Distillation apparatus for removal of volatile acids from aqueou

Details Distillation apparatus for removal of volatile acids from aqueou Distillation apparatus for removal of volatile acids from aqueou

1989-05-24

1990-04-17

Bascomb, Wilbur

Distillation: apparatus

Apparatus

Systems

202197, 202234, 203 96, 203DIG6, 203DIG9, 422189, 422195, B01D 332

Patent

active

049177699

ABSTRACT:
A process for removing volatile acids from aqueous solutions which involves steam stripping a volatile acid from an aqueous solution and contacting the vaporized acid with a reactable cation to form a salt of the acid. A preferred embodiment of apparatus comprises an elongated distillation column having therein a plurality of zones or stages wherein the volatile acid in the aqueous feed stream is vaporized by steam and then the vaporized acid is carried by the steam into a salt formation zone or stage to react with a reactable cation to form a salt of the acid.

REFERENCES:
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patent: 2070100 (1937-02-01), Twomey
patent: 2134882 (1938-11-01), Monro
patent: 2444527 (1948-07-01), Pomeroy
patent: 2988347 (1961-06-01), Molique
patent: 3189531 (1965-06-01), Hack et al.
patent: 3412016 (1968-11-01), Graven
patent: 3506408 (1970-04-01), Kageyama et al.
patent: 4406745 (1983-09-01), Martel
patent: 4475005 (1984-10-01), Paret
patent: 4818346 (1989-04-01), Bentham et al.

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