ISOPRENE PRODUCTION PROCESS

ISOPRENE PRODUCTION PROCESS

FIELD: industrial organic synthesis. ^ SUBSTANCE: invention relates to an isoprene production process involving dehydrogenation of isoamylene fraction in presence of overheated steam and iron oxide-based catalyst and is characterized by that catalyst has loose density at least 1.0 g/cc and not highe...

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Hauptverfasser: BUSYGIN VLADIMIR MIKHAJLOVICH, ASHIKHMIN GENNADIJ PETROVICH, BURGANOV TABRIZ GIL'MUTDINOVICH, TRIFONOV SERGEJ VLADIMIROVICH, SIDOROVA RAISA VASIL'EVNA, EGOROVA SVETLANA ROBERTOVNA, DEMENT'EVA EKATERINA VASIL'EVNA, ZIJATDINOV AZAT SHAJMULLOVICH, LAMBEROV ALEKSANDR ADOL'FOVICH, GIL'MUTDINOV NAIL' RAKHMATULLOVICH, GIL'MANOV KHAMIT KHAMISOVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:FIELD: industrial organic synthesis. ^ SUBSTANCE: invention relates to an isoprene production process involving dehydrogenation of isoamylene fraction in presence of overheated steam and iron oxide-based catalyst and is characterized by that catalyst has loose density at least 1.0 g/cc and not higher than 2.00 g/cc, apparent density at least 2.0 g/cc and not higher than 3.5 g/cc, and following composition. wt %: potassium compound 5-30, magnesium oxide 0.5-10, cerium(IV) oxide 5-20, calcium carbonate 1-10, molybdenum oxide 0.5-5, and ferric oxide - the rest. ^ EFFECT: improved selectivity of dehydrogenation process and increased activity and service cycle of catalyst. ^ 2 cl, 1 tbl, 7 ex