Zeolite membrane composite, and separation method and production method of branched diolefin using same
A zeolite membrane composite includes a porous support and a zeolite membrane formed on at least one surface of the porous support. The zeolite membrane of the zeolite membrane composite is formed of an X-MOR-type zeolite, where X includes at least one type of transition metal ion.
1. A zeolite membrane composite comprising: a porous support; and a zeolite membrane formed on at least one surface of the porous support, wherein
the zeolite membrane is formed of an X-MOR-type zeolite, and
X includes at least one among a Ru ion, a Pt ion, and a Mo ion.
2. The zeolite membrane composite according to claim 1 , wherein the transition metal ion is a Ru ion.
3. The zeolite membrane composite according to claim 2 , wherein the Ru ion is a trivalent Ru ion.
4. A method of separating a branched diolefin comprising a separation step of using the zeolite membrane composite according to claim 1 to separate a branched diolefin from a branched hydrocarbon mixture containing the branched diolefin and at least one branched hydrocarbon in which the number of carbon-carbon double bonds is 1 or less and that is of an equivalent carbon number n to the branched diolefin.
5. The method of separating a branched diolefin according to claim 4 , wherein the carbon number n is 4 or 5.
6. A method of producing a branched diolefin comprising separating the branched diolefin in accordance with the method of separating a branched diolefin according to claim 4 .