Process for obtaining aqueous hydrogen peroxide solutions

Details Process for obtaining aqueous hydrogen peroxide solutions Process for obtaining aqueous hydrogen peroxide solutions

1992-08-20

1994-04-12

Langel, Wayne

Chemistry of inorganic compounds

Oxygen or compound thereof

Peroxide

423589, 423590, C01B 15023

Patent

active

053023676

ABSTRACT:
Process for obtaining aqueous hydrogen peroxide solutions by the alkylanthraquinone process, providing a concentrated aqueous hydrogen peroxide solution with a low content of impurities, according to which a continuous addition of acidifying compounds and/or of stabilising compounds is performed, consisting in recycling towards the oxidation unit at least a part of the purge leaving the distillation unit.

REFERENCES:
patent: 2901323 (1959-08-01), Sprauer
patent: 3043666 (1962-07-01), Siwinski
patent: 3073755 (1963-01-01), Banfield et al.
patent: 3321279 (1967-05-01), Williams
patent: 3372990 (1968-03-01), Charret
patent: 3617219 (1971-11-01), Cook et al.
patent: 3714342 (1973-01-01), Kabisch
patent: 3949063 (1976-04-01), Coingt
The Industrial Chemist, "A New Process for Hydrogen Peroxide", Jan. 1959, pp. 9-16.

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