SELECTIVE ADSORPTION OF CO2 ON ZEOLITES

THE INVENTION RELATES TO THE BULK REMOVAL OF CARBON DIOXIDE FROM NON-ACIDIC GASES. CARBON DIOXIDE IS SELECTIVELY ADSORBED AND SEPARATED FROM NON-ACIDIC GASES SUCH AS NITROGEN, HYDROGEN AND METHANE USING A PRESSURE SWING ADSORPTION PROCESS IN A FIXED ADSORPTION BED CONTAINING A FAUJASITE TYPE OF ZEOL...

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Hauptverfasser:	HENRY RASTELLI, CHIEN CHUNG CHAO, DESH RAJ GARG
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	THE INVENTION RELATES TO THE BULK REMOVAL OF CARBON DIOXIDE FROM NON-ACIDIC GASES. CARBON DIOXIDE IS SELECTIVELY ADSORBED AND SEPARATED FROM NON-ACIDIC GASES SUCH AS NITROGEN, HYDROGEN AND METHANE USING A PRESSURE SWING ADSORPTION PROCESS IN A FIXED ADSORPTION BED CONTAINING A FAUJASITE TYPE OF ZEOLITIC MOLECULAR SIEVE CONTAINING AT LEAST 20 EQUIVALENT PER CENT OF AT LEAST ONE CATION SPECIES SELECTED FROM THE GROUP CONSISTING OF ZINC, RARE EARTH, HYDROGEN AND AMMONIUM.