Method in the production of hydrogen peroxide
Patent
·
OSTI ID:5501753
A method in the production of hydrogen peroxide by the anthraquinone process is described, in which method anthraquinone derivatives dissolved in a working solution are subjected alternatingly to hydrogenation and oxidation. To reduce the relative moisture in the working solution to a suitable level of 20-98%, preferably 40-85%, the working solution is dried prior to hydrogenation by contacting it with a gas or a gaseous mixture, the water vapor pressure of which is below that of the working solution. Suitable gases or gas mixtures are air or exhaust gases from the oxidation stage of the anthraquinone process.
- Assignee:
- Eka AB (Sweden)
- Patent Number(s):
- US 4503028
- OSTI ID:
- 5501753
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
08 HYDROGEN
080102* -- Hydrogen-- Production-- Thermochemical Processes
ANTHRAQUINONES
AROMATICS
CHEMICAL REACTIONS
DISSOLUTION
DRYING
FLUIDS
HYDROGEN COMPOUNDS
HYDROGEN PEROXIDE
HYDROGENATION
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDATION
OXYGEN COMPOUNDS
PEROXIDES
PRODUCTION
QUINONES
WORKING FLUIDS
080102* -- Hydrogen-- Production-- Thermochemical Processes
ANTHRAQUINONES
AROMATICS
CHEMICAL REACTIONS
DISSOLUTION
DRYING
FLUIDS
HYDROGEN COMPOUNDS
HYDROGEN PEROXIDE
HYDROGENATION
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDATION
OXYGEN COMPOUNDS
PEROXIDES
PRODUCTION
QUINONES
WORKING FLUIDS