Process for the preparation of hydrogen peroxide (i)

Details Process for the preparation of hydrogen peroxide (i) Process for the preparation of hydrogen peroxide (i)

C - Chemistry, Metallurgy

01

B

23/289, 23/397,

C01B 15/023 (2006.01) B01J 16/00 (2006.01) B01J 19/24 (2006.01)

Patent

CA 2008651

Abstract The invention relates to a process for the production of- hydrogen peroxide by the anthraquinone process. A reaction mixture into which there are fed hydrogen or a hydrogen- containing gas and a working solution, i.e. an anthra- quinone derivative in an organic solvent, is circulated via a tubular static mixing zone (9) which is continuous or comprises several parts, in order to hydrogenate the anthraquinone derivative in the presence of a solid cata- lyst, and by removing hydrogenated working solution (13) and gas (11) from the circulating reaction mixture (8). According to the invention, the reaction mixture (14) is circulated (8) via a catalyst-coated static mixing zone (9), where it is simultaneously both mixed and catalyzed.

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