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SALT PHASE CHLORINATION OF REACTOR FUELS. IV. NIOBIUM BEHAVIOR IN THE LEAD CHLORIDE AND CHLORINE-LEAD CHLORIDE SYSTEMS

Description: Investigation of the behavior of Nb in PbCl/sub 2/ showed that the Nb dissolution rate is quite low. Since stirring increases the rate appreciably, it is likely that the initial reaction is diffusion controlled. A subsequent reaction is linear in rate with an activation energy of 23.4 kcal per mole. Incomplete volatilization of dissolved Nb from PbCl/sub 2/ is due to the presence of lower oxidation states of Nb. The addition of Cl to PbCl/sub 2/ increases the rate of dissolution of Nb. The rate… more
Date: March 15, 1962
Creator: Teague, J. L.; Hahn, H. T. & Vander Wall, E. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Oxygen electrodes for energy conversion and storage. Annual report, 1 October 1977-30 September 1978

Description: Research on the development of high performance, long life O/sub 2/ cathodes for both alkaline and acid electrolytes for a spectrum of applications including industrial electrolysis, fuel cells, and metal-air batteries is described. Oxygen electrocatalysts studied include platinum, silver, underpotential deposited layers and alloy metal layers on noble metal substrates, intercalated graphite, transition metal macrocyclic complexes, and transition metal oxides. Research on gas fed electrodes is … more
Date: January 15, 1980
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Laboratory Studies of the Sensitivity of Tropospheric Ozone to the Chemistry of Sea Salt Aerosol. Final Report, September 15, 1993--September 14, 1994

Description: Ozone plays a critical role in both the chemistry and radiation balance of the troposphere. Understanding the factors controlling tropospheric ozone levels is critical to our understanding of a variety of issues in global chemistry and climate change. Chlorine atoms have the potential to contribute significantly to the ozone balance in the free troposphere. They can react directly with ozone or alternately, with organics and may actually lead to the formation of ozone in the presence of suffici… more
Date: November 15, 1994
Creator: Finlayson-Pitts, B. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Development of Neutron Probes for Characterization of Hazardous Materials in the Sub-surface Medium

Description: Neutron probes are being developed at the Idaho National Engineering and Environmental Laboratory (INEEL) for the detection, identification and quantification of hazardous materials in the ground. Such materials include plutonium, uranium, americium, chlorine and fluorine. Both a Neutron Gamma (NG) probe and a Prompt Fission Neutron (PFN) probe are being developed. The NG probe is used primarily for nuclide identification and quantification measurements. The PFN is used mostly for the detection… more
Date: May 15, 2002
Creator: Keegan, R.P.; McGrath, C.A. & Lopez, J.C.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Reaction of Bullfrog tuff with J-13 well water at 90{sup 0}C and 150{sup 0}C

Description: A series of experiments was conducted on crushed tuff at 90{sup 0}C and 150{sup 0}C and on core wafer samples at 150{sup 0}C. The results show the following: increasing the ratio of rock to water increases the rate of approach to steady-state concentrations in solution. Surface outcrop samples of Bullfrog tuff contain a minor component of highly soluble material believed to be a residue from the evaporation of surface runoff water in the pores of the rock. This material can be removed by shakin… more
Date: September 15, 1983
Creator: Oversby, V.M. & Knauss, K.G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Alkali Deposits Found in Biomass Power Plants: A Preliminary Investigation of Their Extent and Nature. Volume 1

Description: Alkali in the ash of annual crop biomass fuels creates serious fouling and slagging in conventional boilers. Even with the use of sorbents and other additives, power plants can only fire limited amounts of these fuels in combination with wood. The National Renewable Energy Laboratory (NREL), US Department of Energy, and the biomass power industry carried out eight full-scale firing tests and several laboratory experiments to study the nature and occurrence of deposits with the goal of increasin… more
Date: April 15, 1995
Creator: Miles, T. R.; Miles Jr., T. R.; Baxter, L. L.; Bryers, R. W.; Jenkins, B. M. & Oden, L. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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