CATALYST FOR METHACRYLIC ACID PRODUCTION, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING METHACRYLIC ACID

• Main Authors: NISHIMURA, Eiji, KONNO, Yosuke, EJIRI, Tomoyuki, SAKAI, Hideomi
• Format: Patent
• Language: English; French; German
• Published: 25.01.2017
• Subjects: 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

Disclosed is a method for producing a catalyst for producing methacrylic acid by subjecting methacrolein or the like to vapor phase catalytic oxidation, which contains, as essential active components, Mo, V, P, Cs, NH 4 and Cu, the method including (a) a step of preparing a heteropoly acid aqueous s...