| 摘要 |
A process for producing diakylbenzen comprises (a) first reacting olefin with monoalkylbenzene circulated from the sepn. process of monoalkylbenzene using HF catalyst to produce dialkylbenzene, (b) second reacting dialkylbenzene with benzene and olefin using HF catalyst to produce monoalkylbenzene, (c) sepg. the catalyst from monoalkylbenzene, (d) sepg. the light alkylbenzene from alkylbenzene, (e) sepg. monoalkylbenzene, and (f) sepg. dialkylbenzene. Pref mono- or alpha-olefin is C10-16 alkyl.
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