Method and device for stripping ammoniacal water countercurrentl

Details Method and device for stripping ammoniacal water countercurrentl Method and device for stripping ammoniacal water countercurrentl

1982-12-14

1986-12-30

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 54, 55 70, B01D 1900

Patent

active

046326766

ABSTRACT:
In a method of stripping ammonia from water using steam in countercurrent flow, wherein steam is supplied over a sump of a stripper and directed along with the stripped gas component from a head of the stripper, the method comprising keeping the counterpressure constant while the temperature of supplied ammoniacal water is elected and the partial pressure of the component to be stripped is correspondingly lowered by adding compressed saturated vapors which have not been cooled and correspondingly reducing the steam volume.

REFERENCES:
patent: 932758 (1909-08-01), Collin
patent: 1450562 (1923-04-01), Piette
patent: 1654782 (1928-01-01), Bird
patent: 2012621 (1935-08-01), Bennett
patent: 3054726 (1962-09-01), Fields et al.
patent: 3754376 (1973-08-01), Kent
patent: 3920419 (1975-11-01), Schroeder et al.
patent: 4248608 (1981-02-01), Giammarco et al.

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