| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 09.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Subjecting alkyl-substituted aromatic compd to liquid phase oxidation with O2 in AcOH as solvent in presence of catalyst - Producing water-contg AcOH by cooling & condensing an exhaust gas from the oxidation reactor - Dehydrating said water-contg AcOH by azeotropic distn in tower - Feeding an entrainer to top portion of azeotropic distn tower to suppress the concn of alkyl-substituted aromatics in entrainer to concn < 10% - Recycling to oxidation reactor the resultant dehydrated AcOH as solvent |
| PATENT PHOTOCOPY | Available on request |
|
Want more information ? Interested in the hidden information ? Click here and do your request. |