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  • Chemistry  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    Process for fission-product removal from uranium-Bismuth reactor fuels by use of fused-salt extraction (1956)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 2 (1956), S. 163-168 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The liquid-metal-fuel reactor under development at the Brookhaven National Laboratory uses a fuel which is a solution of U233, Mg, and Zr in liquid bismuth. For a power breeder thermal reactor, high neutron economy is essential, and this calls for low concentrations of those fission products in the fuel which are high neutron capturers. Roughly 45% by weight of the fission products can be continuously removed from the fuel by salt extraction with alkali and alkaline-earth fused-salt mixtures. These fission products contain the highly “poisonous” rare earths. This paper will present a discussion of processdesign considerations and proposed flow sheets.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690020207
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Heat transfer and fluid dynamics in mercury-water spray columns (1959)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 5 (1959), S. 257-262 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Heat transfer and fluid dynamics were studied in columns in which hot mercury was sprayed into a rising stream of water. Volumetric and area heat transfer coefficients are presented which were found to be lower than those reported for heat transfer from fixed spheres.It was observed that considerable water bypassed the stream of drops, while some surrounding the drops flowed downward. This behavior resulted in water temperatures at the base of the column which were considerably higher than the inlet water temperatures. Consequently the outlet mercury temperature did not approach the inlet water temperature as a limit. The very unconventional flow pattern of the water was unexpected and is believed to be an important factor in spray-column heat transfer and mass transfer kinetics.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690050224
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  • 3
    Electronic Resource
    Electronic Resource
    Eddy transport in liquid-metal heat transferThis work was done under the auspices of the U.S. Atomic Energy Commission. (1963)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 9 (1963), S. 261-268 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: There are certain semiempirical equations for estimating heat transfer coefficients for liquid metals flowing through regular shapes. These contain the factor ψ, which is the average, effective value of the ratio of the eddy diffusivity of heat transfer to that for momentum transfer. The main problem in liquid metal heat transfer has been to evaluate this quantity.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690090224
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    Paper (German National Licenses)
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