Method of making 2,6-dimethylnaphthalene from other...

Details Method of making 2,6-dimethylnaphthalene from other... Method of making 2,6-dimethylnaphthalene from other...

C - Chemistry, Metallurgy

07

C

C07C 15/24 (2006.01) C07C 5/13 (2006.01) C07C 5/367 (2006.01)

Patent

CA 2295538

The invention discloses a method of making 2,6-dimethylnaphthalene from any DMN with one methyl on each ring in a two-step hydroisomerization/dehydrogenation process. The catalyst used in the hydroisomerization step is an acidic catalyst such as a silica aluminum catalyst with a hydrogenation/dehydrogenation metal. The catalyst used in the dehydrogenation step is a reforming type catalyst.

Cette invention se rapporte à un procédé servant à produire du 2,6-diméthylnaphtalène à partir de n'importe quel diméthylnaphtalène (DMN) avec un méthyle sur chaque cycle, dans un processus d'hydro-isomérisation/déshydrogénation en deux phases. Le catalyseur utilisé dans la phase d'hydro-isomérisation est un catalyseur acide, tel qu'un catalyseur à base d'aluminium de silice, avec un métal d'hydrogénation/déshydrogénation. Le catalyseur utilisé dans la phase de déshydrogénation est un catalyseur du type à reformage.

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