Process for the preparation of an ultra pure hydrogen peroxide s

Details Process for the preparation of an ultra pure hydrogen peroxide s Process for the preparation of an ultra pure hydrogen peroxide s

1997-06-03

1999-12-14

Langel, Wayne

Chemistry of inorganic compounds

Oxygen or compound thereof

Peroxide

C01B 1501

Patent

active

060013249

ABSTRACT:
Provided is a process for the preparation of an ultrapure hydrogen peroxide solution to be purified through at least one bed of anion-exchange adsorbents and at least one bed of cation-exchange adsorbents. The at least one bed of anion-exchange adsorbents contains carboxylate ion of formula R--COO.sup.- in which R represents a hydrogen atom, an aryl radical containing from 6 to 10 carbon atoms or an alkyl radical containing from 1 to 4 carbon atoms. The aryl and alkyl radicals are either unsubstituted or substituted by one or more fluorine atoms. A first bed of the at least one bed of anion-exchange adsorbents through which the solution to be purified passes is a bed containing carboxylate ions of formula R--COO.sup.-. Also provided is a plant for the implementation of the inventive process.

REFERENCES:
patent: 3074782 (1963-01-01), Meeker et al.
patent: 3294488 (1966-12-01), Dunlop et al.
patent: 4999179 (1991-03-01), Sugihara et al.
patent: 5733521 (1998-03-01), Minamikawa et al.

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