Method for treating by-product oil

Details Method for treating by-product oil Method for treating by-product oil

C - Chemistry, Metallurgy

07

C

182/6.5

C07C 7/13 (2006.01)

Patent

CA 2009659

A method for treating a material containing by-product oil in which the lowering of the efficiency of catalytic treatment can be avoided and the treating method is characterized in that the by-product oil which is obtained in the process to prepare alkylbenzene or alkyltoluene by alkylating benzene or toluene with an alkylating agent in the presence of an alkylation catalyst is used and the material to be treated contains 2% by weight or less of methylnaphthalene is used for a treating process in liquid phase at a temperature of 320°C or below in the presence of a catalyst of crystalline synthetic zeolite which is 20 or higher in the value of SiO2/Al2O3 (molar ratio) and the inlets of main pores of which are composed of ten-membered oxygen rings.

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