PURIFICATION AND/OR REGENERATION PROCESS OF FULLY OR PARTIALLY DEACTIVATED CATALYSTS FOR REMOVING NITROGEN FROM CHIMNEY GASES

摘要

The invention concerns a method of cleaning and/or regenerating wholly or partially de-activated catalysts for stack-gas nitrogen scrubbing, in which the catalysts are treated with a washing and/or regenerating liquid, characterized by the washing or regenerating liquid consisting wholly or in part of demineralized water.