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Energy-related inventions program invention 637. Final technical report
The final technical report for the Pegasus plow, a stalk and root embedding apparatus, describes progress from the development stage to the product support stage. The US Department of Agriculture - Agriculture Research Service (ARS) is now in the second year of a three year study comparing the Pegasus to conventional tillage. So far, no downside has been with the Pegasus and the following benefits have been documented: (1) Energy savings of 65.0 kilowatt hours per hectare over conventional tillage. This is when the Pegasus plow is used to bury whole stalks, and represents a 70% savings over conventional tillage (92.5 kilowatt hours per hectare). (2) Four to seven fewer passes of tillage, depending on the particular situation. This represents a substantial time savings to farmers. (3) So far, no differences in cotton yields. Recent cotton boll counts in one study indicate a higher yield potential with the Pegasus. (4) No disease problems. (5) Significantly higher levels of organic matter in the soil. A hypothesis of the study is that whole stalk burial may reduce plant disease problems. This hypothesis has not yet been proven. (6) Significantly higher levels of nitrate nitrogen. Total nitrogen and ammonia nitrogen trended higher but …
Date:
July 31, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Energy Technology Division research summary 1997.
The Energy Technology Division provides materials and engineering technology support to a wide range of programs important to the US Department of Energy. As shown on the preceding page, the Division is organized into ten sections, five with concentrations in the materials area and five in engineering technology. Materials expertise includes fabrication, mechanical properties, corrosion, friction and lubrication, and irradiation effects. Our major engineering strengths are in heat and mass flow, sensors and instrumentation, nondestructive testing, transportation, and electromechanics and superconductivity applications. The Division Safety Coordinator, Environmental Compliance Officers, Quality Assurance Representative, Financial Administrator, and Communication Coordinator report directly to the Division Director. The Division Director is personally responsible for cultural diversity and is a member of the Laboratory-wide Cultural Diversity Advisory Committee. The Division's capabilities are generally applied to issues associated with energy production, transportation, utilization or conservation, or with environmental issues linked to energy. As shown in the organization chart on the next page, the Division reports administratively to the Associate Laboratory Director (ALD) for Energy and Environmental Science and Technology (EEST) through the General Manager for Environmental and Industrial Technologies. While most of our programs are under the purview of the EEST ALD, we also have had …
Date:
October 21, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Enforcement actions: Significant actions resolved individual actions. Semiannual progress report, January 1997--June 1997
This compilation summarizes significant enforcement actions that have been resolved during the period (January - June 1997) and includes copies of Orders and Notices of Violation sent by the Nuclear Regulatory Commission to individuals with respect to these enforcement actions. It is anticipated that the information in this publication will be widely disseminated to managers and employees engaged in activities licensed by the NRC. The Commission believes this information may be useful to licensees in making employment decisions.
Date:
September 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Enforcement actions: Significant actions resolved individuals actions. Semiannual progress report, July--December 1996
This compilation summarizes significant enforcement actions that have been resolved during the period (July - December 1996) and includes copies of Orders and Notices of Violation sent by the Nuclear Regulatory Commission to individuals with respect to-these enforcement actions. It is anticipated that the information in this publication will be widely disseminated to managers and employees engaged in activities licensed by the NRC. The Commission believes this information may be useful to licensees in making employment decisions.
Date:
April 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Enforcement actions: Significant actions resolved material licensees. Semiannual progress report, July--December 1996
This compilation summarizes significant enforcement actions that have been resolved during the period and includes copies of letters, Notices, and Orders sent by the Nuclear Regulatory Commission to material licensees with respect to these enforcement actions. It is anticipated that the information in this publication will be widely disseminated to managers and employees engaged in activities licensed by the NRC, so that actions can be taken to improve safety by avoiding future violations similar to those described in this publication.
Date:
April 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Enforcement actions: Significant actions resolved, reactor licensees. Semiannual progress report, January--June 1997; Volume 16, Number 1, Part 2
This compilation summarizes significant enforcement actions that have been resolved during the period (January--June 1997) and includes copies of letters, Notices, and Orders sent by the Nuclear Regulatory Commission to reactor licensees with respect to these enforcement actions. It is anticipated that the information in this publication will be widely disseminated to managers and employees engaged in activities licensed by the NRC, so that actions can be taken to improve safety by avoiding future violations similar to those described in this publication.
Date:
September 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Enforcement actions: Significant actions resolved reactor licensees. Semiannual progress report, July 1996--December 1996
This compilation summarizes significant enforcement actions that have been resolved during the period (July-December 1996) and includes copies of letters, Notices, and Orders sent by the Nuclear Regulatory Commission to reactor licensees with respect to these enforcement actions. It is anticipated that the information in this publication will be widely disseminated to managers and employees engaged in activities licensed by the NRC, so that actions can be taken to improve safety by avoiding future violations similar to those described in this publication.
