METHOD OF PRODUCING AROMATIC HYDROCARBONS IN A CHAMBER HEATED BY RADIANT HEATING MEANS WITH A VARIABLE HEAT FLOW

METHOD OF PRODUCING AROMATIC HYDROCARBONS IN A CHAMBER HEATED BY RADIANT HEATING MEANS WITH A VARIABLE HEAT FLOW

THE SPECIFICATION DESCRIBES A METHOD OF PRODUCING AROMATIC HYDROCARBONS FROM A CHARGE OF ALIPHATIC HYDROCARBONS WITH 2 TO 12 CARBON ATOMS, IN A CHAMBER 1 COMPRISING A PLURALITY OF PARALLEL TUBES 3 FILLED WITH A CATALYST AND ARRANGED IN ROWS. A SO-CALLED REACTION PHASE AND A CATALYST-REGENERATING PHA...

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Bibliographische Detailangaben
Hauptverfasser: DIDIER DUEE, PIERRE RENARD, ARI MINKKINEN
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Zusammenfassung:THE SPECIFICATION DESCRIBES A METHOD OF PRODUCING AROMATIC HYDROCARBONS FROM A CHARGE OF ALIPHATIC HYDROCARBONS WITH 2 TO 12 CARBON ATOMS, IN A CHAMBER 1 COMPRISING A PLURALITY OF PARALLEL TUBES 3 FILLED WITH A CATALYST AND ARRANGED IN ROWS. A SO-CALLED REACTION PHASE AND A CATALYST-REGENERATING PHASE ARE CARRIED OUT IN THE TUBES OF THE CHAMBER. THE TUBES ARE HEATED BY APPROPRIATE RADIANT HEATING MEANS 6, LOCATED BETWEEN TWO SUCCESSIVE ROWS AND ARRANGED IN LAYERS SUBSTANTIALLY PERPENDICULAR TO THE TUBES. THESE LAYERS HEAT A FIRST PART OF THE TUBES (AT THE FEED SIDE) WITH A HEAT FLUX GREATER THAN THE MEAN HEAT FLUX OF THE HEATING MEANS, AND SECOND, SUBSEQUENT PART WITH A MEAN FLUX NO MORE THAN EQUAL TO THE MEAN FLUX, SO THAT THE ISOTHERMICITY OF THE CATALYST IS SUBSTANTIALLY MAINTAINED, USING APPROPRIATE CONTROL MEANS.CAN BE APPLIED TO THE PRODUCTION OF BENZENE, TOLUENE AND XYLENES.