Method in the production of hydrogen peroxide

Details Method in the production of hydrogen peroxide Method in the production of hydrogen peroxide

1982-09-29

1985-03-05

Doll, John

Chemistry of inorganic compounds

Oxygen or compound thereof

Peroxide

203 14, 203 49, C01B 1502

Patent

active

045030286

ABSTRACT:
A method in the production of hydrogen peroxide by the anthraquinone process is described, in which method anthraquinone derivatives dissolved in a working solution are subjected alternatingly to hydrogenation and oxidation. To reduce the relative moisture in the working solution to a suitable level of 20-98%, preferably 40-85%, the working solution is dried prior to hydrogenation by contacting it with a gas or a gaseous mixture, the water vapor pressure of which is below that of the working solution. Suitable gases or gas mixtures are air or exhaust gases from the oxidation stage of the anthraquinone process.

REFERENCES:
patent: 763387 (1904-06-01), Gathmann
patent: 1833717 (1931-11-01), Laird
patent: 1854385 (1932-04-01), Van Schaack
patent: 1996852 (1935-04-01), Bergell
patent: 2867507 (1959-01-01), Gleason et al.
patent: 3111460 (1963-11-01), Orr
patent: 3326778 (1967-06-01), Mock
patent: 3345272 (1967-10-01), Collins
patent: 3409515 (1968-11-01), Baird et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, Third Edition, vol. 8, (1979), John Wiley & Sons, p. 78.

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