Date:
April 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The Engineering Compliance Program development process and its role in design
This paper presents an overview of the Engineering Compliance Program (ECP) development process and its role in design. The ECP is a formal program to assess Nuclear Regulatory Commission (NRC) regulatory guidance in terms of precedence, industry experience documents, and codes and standards to determine their applicability to Mined Geologic Disposal System (MGDS) design. These determinations are documented in ECP Guidance Packages for MGDS Structures, Systems and Components (SSCs). This ensures that the license application appropriately reflects the MGDS design and facilitates NRC acceptance and compliance review.
Date:
December 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Engineering development of advanced coal-fired low-emissions boiler systems. Fourth quarterly report, 1996
The goal of the NO{sub x} Subsystem is to achieve continuous operation of the Low Emissions Boiler System (LEBS) at NO{sub x} emissions at or below 0. 20 lb/MBtu through combustion techniques only, with a further target of 0.1 lb NO{sub x}/MBtu using supplementary advanced flue gas cleanup technologies if necessary. These goals places practical constraints that must be considered on the NO{sub x} Subsystem design. Not only must the boiler be designed to achieve time temperature mixing histories that minimize NO{sub x}, but it must also be designed to operate that way throughout its working lifetime. Therefore, NO{sub x} minimization strategies must be integrated into the control systems for every boiler component from the pulverizers to the stack. Furthermore, these goals must be met without increases in carbon loss and CO emissions from the levels achieved with current low-NO{sub x} combustion systems. Therefore, the NO{sub x} Subsystem requires not only sound mechanical designs of burners, furnace surface, and staging air/fuel injectors, but also sensors and software to allow control of their operation. Through engineering analysis, experimental testing, and numerical modeling in Phase 2, an advanced low NO{sub x} control system is being developed. The progress of these activities is …
Date:
February 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Engineering development of advanced coal-fired low-emissions boiler systems. Quarterly project technical status report, January 1997-- March 1997
The goal of the NO{sub x} Subsystem is to achieve continuous operation of the Low-Emssions Boiler System (LEBS) at NO{sub x} emissions at or below 0.20 lb/MBtu through combustion techniques only, with a further target of 0.1 lb NO{sub x}Mbtu using supplementary advanced flue gas cleanup technologies if necessary. These goals places practical constraints that must be considered on the NO{sub x} Subsystem design. Not only must the boiler be designed to achieve time-temperature mixing histories that minimize NO{sub x} but it must also be designed to operate that way throughout its working lifetime. Therefore, NO{sub x} minimization strategies must be integrated into the control systems for every boiler component from the pulverizers to the stack. Furthermore, these goals must be met without increases in carbon loss and CO emissions from the levels achieved with current low-NO{sub x} combustion systems. Therefore, the NO{sub x} Subsystem requires not only sound mechanical designs of burners, furnace surface, and staging air/fuel injectors, but also sensors and software to allow control of their operation. Through engineering analysis, experimental testing, and numerical modeling in Phase II, an advanced low-NO{sub x} control system is being developed. The progress of these activities is presented in this report. …
Date:
April 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Engineering development of advanced coal-fired low-emissions boiler systems. Quarterly report, April 1--June 30, 1997
This progress report is on the project by Babcock and Wilcox Company to develop an advanced coal-fired low-emissions boiler system. The topics of the report include project management, the NO{sub x} subsystem, the SO{sub 2}/particulate/air toxics/solid by-product subsystem, boiler subsystem, balance of plant subsystem, and controls and sensors subsystems.
Date:
December 31, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
ENGINEERING DEVELOPMENT OF ADVANCED PHYSICAL FINE COAL CLEANING FOR PREMIUM FUEL APPLICATIONS
Bechtel, together with Amax Research and Development Center (Amax R&D), has prepared this study which provides conceptual cost estimates for the production of premium quality coal-water slurry fuel (CWF) in a commercial plant. Two scenarios are presented, one using column flotation technology and the other the selective agglomeration to clean the coal to the required quality specifications. This study forms part of US Department of Energy program �Engineering Development of Advanced Physical Fine Coal Cleaning for Premium Fuel Applications,� (Contract No. DE-AC22- 92PC92208), under Task 11, Project Final Report. The primary objective of the Department of Energy program is to develop the design base for prototype commercial advanced fine coal cleaning facilities capable of producing ultra-clean coals suitable for conversion to stable and highly loaded CWF. The fuels should contain less than 2 lb ash/MBtu (860 grams ash/GJ) of HHV and preferably less than 1 lb ash/MBtu (430 grams ash/GJ). The advanced fine coal cleaning technologies to be employed are advanced column froth flotation and selective agglomeration. It is further stipulated that operating conditions during the advanced cleaning process should recover not less than 80 percent of the carbon content (heating value) in the run-of-mine source coal. These goals for …
Date:
June 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Engineering development of coal-fired high performance power systems, Phase 2: Selective non-catalytic reduction system development
