RHODIUM/INORGARNIC IODIDE CATALYST SYSTEM FOR METHANOL CARBONYLATION PROCESS WITH IMPROVED IMPURITY PROFILE

RHODIUM/INORGARNIC IODIDE CATALYST SYSTEM FOR METHANOL CARBONYLATION PROCESS WITH IMPROVED IMPURITY PROFILE

THE METHOD OF THE PRESENT INVENTION PROVIDES AN IMPROVEMENT UPON PRIOR ART METHANOL CARBONYLATION METHODS WHICH SUBSTANTIALLY REDUCES THE PRODUCTION OF CARBONYL IMPURITIES. THE PRODUCTION OF CARBONYL IMPURITIES, PARTICULARLY ACETALDEHYDE, CROTONALDEHYDE, AND 2-ETHYL CROTONALDEHYDE, IN METHANOL CARBO...

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Bibliographische Detailangaben
Hauptverfasser: MARK O. SCATES, R. JAY WARNER, VALERIE SANTILLAN, G. PAULL TORRENCE, PRAMOD AGRAWAL
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Zusammenfassung:THE METHOD OF THE PRESENT INVENTION PROVIDES AN IMPROVEMENT UPON PRIOR ART METHANOL CARBONYLATION METHODS WHICH SUBSTANTIALLY REDUCES THE PRODUCTION OF CARBONYL IMPURITIES. THE PRODUCTION OF CARBONYL IMPURITIES, PARTICULARLY ACETALDEHYDE, CROTONALDEHYDE, AND 2-ETHYL CROTONALDEHYDE, IN METHANOL CARBONYLATION REACTIONS HAS BEEN FOUND TO DECREASE BY MAINTAINING A PARTIAL PRESSURE OF HYDROGEN BETWEEN ABOUT 0.1 AND 4 PSIA REACTION TOTAL PRESSURE OF FROM ABOUT 15 TO ABOUT 40 ATMOSPHERES TOTALREACTION PRESSURE.