Method in the production of hydrogen peroxide

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

C - Chemistry, Metallurgy

01

B

23/289

C01B 15/023 (2006.01) C01B 21/096 (2006.01)

Patent

CA 1203670

CANADIAN PATENT APPLICATION OF BENGT GUSTAF FRANZ?N AND WOLFGANG HERRMANN FOR A METHOD IN THE PRODUCTION OF HYDROGEN PEROXIDE Abstract of the Disclosure 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.

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