PROCEDE ET DISPOSITIF A COMBUSTION ETAGEE POUR LA REGENERATION D'UN CATALYSEUR DE REFORMAGE OU DE PRODUCTION D'AROMATIQUES EN LIT MOBILE

Regenerating a movable catalyst bed for reforming or producing aromatic hydrocarbons, whereby the catalyst coats a support, at least one noble metal and at least one halogen, comprises use of a combustion stage with treatment for the catalyst in at least two successive combustion zones. Each combust...

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Hauptverfasser:	BRUNET FRANCOIS XAVIER, BROMET EMMANUELLE, DEVES JEAN MARIE
Format:	Patent
Sprache:	fre
Schlagworte:	APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CRACKING HYDROCARBON OILS FUELS GENERAL METHODS OF ORGANIC CHEMISTRY LUBRICANTS METALLURGY MINERAL WAXES ORGANIC CHEMISTRY PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Regenerating a movable catalyst bed for reforming or producing aromatic hydrocarbons, whereby the catalyst coats a support, at least one noble metal and at least one halogen, comprises use of a combustion stage with treatment for the catalyst in at least two successive combustion zones. Each combustion zone is separated from the adjacent zones in such a way as to allow the passage of the catalyst but obstruct the passage of gases. In each zone at least one gas containing oxygen is introduced and the gases produced are extracted from each zone. The severity of the operating conditions in each combustion zone increases in the direction of movement of the catalyst.