公开(公告)号：US11993513B2

公开(公告)日：2024-05-28

申请号：US16981366

申请日：2019-03-19

Applicant: SOLVAY SA

Inventor： Juan-Teva Carlier ,  Pierre Dournel ,  Karol Lorent

IPC: C01B15/023

CPC classification number: C01B15/023

Abstract: Process for manufacturing an aqueous hydrogen peroxide solution comprising the following steps: —hydrogenating a working solution which comprises an alkylanthraquinone and/or tetrahydroalkylanthraquinone and a mixture of a non-polar organic solvent and a polar organic solvent wherein the concentration of non-polar organic solvent in said mixture is equal to or higher than 30 wt %; —oxidizing the hydrogenated working solution to produce hydrogen peroxide; and—isolating the hydrogen peroxide, wherein the polar organic solvent is a substituted cyclohexane carbonitrile.