Most of the available computational models for Selective Non- Catalytic Reduction (SNCR) systems are capable of identifying injection parameters such as spray droplet size, injection angles and velocity. These results allow identification of the appropriate injection locations based on the temperature window and mixing for effective dispersion of the reagent. However, in order to quantify No{sub x} reduction and estimate the potential for ammonia slip, a kinetic model must be coupled with the mixing predictions. Typically, reaction mechanisms for SNCR consist of over 100 elementary steps occurring between approximately 30 different species. Trying to model a mechanism of this size is not practical. This ABB project incorporated development of SNCR systems including NO{sub x} reduction and ammonia slip. The model was validated using data collected from a large-scale experimental test facility. The model developed under this project can be utilized for the SNCR system design applicable to HIPPS. The HITAF design in the HIPPS project includes low NO{sub x} firing system in the coal combustor and both selective non-catalytic reduction (SNCR) downstream of the radiant heating section and selective catalytic reduction in a lower temperature zone. The performance of the SNCR will dictate the capacity and capital cost requirements of …
Date:
February 24, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Engineering evaluation/cost analysis for the 233-S Plutonium Concentration Facility
The deactivated 233-S Plutonium Concentration Facility (233-S Facility) is located in the 200 Area. The facility has undergone severe degradation due to exposure to extreme weather conditions. A rapid freeze and thaw cycle occurred at the Hanford Site during February 1996, which caused cracking to occur on portions of the building`s roof. This has resulted in significantly infiltration of water into the facility, which provides a pathway for potential release of radioactive material into the environment (air and/or ground). The weather caused several existing cracks in the concrete portions of the structure to lengthen, increasing the potential for failed confinement of the radioactive material in the building. Differential settlement has also occurred, causing portions of the facility to separate from the main building structure thus creating a potential for release of radioactive material t the environment. An expedited removal action is proposed to ensure that a release from the 233-S Facility does not occur. The US Department of Energy (DOE), Richland Operations Office (RL), in cooperation with the EPA, has prepared this Engineering Evaluation/Cost Analysis (EE/CA) pursuant to CERCLA. Based on the evaluation, RL has determined that hazardous substances in the 233-S Facility may present a potential threat to human …
Date:
January 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Enhancement of methane conversion using electric fields. Quarterly report, January 1--March 31, 1997
The goal of this project is the development of novel, economical, processes for the conversion of natural gas to more valuable projects such as methanol, ethylene and other organic oxygenates or higher hydrocarbons. The methodologies of the project are to investigate and develop low temperature electric discharges and electric field-enhanced catalysis for carrying out these conversions. In the case of low temperature discharges, the conversion is carried out at ambient temperature which in effect trades high temperature thermal energy for electric energy as the driving force for conversion. The low operating temperatures relax the thermodynamic constraints on the product distribution found at high temperature and also removes the requirements of large thermal masses required for current technologies. With the electric field-enhanced conversion, the operating temperatures are expected to be below those currently required for such processes as oxidative coupling, thereby allowing for a higher degree of catalytic selectivity while maintaining high activity.
Date:
August 1, 1997
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Ensemble: 1997-02-04 - Spectrum
Ensemble concert performed at the UNT College of Music Recital Hall.
Date:
February 4, 1997
Creator:
unknown
Object Type:
Sound
System:
The UNT Digital Library
Ensemble: 1997-03-11 - Spectrum 4
Ensemble concert performed at the UNT College of Music Recital Hall.
Date:
March 11, 1997
Creator:
unknown
Object Type:
Sound
System:
The UNT Digital Library
Ensemble: 1997-04-08 - Spectrum
Ensemble concert performed at the UNT College of Music Recital Hall.
Date:
April 8, 1997
Creator:
unknown
Object Type:
Sound
System:
The UNT Digital Library
Ensemble: 1997-04-16 - Chamber Winds
Ensemble concert performed at the UNT College of Music Recital Hall.
Date:
April 16, 1997
Creator:
unknown
Object Type:
Sound
System:
The UNT Digital Library
Ensemble: 1997-12-02 - Spectrum 2
Composition recital performed at the UNT College of Music Recital Hall.
Date:
December 2, 1997
Creator:
unknown
Object Type:
Sound
System:
The UNT Digital Library
[Envelope labeled to Al Daniels from Community Games 2002]
Enveloped labeled to Al Daniels from Community Games 2002, October 31, 1997.
Date:
October 31, 1997
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
[Envelope labeled to Al Daniels from Gary Fitzsimmons, 1997]
Enveloped labeled to Al Daniels from Gary Fitzsimmons, 1997
Date:
June 2, 1997
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
[Envelope labeled to Community Games 2002]
Envelope to Community Games, 2002 Inc.
Date:
1997
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
[Envelope to Al Daniels from Lesbian / Gay Political Coalition]
Envelope-to Al Daniels from the Lesbian Gay Political Coalition was sent on April 17, 1997 and received on April 22, 1997.
Date:
April 17, 1997
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library