Process for producing hydrogen peroxide

Details Process for producing hydrogen peroxide Process for producing hydrogen peroxide

1995-03-14

1997-06-10

Langel, Wayne

Chemistry of inorganic compounds

Oxygen or compound thereof

Peroxide

422211, C01B 15023

Patent

active

056372868

ABSTRACT:
The invention relates to a method for producing hydrogen peroxide by the anthraquinone process, by feeding into the top part of a fixed bed reactor (4) hydrogen (3) and a working solution (1), i.e. an anthraquinone derivative in an organic solvent, and by making these infed substances flow downwardly in the reactor, in order to catalytically hydrogenate the anthraquinone derivative owing to the influence of the catalyst bed (6) and by removing the hydrogenated working solution (9) from the reactor. According to the invention, there is used a fixed bed reactor provided with a stationary catalyst bed that has an open structure. The said working solution is fed into the top part of the reactor at a velocity so high that a separate gas space is not created at the top of the reactor, and that in the top part there is created a dense dispersion of the working solution and gas, and that in the reactor itself there is maintained a relatively high flow velocity, in order to make the said dense dispersion proceed deep down into the catalyst bed. The invention also relates to a fixed bed reactor used for realizing the process.

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WO93/02960 (Turunen et al) published Feb. 18, 1993.

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