CATALYST FOR CYCLIZATION OF PENTADIENE-1,3 INTO CYCLOPENTENE AND CYCLOPENTANE, PROCESS FOR MAKING SAME AND METHOD FOR USING IT

A catalyst for cyclization of pentadiene-1,3 into cyclopentene and cyclopentane comprises a membrane made from an alloy of 84.58-94.95 by mass of palladium, 4.975-14.99% by mass of ruthenium or rhodium and 0.05-0.5% by mass of zinc or gallium and consisting of a non-porous layer and a porous layer p...

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Hauptverfasser:	ALEXANDR PETROVICH MISCHENKO, VLADIMIR MIKHAILOVICH GRYAZNOV, MARIA EVGRAFOVNA SARYLOVA
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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creator	ALEXANDR PETROVICH MISCHENKO VLADIMIR MIKHAILOVICH GRYAZNOV MARIA EVGRAFOVNA SARYLOVA
description	A catalyst for cyclization of pentadiene-1,3 into cyclopentene and cyclopentane comprises a membrane made from an alloy of 84.58-94.95 by mass of palladium, 4.975-14.99% by mass of ruthenium or rhodium and 0.05-0.5% by mass of zinc or gallium and consisting of a non-porous layer and a porous layer positioned on one or both sides of the non-porous layer. The catalyst may be prepared by a process comprising application, on one or both sides of a membrane made from an alloy consisting of 85-95% by mass of palladium and 5-15% by mass of ruthenium or rhodium, of zinc or gallium at a thickness ratio of the layer of zinc or gallium to the membrane of 1:4-20 respectively; keeping the membrane with zinc applied there onto at a temperature of 230-250% and with gallium-at a temperature of 30-120 DEG C to ensure diffusion of zinc or gallium into the membrane; chemical recovery of zinc or gallium from the membrane, the recovery of zinc or gallium being conducted to a content thereof in the catalyst of 0.05 to 0.5% by mass.
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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
title	CATALYST FOR CYCLIZATION OF PENTADIENE-1,3 INTO CYCLOPENTENE AND CYCLOPENTANE, PROCESS FOR MAKING SAME AND METHOD FOR USING IT
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