Low temperature isomerization process for isopropylnaphthalene

Details Low temperature isomerization process for isopropylnaphthalene Low temperature isomerization process for isopropylnaphthalene

C - Chemistry, Metallurgy

07

C

260/689, 260/686

C07C 15/24 (2006.01) C07C 5/27 (2006.01)

Patent

CA 1082743

ABSTRACT OF THE DISCLOSURE A process for treating mixtures of isopropylnaph- thalenes (IPN) obtained from any source and increasing the beta-isopropylnaphthalene content thereof by a batch or continuous isomerization reaction in the presence of a rare earth metal ammonium-exchanged, "Y type" crystalline alum- inosilicate catalyst. The process also includes disproport- ionation of higher alkylates of naphthalene, such as diiso- propylnaphthalene, to increase the IPN content of said mixtures.

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