CATALYST FOR SYNTHESIS OF METHACROLEIN

PURPOSE:To obtain a catalyst composition for obtaining methacrolein in high selectively and high yield, by forming a ring shaped catalyst from catalytically active substance shown by formula. CONSTITUTION:This catalyst is a ring shaped one having a shape with an outer diameter of 3.0-10.0mm. and a l...

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Bibliographische Detailangaben
Hauptverfasser:	SAITOU NOBORU, SATAKE TAKESHI, AOKI RIYUUJI, NAGAI ISAO
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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Beschreibung
Zusammenfassung:	PURPOSE:To obtain a catalyst composition for obtaining methacrolein in high selectively and high yield, by forming a ring shaped catalyst from catalytically active substance shown by formula. CONSTITUTION:This catalyst is a ring shaped one having a shape with an outer diameter of 3.0-10.0mm. and a length of 0.5-2.0 times of the outer diameter and having a through hole with an inner diameter of 0.1-0.7 times of the outer diameter in the longitudinal axis direction thereof and formed of catalytically active substance shown by formula MoaWbBicFedAeBfCgDhOx (wherein A is Ni or Co; B is alkali metal, alkaline earth metal or Tl; C is P, Te, Sb or the like and D is one kind among Si, Al, Ti or the like. (a-h) and (x) respectively show the atomic numbers of Mo, W, Bi, Fe, A-D and O and, when (a) is fixed to 12, (b) is 0-10, (c) is 0.1-10.0, (d) is 0.1-2.0, (f) is 0-10, (g) is 0-4 and (h) is 0- 30 and (x) takes a numerical value determined by the oxidation state of each element).