emissions. The pyrite in most Illinois Basin coals, however, is finely disseminated within the coal matrix. Therefore, to remove the pyrite using physical coal cleaning techniques, the pyrite must be liberated by grinding the coal to ultrafine particle sizes. Fortunately, the coals being fed to pulverized coal boilers (PCB) are already ground to a very fine size, i.e., 70% passing 200 mesh. Therefore, this research project will investigate the use of advanced fine coal cleaning technologies for cleaning PCB feed as a compliance strategy. Work in this quarter has focused on the processing of a run-of-mine coal sample collected from Amax Coal Company`s Delta Coal mine using column flotation and an enhanced gravity separator as separate units and in circuitry arrangements. The {minus}60 mesh run-of-mine sample having an ash content of about 22% was cleaned to 6% while achieving a very high energy recovery of about 87% and a sulfur rejection value of 53% in a single stage column …
Date:
December 31, 1995
Creator:
Honaker, R. Q.; Paul, B. C.; Mohanty, M. K. & Wang, D.
System:
The UNT Digital Library
Advanced reservoir characterization and evaluation of CO{sub 2} gravity drainage in the naturally fractured Spraberry reservoir. [Quarterly report], September 1, 1995--December 31, 1995
The objective of this research and the pilot project planned is to test the feasibility of CO{sub 2} for recovering oil from the naturally fractured Spraberry Trend Area in the Midland Basin. This notoriously marginal reservoir has confounded operators for 40 years with rapid depletion, low recovery during primary, disappointing waterflood results and low ultimate recovery. Yet, the tremendous areal coverage and large amount of remaining oil (up to 10 Bbbl) warrants further investigation to expend all possible process options before large numbers of Spraberry wellbores need to be plugged and abandoned. CO{sub 2} injection on a continuous, pattern wide basis has not been attempted in the Spraberry Trend. This is due to the obvious existence of a network of naturally occurring fractures. However, it has become clear in recent years that neglecting CO{sub 2} injection as an option in fractured reservoirs may overlook potential projects which may be viable. The 15 well pilot filed demonstration and supporting research will provide the necessary information to quantify the conditions where by CO{sub 2} flooding would be economic in the Spraberry Trend. Technical progress for this quarter is described for field and laboratory experiments.
Date:
December 31, 1995
Creator:
Schechter, D.
System:
The UNT Digital Library
Advanced secondary recovery demonstration for the Sooner unit. Quarterly technical report, October 1, 1995--December 31, 1995
The Sooner {open_quotes}D{close_quotes} Sand Unit is located about 100 miles northeast from Denver. The Cretaceous {open_quotes}D{close_quotes} Sand has good primary recovery but disappointing waterflood performance. The nearest ten waterflood projects in the area of the Sooner Unit produced only an average of 2 percent incremental oil from waterflooding after an average primary recovery of 16 percent OOIP. Poor waterflood recovery is attributed to reservoir heterogeneity, poor reservoir management practices and lack of infill drilling. Three-dimensional (3-D) seismic had not been used in the D-J Basin for exploration or development of {open_quotes}D{close_quotes} Sand reservoirs prior to this project.
Date:
December 31, 1995
Creator:
Sippel, M.A. & Cammon, T.J.
System:
The UNT Digital Library
Advanced sorbent development program. Annual report, November 1, 1994--November 30, 1995
The overall objective of this program is to develop regenerable sorbents for hydrogen sulfide removal from coal-derived fuel gases in the temperature range 343--538 C. Two categories of reactor configurations are being considered: fixed-bed/moving-bed reactors and fluidized-bed (bubbling and circulating) reactors. In addition, a cost assessment and a market plan for large-scale fabrication of sorbents will be developed. As an optional task, a long-term bench-scale testing (100 cycles) of the best fixed-bed/moving-bed and fluidized-bed sorbents will be conducted. The sorbents will have chemical characteristics that permit cyclic regeneration over many cycles without a drastic loss of activity. They must also have physical characteristics that are compatible with the selected reactor, e.g., fixed vs fluidized bed, and which remain acceptable during absorption and regeneration. The sorbents must be capable of reducing the hydrogen sulfide level in the fuel gas to less than 20 ppmv in the specified temperature range and pressures in the range of 1 to 20 atmospheres. The proposed program is divided into several tasks: NEPA Report; Sorbent Preparation; Provision of Bench Unit; Bench Testing; Sorbent Cost Assessment; Topical Report; Market Plan; and Long-Term Testing. Progress on each of these is described.
Date:
December 31, 1995
Creator:
unknown
System:
The UNT Digital Library