B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
B01J38/00—Regeneration or reactivation of catalysts, in general
B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
B01J38/12—Treating with free oxygen-containing gas
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
C07C5/321—Catalytic processes
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
C07C5/333—Catalytic processes
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
Y02P20/00—Technologies relating to chemical industry
Y02P20/50—Improvements relating to the production of bulk chemicals
Y02P20/584—Recycling of catalysts
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Chemical & Material Sciences
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Organic Chemistry
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Chemical Kinetics & Catalysis
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Engineering & Computer Science
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Materials Engineering
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Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Procede et dispositif de craquage catalytique comprenant en parallele au moins un reacteur a ecoulement ascendant et au moins un reacteur a ecoulement descendant