| 摘要 |
A process for the recovery of isobutylene as tertiary butyl alcohol from a stream of C4 hydrocarbons comprising contacting the stream with an aqueous acid solution comprising from 50 to 80 wt % of an aryl or alkaryl sulfonic acid, recovering from the resultant mixture an aqueous acid phase containing tertiary butyl alcohol and recovering from the acid phase the product tertiary butyl alcohol.
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