Chemistry of inorganic compounds – Miscellaneous process
Patent
1976-12-01
1980-04-22
Bernstein, Hiram H.
Chemistry of inorganic compounds
Miscellaneous process
423320, 422259, B01D 1200
Patent
active
041995570
ABSTRACT:
A process for introducing and mixing a liquid, in a substantially liquid medium, comprising a rotary agitator whose axis is vertical and which is capable of creating a zone of turbulence above the liquid level, the liquid is introduced in the form of a vertical jet which is converted above the level of the liquid medium into a horizontal sheet of droplets to which there is imparted a centrifugal movement, by causing the jet to impinge on a surface that is fixed perpendicularly to the axis of the agitator, and mixing being effected above said level. In its preferred embodiment the apparatus is particularly suited for introducing corrosive liquids into a liquid medium containing solid particles in suspension. It is advantageously used for the wet-process production of phosphoric acid.
REFERENCES:
patent: 936182 (1909-10-01), Steidle
patent: 2528514 (1950-11-01), Harvey et al.
patent: 3170761 (1965-02-01), Janikowski
patent: 3181931 (1965-05-01), Weber
patent: 3186803 (1965-06-01), Akaboshi et al.
patent: 3347620 (1967-10-01), Yamashita
patent: 3888973 (1975-06-01), Colwell et al.
Bernstein Hiram H.
Rhone-Poulenc Industries
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