Agitation system for alkylbenzene oxidation reactors
US6984753B2 · kind B2 · utility
1Cited by
10References
11Claims
0Family size
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Key dates
| Filing date | Apr 24, 2002 |
| Grant date | Jan 10, 2006 |
| Priority date | — |
| Expiry date | Jun 26, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/00779
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for producing aromatic dicarboxylic acids by the oxidation of dimethylbenzenes wherein dimethylbenzenes are mixed with an oxygen containing gas, solvent and catalyst in a reactor and the reaction mixture is agitated with one or more asymmetric radial impellers in combination with at least one axial impeller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.