METHOD FOR PRODUCING ISOBUTYLENE FROM ACETONE

PROBLEM TO BE SOLVED: To provide: a method for producing isobutylene from acetone in high selectivity from the early period of reaction; and a method for producing biomass-originated isobutylene by converting acetone produced from biomass into isobutylene.SOLUTION: Isobutylene is produced from aceto...

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Hauptverfasser:	YASUKAWA JUNYA, MASUDA TAKAO, OYAUCHI KEN, NINOMIYA KO, TAKO TERUFUSA
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:	PROBLEM TO BE SOLVED: To provide: a method for producing isobutylene from acetone in high selectivity from the early period of reaction; and a method for producing biomass-originated isobutylene by converting acetone produced from biomass into isobutylene.SOLUTION: Isobutylene is produced from acetone with 0.6-20 mass% water content, using as a catalyst at least one selected from a group consisting of a zeolite having an acid center ion-exchanged by a cation, a zeolite-allied substance having an acid center ion-exchanged by a cation, and mesoporous silica and a solid acid catalyst using the same as a base material. Also isobutylene is produced from acetone with 0.6-20 mass% water content, using as a catalyst a zeolite or zeolite-allied substance with the acid center inactivated by an organosilicon compound having a molecular size smaller than the pore diameter of the zeolite or zeolite-allied substance among zeolite or zeolite-allied substances.