PHILLIPSITE-GISMONDITE FOR AMMONIUM ION REMOVAL

摘要

1510018 Phillipsite-gismondite removal of ammonium ion UNION CARBIDE CORP 14 July 1975 [15 July 1974] 29443/75 Heading C1C A process for the removal by zeolitic cationic exchange of ammonium ions from an aqueous solution containing at least one alkali or alkaline earth cation comprises the use of a phillipsitegismondite type zeolite for effecting said removal. Zeolites having the structures phillipsite, harmotome, gismondite, zeolite P, zeolite W or zeolite ZK-19 may be used.