PROCESS FOR CONVERTING OXYGENATES TO OLEFINS USING MOLECULAR SIEVE CATALYSTS COMPRISING DESIRABLE CARBONACEOUS DEPOSITS

THE PRESENT INVENTION RELATES TO METHODS FOR SELECTIVELY CONVERTING OXYGENATES TO LIGHT OLEFINS, PREFERABLY ETHYLENE AND PROPYLENE, IN WHICH DESIRABLE CARBONACEOUS DEPOSITS ARE MAINTAINED ON A TOTAL REACTION VOLUME OF CATALYST BY TOTALLY REGENERATING ONLY A PORTION OF THE TOTAL REACTION VOLUME OF CA...

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Hauptverfasser:	JAMES RICHARDSON LATTNER, DAVID C. SKOUBY, STEPHEN NEIL VAUGHN, KEITH H. KUECHLER, HSIANG-NING SUN
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	THE PRESENT INVENTION RELATES TO METHODS FOR SELECTIVELY CONVERTING OXYGENATES TO LIGHT OLEFINS, PREFERABLY ETHYLENE AND PROPYLENE, IN WHICH DESIRABLE CARBONACEOUS DEPOSITS ARE MAINTAINED ON A TOTAL REACTION VOLUME OF CATALYST BY TOTALLY REGENERATING ONLY A PORTION OF THE TOTAL REACTION VOLUME OF CATALYST ANDMIXING THE REGENERATED PORTION WITH THE UNREGENERATED TOTAL REACTION VOLUME OF CATALYST. (FIGURE 1)