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before the activated alumina is used for the treatment of water it shall be subjected to an initialisation procedure which includes the use of acidic or alkaline chemicals to remove any residues and a backwash treatment to remove fine particles.
inden den aktiverede aluminiumoxid anvendes til rensning af vand, gennemgår den en initialiseringsprocedure, der omfatter anvendelse af sure eller alkaliske kemikalier, som skal fjerne eventuelle restkoncentrationer, og ekstraktion, som skal fjerne småpartikler.