Plant for the preparation of an ultra pure hydrogen peroxide solution by ionic exchange in beds having defined H/D ratios
AssigneeL'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
InventorsHenry Ledon, Christine Devos
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Abstract
Provided is a process for the preparation of an ultrapure hydrogen peroxide solution. The process includes at least one sequence which includes successively passing a solution to be purified through at least one bed of cation-exchange adsorbents (CEA) and at least one bed of anion-exchange adsorbents (AEA). The beds of adsorbents each exhibit a height to diameter ratio of greater than 3. Also provided is a plant for the implementation of the inventive process.
Claims4
A plant for implementing a process for the preparation of an ultra pure hydrogen peroxide solution, comprising a source of a hydrogen peroxide solution to be purified, at least one bed of cation-exchange adsorbents and at least one bed of anion-exchange adsorbents, said beds being connected to allow the hydrogen peroxide solution to be successively passed therethrough, wherein each of said beds exhibit a height to diameter ratio of between 5 and 10, said plant being connected to a point of use of the ultrapure hydrogen peroxide solution.
Dependencies are inferred from the claim text.