CATALYST FOR DEHYDRATING GLYCERIN AND METHOD FOR PRODUCING ACROLEIN

PROBLEM TO BE SOLVED: To provide a catalyst which is used for dehydrating glycerin to produce acrolein and deterioration of the acrolein yield of which with time can be suppressed and to provide a method for producing acrolein. SOLUTION: The catalyst for dehydrating glycerin is obtained by essential...

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Hauptverfasser:	ARITA YOSHIO, TSUNEKI HIDEAKI
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 which is used for dehydrating glycerin to produce acrolein and deterioration of the acrolein yield of which with time can be suppressed and to provide a method for producing acrolein. SOLUTION: The catalyst for dehydrating glycerin is obtained by essentially carrying the crystallized salt containing phosphorus and at least one element selected from aluminum, zirconium and boron and/or at least one element selected from rare earth elements on an amorphous porous carrier which contains ≥90 mass% silica and has micropores having 0.1-30 μm pore size and nanopores having 1-50 nm pore size. COPYRIGHT: (C)2011,JPO&INPIT