Overview of geochemical modeling needs for nuclear waste management (open access)

Overview of geochemical modeling needs for nuclear waste management

Research needs include, but are not limited to: measurement of basic thermodynamic data at elevated temperatures for species identified by modelers as potentially important; evaluation of substances which control or limit precipitation and/or nucleation kinetics; sorption studies specifically designed to provide data needed for modeling. This includes the rate of sorption, desorption, and the characterization of the solid and aqueous phases; site-mixing models and thermodynamic data for secondary minerals that form solid solutions; the development of standard techniques for measuring rate laws for precipitation and dissolution kinetics; and measurement of rate laws describing redox kinetics, dissolution, and precipitation involving aqueous species and solid phases of interest to geochemical modelers.
Date: May 25, 1984
Creator: Isherwood, D. & Wolery, T.
Object Type: Article
System: The UNT Digital Library
Social Security: Reexamining Eligibility for Disability Benefits (open access)

Social Security: Reexamining Eligibility for Disability Benefits

None
Date: May 25, 1984
Creator: Koitz, David
Object Type: Report
System: The UNT Digital Library
Texas Register, Volume 9, Number 39, Pages 2845-2894, May 25, 1984 (open access)

Texas Register, Volume 9, Number 39, Pages 2845-2894, May 25, 1984

A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date: May 25, 1984
Creator: Texas. Secretary of State.
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Uranium Density and Enrichment in Fuel Tubes Determined from 232U and 235U Y-Activities (open access)

Uranium Density and Enrichment in Fuel Tubes Determined from 232U and 235U Y-Activities

Gamma spectroscopy is used to determine 235U density and enrichment in U-Al fuel tubes containing recycled fuel. A collimated HPGe Y-detector views the tube surface, such that U-Al disk volumes of 6.35 mm diameter and approximately 1.0 mm thickness are examined. The Y-activities from 232U and 235U, along with the tube design parameters, are used to deduce the attenuation-corrected results. Respective density and enrichment variations of less than 1 percent and less than 0.6e percent were measurable with 2000 sec counting time per tube location. Such measurements are useful for certifying tube quality and characterizing problems associated with blending the U-Al alloy.
Date: May 25, 1984
Creator: Winn, Willard G.
Object Type: Article
System: The UNT Digital Library
Utilities and offsite design baseline. Outside Battery Limits Facility 6000 tpd SRC-I Demonstration Plant. Volume 3 (open access)

Utilities and offsite design baseline. Outside Battery Limits Facility 6000 tpd SRC-I Demonstration Plant. Volume 3

Volume III contains information on: water treatment (potable, process and waste water) and waste solids handling. (LTN)
Date: May 25, 1984
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Utilities and offsites design baseline. Outside Battery Limits Facility 6000 tpd SRC-I Demonstration Plant. Volume 1 (open access)

Utilities and offsites design baseline. Outside Battery Limits Facility 6000 tpd SRC-I Demonstration Plant. Volume 1

As part of the overall Solvent Refined Coal (SRC-1) project baseline being prepared by International Coal Refining Company (ICRC), the RUST Engineering Company is providing necessary input for the Outside Battery Limits (OSBL) Facilities. The project baseline is comprised of: design baseline - technical definition of work; schedule baseline - detailed and management level 1 schedules; and cost baseline - estimates and cost/manpower plan. The design baseline (technical definition) for the OSBL Facilities has been completed and is presented in Volumes I, II, III, IV, V and VI. The OSBL technical definition is based on, and compatible with, the ICRC defined statement of work, design basis memorandum, master project procedures, process and mechanical design criteria, and baseline guidance documents. The design basis memorandum is included in Paragraph 1.3 of Volume I. The baseline design data is presented in 6 volumes. Volume I contains the introduction section and utility systems data through steam and feedwater. Volume II continues with utility systems data through fuel system, and contains the interconnecting systems and utility system integration information. Volume III contains the offsites data through water and waste treatment. Volume IV continues with offsites data, including site development and buildings, and contains raw materials …
Date: May 25, 1984
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Utilities and offsites design baseline. Outside Battery Limits Facility 6000 tpd SRC-I Demonstration Plant. Volume 2 (open access)

Utilities and offsites design baseline. Outside Battery Limits Facility 6000 tpd SRC-I Demonstration Plant. Volume 2

Volume 2 contains flowsheets and equipment specifications for the following parts of the plant: cooling water systems, process water supply, potable water supply, nitrogen system, compressed air system, flares, incinerators, fuels and interconnecting systems (pipes). The instrumentation requirements are included. (LTN)
Date: May 25, 1984
Creator: unknown
Object Type: Report
System: The UNT Digital Library