C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 15/023 (2006.01)
Patent
CA 2535500
The invention concerns a process for the preparation of hydrogen peroxide by the anthraquinone cyclic process, which includes a regeneration stage in which working solution is regenerated by being brought into contact with an aqueous solution containing an alkyl anthrahydroquinone and/or an alkyl tetrahydroanthrahydroquinone in deprotonated form. The working solution regenerated in the regeneration stage is returned to the cyclic process.
L'invention porte sur un procédé de préparation du peroxyde d'hydrogène par le processus cyclique de l'anthraquinone, ce procédé comprenant une étape de régénération dans laquelle une solution de travail est régénérée par sa mise en contact avec une solution aqueuse contenant une alkyl anthrahydroquinone et/ou une alkyl tétrahydroanthrahydroquinone dans sa forme déprotonée. La solution de solution régénérée à l'étape de régénération est renvoyée au processus cyclique.
Glenneberg Juergen
Goor Gustaaf
Staab Eugen
Degussa Ag
Evonik Degussa Gmbh
Marks & Clerk
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