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in subjects: "Clays"  
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Wetland Treatment of Oil and Gas Well Wastewaters. Quarterly Technical Report, November 25, 1992--February 24, 1993

Description: During the first quarter of the above contract, all the elements of Task 1 were completed. The first quarterly report presented an overview of a wetland and its increasing use in industrial wastewater treatment. An idealized, reaction engineering description of wetlands was presented to demonstrate how the various processes that occur in a wetland can be modeled. Previous work on the use of wetlands to remove BOD, TSS, Phosphorus and Nitrogen was reviewed. Recent literature on the application o… more
Date: April 2, 1993
Creator: Kadlec, R. H. & Srinivasan, K. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Radioactive Demonstration of Final Mineralized Waste Forms for Hanford Waste Treatment Plant Secondary Waste by Fluidized Bed Steam Reforming Using the Bench Scale Reformer Platform

Description: The U.S. Department of Energy's Office of River Protection (ORP) is responsible for the retrieval, treatment, immobilization, and disposal of Hanford's tank waste. Currently there are approximately 56 million gallons of highly radioactive mixed wastes awaiting treatment. A key aspect of the River Protection Project (RPP) cleanup mission is to construct and operate the Waste Treatment and Immobilization Plant (WTP). The WTP will separate the tank waste into high-level and low-activity waste (LAW… more
Date: February 2, 2012
Creator: Crawford, C. L.; Burket, P. R.; Cozzi, A. D.; Daniel, W. E.; Jantzen, Carol M. & Missimer, D. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Constraints on Elastic Parameters and Implications for Lithology on Vti Media

Description: Energy considerations provide constraints on elastic stiffnesses in media exhibiting transverse isotropy with a vertical axis of symmetry. If the anisotropy is due to thin layers, additional constraints hold. The constraints can be used to provide insight into the mechanisms causing the anisotropy, which in turn gives information about the lithology. These ideas are illustrated by some examples of anisotropic sedimentary rocks and sediments from the literature.
Date: June 2, 1995
Creator: Berge, P. A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Transport of Iodine Species in the Terrestrial Environment

Description: The fate and transport of iodine in the environment is of interest because of the large production and release of {sup 129}I from anthropogenic sources. {sup 129}I has a long half-life (1.57 x 10{sup 7} years) and exhibits complex geochemical behavior. The main source of {sup 129}I in the environment is from nuclear fuel reprocessing facilities; about 2,600 kg from facilities in England and France. During 1944-1972, the Hanford Site in Washington state released about 260 kg {sup 129}I. Iodine h… more
Date: September 2, 2003
Creator: Hu, Q.; Moran, J. E. & Zhao, P.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Interaction of polymer with clays.

Description: Normally synthetic well defined monodisperse discotic laponite clays are known to form a gel phase at mass concentrations as low as a few percent in distilled water. Hydrosoluble polymer polyethylene oxide was added to this intriguing clay system, it was observed that it either prevents gelation or slows it down extremely depending on the polymer weight, concentration or the laponite concentration. Small Angle Neutron scattering (SANS) was used to study these systems because only by isotopic la… more
Date: July 2, 1999
Creator: Auvray, L. & Lal, J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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