Process for preparing aluminium species
AssigneeConopco, Inc.
InventorsOlivier Deschaume, Carole Celia Perry, Kirill Shafran
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Abstract
A static ion-exchange process for the preparation of a polynuclear Al species comprising the treatment of an aqueous aluminum chloride solution with a hydroxide-form ion-exchange resin at a temperature of from 5° C. to 60° C. for a period of at least 30 minutes.
Claims14
A static ion-exchange process for the preparation of polynuclear Al species comprising Al13-mer and/or Al30-mer, said process comprising treating a reaction mixture comprising an aqueous aluminum chloride solution and a hydroxide-form ion-exchange resin at a temperature of from 5° C. to 60° C. for a period of at least 30 minutes, wherein the ratio of hydroxide ion equivalents to aluminium ions in the reaction mixture, H, is from 2.1 to 2.6.
Dependencies are inferred from the claim text.