SEPARATION OF MEHACROLEIN AND/OR METHACRYLIC ACID FROM AQUEOUS SOLUTION CONTAINING TREM

The prepn. of a methacrylic acid and recovery of methacrylic acid and methacrolein comprises (a) the catalytic oxidation of methacrolein(precursor) with molecular oxygen, (b) condensing water and methacrylic acid by direct contacting gaseous reaction mixt. with condensed liquor, (c) sepq. non conden...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	AYANO MASAKI, ORUI DETSUYA, KAOGUJI TSUNEJIRO, KATO MICHIO
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The prepn. of a methacrylic acid and recovery of methacrylic acid and methacrolein comprises (a) the catalytic oxidation of methacrolein(precursor) with molecular oxygen, (b) condensing water and methacrylic acid by direct contacting gaseous reaction mixt. with condensed liquor, (c) sepq. non condensed gaseous mixt. and methacrolein from gaseous reaction mixt., (d) evaporating and recovery of methacrylic acid and methacrolein from sump and top, resp.