Alkylation/transalkylation process for selective production...

Details Alkylation/transalkylation process for selective production... Alkylation/transalkylation process for selective production...

C - Chemistry, Metallurgy

07

C

260/683.9

C07C 2/70 (2006.01) C07C 6/12 (2006.01) C07C 15/02 (2006.01)

Patent

CA 1290769

"ALKYLATION/TRANSALKYLATION PROCESS FOR SELECTIVE PRODUCTION OF MONOALKYLATED AROMATICS" ABSTRACT An alkylation-transalkylation process for the selective production of a monoalkylated aromatic compound is disclosed which maximizes the production of desirable monoalkylaromatic compounds, while limiting transalkylation catalyst deactivation. The process entails the combination of an alkyaltion reaction step, a first separation step, a second separation step, and a transalkylation reaction step wherein the alkylation catalyst is comprised of phosphoric acid material and the transalkylation catalyst is comprised of a crystalline aluminosilicate material. A key feature involves reducing transalkylation catalyst deactivation by transalkylating only dialkylated aromatic compounds.

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