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Study of Dispersant Agents for Thorium Oxide
A preliminary study of dispersing agents for thorium oxide has been completed and several of the dispersants have possible uses. Also many of the industrial dispersing agents tested are not usable with thorium oxide due to induced behavior causing balling and caking. The effects of nitric acid concentration have been observed to also effect each dispersing agent.
Date:
August 7, 1959
Creator:
Bate, L. C. & Leddicotte, G. W.
System:
The UNT Digital Library
Two-Liquid-Phase Temperature Limits for the Homogeneous Reactor Fuel Solution and its Concentrates; Comments on Solid-Liquid Equilibria.
Temperatures are given at which two liquid phases form in a synthetic homogeneous reactor fuel solution and its concentrates. The data show a two-liquid-phase boundary temperature of 332°C for the Particular HRT Fuel composition and a flat minimum temperature of 305°C for the initial solution concentrated between 300 and 329°C are presented to indicate solution stability in this temperature region. Some related comments on current HRT operations are given.
Date:
August 11, 1959
Creator:
Marshall, W. L.; Gill, J. S. & Moore, R. E.
System:
The UNT Digital Library
Chemical Development Section C Monthly Progress Report August 1959
Uranium extractions from carbonate solutions were effective and phase separation rates were rapid using a new commercial quaternary extractant, Alamine 336. Extraction coefficients were approximately proportional to the quaternary concentration. Addition of -0.5 mole tridecanol/mole quaternary to the solvent gave optimum extraction efficiency and phase separation rates.
Date:
September 8, 1959
Creator:
Brown, K. B.; Allen, K. A.; Coleman, C. F.; Crouse, D. J. & Ryon, A. D.
System:
The UNT Digital Library
Secondary-Side Water Treatment for Corrosion Control in Aluminum Heat Exchangers: Practices and Results at the Oak Ride Research Reactor
Standard water treatment practices have proven adequate for scale and corrosion control on the secondary side of the ORR pool-cooling heat exchanger. Corrosion rates measured on specimens exposed to secondary water showed maximum corrosion rates of approximately 1 mpy during the first exposure period and these rates decreased during subsequent exposure.
Date:
August 12, 1959
Creator:
P. D. Neumann
System:
The UNT Digital Library