CATALYST FOR PRODUCING ACRYLIC ACID AND METHOD OF PRODUCING ACRYLIC ACID USING THE CATALYST

CATALYST FOR PRODUCING ACRYLIC ACID AND METHOD OF PRODUCING ACRYLIC ACID USING THE CATALYST

PROBLEM TO BE SOLVED: To provide a catalyst for producing acrylic acid with high efficiency in a method of producing acrylic acid by the catalytic gas phase oxidation of acrolein. SOLUTION: The catalyst, for producing acrylic acid by the catalytic gas phase oxidation of acrolein in the presence of m...

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Bibliographische Detailangaben
1. Verfasser: HAKOZAKI NOBUYUKI
Format: Patent
Sprache:eng
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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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a catalyst for producing acrylic acid with high efficiency in a method of producing acrylic acid by the catalytic gas phase oxidation of acrolein. SOLUTION: The catalyst, for producing acrylic acid by the catalytic gas phase oxidation of acrolein in the presence of molecular oxygen or molecular oxygen-containing gas, is an oxide catalyst containing molybdenum and vanadium as essential components. The catalytic component has an L*value, an a*value, and b*value in the L*a*b*color system in the ranges of 20≤L*≤40, -3≤a*≤3, and -4≤b*≤4. COPYRIGHT: (C)2010,JPO&INPIT