PURIFICATION OF AIR

Process of reducing water, CO 2 and N 2 O in feed air, which: a first adsorbent such as alumina (25-40% volume) and a second adsorbent such as X zeolite (60-75% volume) are used; the online time of the adsorbent is determined by determining the concentration measured by an analyser for CO 2 concentr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KALBASSI, MOHAMMAD ALI, RAISWELL, CHRISTOPHER JAMES, GOLDEN, TIMOTHY CHRISTOPHER, FINOT, ANTHONY, BOTELHO, ANN MARIE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MIXTURES BY PRESSURE AND COLD TREATMENT PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRIGERATION OR COOLING SEPARATION TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	Process of reducing water, CO 2 and N 2 O in feed air, which: a first adsorbent such as alumina (25-40% volume) and a second adsorbent such as X zeolite (60-75% volume) are used; the online time of the adsorbent is determined by determining the concentration measured by an analyser for CO 2 concentration at a position within the length of the second adsorbent when a maximum level of N 2 O is simutaneously obtained at the downstream end of the second adsorbent in the feed direction, wherein the online time is the time taken from commencing passing the feed air to the first and second adsorbents to the measurement by the analyser of the determined concentration of CO 2 ; at least the second adsorbent is regenerated by heated regeneration gas at a temperature of 140°C-220°C; and the molar ratio of the regenerating gas to feed air supplied during one iteration of the cycle is 0.08-0.5.