METHOD FOR PRODUCING METHACROLEIN AND THE CONDITIONING/DRAINING THEREOF FOR DIRECT OXIDATIVE ESTERIFICATION

The present invention relates to a process for preparing methyl methacrylate by direct oxidative esterification of methacrolein and the preparation of methacrolein. It is a feature of this novel process that it was possible to distinctly increase the yield and the efficiency of the process compared...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LYGIN, ALEXANDER, BALDUF, TORSTEN, BURGHARDT, RUDOLF, GROMPING, MATTHIAS, KRILL, STEFFEN
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The present invention relates to a process for preparing methyl methacrylate by direct oxidative esterification of methacrolein and the preparation of methacrolein. It is a feature of this novel process that it was possible to distinctly increase the yield and the efficiency of the process compared to the prior art through a sequence of different distillation steps.