Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Means separating or dissolving a material constituent
Patent
1986-03-24
1989-05-23
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Means separating or dissolving a material constituent
422257, B01D 1104
Patent
active
048329231
ABSTRACT:
A liquid-liquid extraction column for use for example, in the solvent extraction of uranium and/or plutonium from an aqueous phase, comprises a perforated plate packing in which each plate (10) has flanges (18) associated with its perforations, which flanges (18) project upstream with respect to the disperse phase flow direction (arrows 14) so as to define a collecting zone (20) for disperse phase droplets (16) which thereby form a film or layer of the disperse phase component on the upstream face of each plate (10). In this way, droplet formation at the perforations of each plate (10) is not significantly influenced by variations of the wetting characteristics of the plate with time.
REFERENCES:
patent: 2011186 (1935-08-01), Van Dijck
patent: 2153507 (1939-04-01), Mann, Jr.
patent: 2191919 (1940-02-01), Thayer
patent: 2759872 (1956-08-01), Claridge et al.
patent: 2767068 (1956-10-01), Maycock et al.
patent: 3108859 (1963-10-01), Koski
Long, Engineering for Nuclear Fuel Reprocessing, pp. 550-553, Gordon and Breach, New York, London, Paris, 1967.
Treybal, Liquid Extraction, 2nd Edition, pp. 462-472, McGraw-Hill Book Co., Inc., New York, San Francisco, Toronto, London, 1963.
Robert E. Treybal, Liquid Extraction, 2nd Edition, pp. 526-529 and 466-467.
Justin T. Long, Engineering for Neclear Fuel Reprocessing, p. 552.
Hinds William R.
Johnson William R.
Richman Barry S.
United Kingdom Atomic Energy Authority
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