Cyclic process for the production of hydrogen peroxide

Details Cyclic process for the production of hydrogen peroxide Cyclic process for the production of hydrogen peroxide

1984-09-21

1985-04-02

Doll, John

Chemistry of inorganic compounds

Oxygen or compound thereof

Peroxide

C01B 1502

Patent

active

045086966

ABSTRACT:
Improved recycle processes for preparing hydrogen peroxide to hydrogenating alkylanthraquinone in a solvent to form hydrogenated alkylanthraquinone, treating the resulting liquid with an oxygen-containing gas to form hydrogen peroxide and regenerate the quinone, extracting the hydrogen peroxide with water, and recycling the quinone, wherein the quinones are 2-ethylanthraquinone (EAQ) and 2-ethyl-5,6,7,8-tetrahydroanthraquinone (H.sub.4 EAQ) and losses of quinone are made up exclusively with H.sub.4 EAQ, the solvent being methylcyclohexyl acetate and a nine carbon-atom alkylbenzene, these processes providing reduced losses of the active intermediate and improved operation of the hydrogen peroxide production unit.

REFERENCES:
patent: 3408163 (1968-10-01), Franchuk et al.
patent: 3540847 (1970-11-01), Logan
patent: 3767779 (1973-10-01), Coingt
patent: 3838178 (1974-09-01), Vaughan

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