Process for the concentration of hydrogen peroxide

Details Process for the concentration of hydrogen peroxide Process for the concentration of hydrogen peroxide

1972-05-01

1976-04-20

Vertiz, Oscar R.

Chemistry of inorganic compounds

Oxygen or compound thereof

Peroxide

C01B 1502

Patent

active

039520897

ABSTRACT:
Hydrogen peroxide solution is produced by the anthraquinone process as a crude extraction product of over 50% H.sub.2 O.sub.2, using working solutions having (1) as the reaction carrier quinone derivatives having a molecular weight below 275, (2) H.sub.2 O.sub.2 capacities below 15 grams H.sub.2 O.sub.2 /liter of working solution, and (3) distribution coefficients of over 30, preferably over 40. The crude H.sub.2 O.sub.2 extract is water stripped to above 80% concentration and then concentrated to above 90% by freezing.

REFERENCES:
patent: 3010808 (1961-11-01), Holmes et al.
patent: 3041143 (1962-06-01), Dawsey
patent: 3714342 (1973-01-01), Kabisch

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