Process for preparing catalysts for producing methacrylic acid

• Main Authors: ISHII, KAZUHIRO, OH-KITA, MOTOMU, KURODA, TORU
• Format: Patent
• Language: English; French; German
• Published: 08.06.1994
• Edition: 5
• 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

In a process for producing a catalyst having a composition represented by the following formula usable to produce methacrylic acid by the gas-phase catalytic oxidation of methacrolein with molecular oxygen, PaMobCucVdXeYfZgOh wherein P, Mo, Cu, V and O are phosphorus, molybdenum, copper, vanadium an...