Process for the production of hydrogen peroxide

Details Process for the production of hydrogen peroxide Process for the production of hydrogen peroxide

C - Chemistry, Metallurgy

01

B

C01B 15/023 (2006.01)

Patent

CA 2477086

The aim of the invention is to increase the cost effectiveness of an anthraquinone method for the production of hydrogen peroxide comprising a hydrogenating step, an oxidation step and an extraction step. According to the invention, the oxidation waste gas exiting from the oxidation reactor at an excess pressure is guided as a propulsion jet to one or more gas emitters and a vacuum is produced for auxiliary processes, such as drying the working solution, distillation of the aqueous hydrogen peroxide solution and suction of respiratory gases by solvent storage tanks.

L'invention concerne l'augmentation de la rentabilit~ du proc~d~ par anthraquinone comprenant une ~tape d'hydrog~nation, une ~tape d'oxydation et une ~tape d'extraction, pour produire du peroxyde d'hydrog­ne. Selon l'invention, les gaz brÛl~s d'oxydation qui se d~gagent du r~acteur d'oxydation avec une surpression, sont achemin~s en tant que jet propulseur jusqu'~ un ou plusieurs diffuseurs de gaz et produisent ainsi du vide pour des processus auxiliaires, tels que le s~chage de la solution de travail, la distillation de la solution aqueuse de peroxyde d'hydrog­ne et l'aspiration de gaz de respiration au niveau de r~servoirs de stockage de solvant.

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