Patent
1974-02-11
1976-02-10
Hornsby, Harvey C.
259DIG30, B01F 500, B01F 308
Patent
active
039374459
ABSTRACT:
A process and apparatus for obtaining the emulsification of two or more nonmiscible liquids is disclosed. The process includes the step of passing at least one of the liquids through a passive device in the flow path of the liquid. The passive device in its preferred form is so dimensioned that the liquid passes through a first section of decreasing cross-sectional area wherein the pressure for the liquid decreases below its Clausius-Calpeyron pressure for the temperature of the liquid thus resulting in the formation of bubbles in the liquid. The liquid containing bubbles then passes through a section of uniform cross-sectional area wherein the bubbles fully develop. Thereafter, the bubbles are permitted to violently contract and expand in a mixture of the two or more nonmiscible liquids to obtain the desired emulsification. A passive apparatus for obtaining the above is also disclosed.
REFERENCES:
patent: 2705620 (1955-04-01), Borck
patent: 2746735 (1956-05-01), Bradford
patent: 2957203 (1960-10-01), Marshall
patent: 3188055 (1965-06-01), Lutjens
patent: 3230924 (1966-01-01), Hughes
patent: 3233872 (1966-02-01), Bouyoucos
patent: 3744762 (1973-07-01), Schlicht
Cantor Alan
Hornsby Harvey C.
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