METHOD FOR PRODUCING ACRYLIC ACID

Provided is a method for producing acrylic acid which comprises subjecting a composition containing propionaldehyde to a gas-phase oxidative dehydrogenation reaction using a solid catalyst that comprises Mo and V as the essential components to thereby produced acrylic acid. The acrylic acid thus obt...

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Bibliographische Detailangaben
Hauptverfasser:	MORIGUCHI, TOSHIMITSU, ARITA, YOSHITAKA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Provided is a method for producing acrylic acid which comprises subjecting a composition containing propionaldehyde to a gas-phase oxidative dehydrogenation reaction using a solid catalyst that comprises Mo and V as the essential components to thereby produced acrylic acid. The acrylic acid thus obtained is preferably purified via a crystallization step and then a monomer component containing the purified acrylic acid is polymerize to thereby give a hydrophilic resin such as a water-absorbing resin or a water-soluble resin.