Regeneration of acidic catalysts
AssigneeChevron U.S.A. Inc.
InventorsSaleh Elomari, Thomas V. Harris
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Abstract
A process for regenerating a used acidic catalyst which has been deactivated by conjunct polymers by removing the conjunct polymers so as to increase the activity of the catalyst is disclosed. Methods for removing the conjunct polymers include hydrogenation, addition of a basic reagent and alkylation. The methods are applicable to all acidic catalysts and are described with reference to certain ionic liquid catalysts.
Claims14
A process for regenerating a used acidic catalyst which has been deactivated by complexation with conjunct polymers by freeing the conjunct polymers from complexation by an addition of a basic reagent to form new complexes so as to increase the activity of the catalyst;
- wherein the used acidic catalyst is selected from the group consisting of H2SO4, AlCl3, and an acidic ionic liquid catalyst.
Dependencies are inferred from the claim text.