Oxidation system with internal secondary reactor
US7355068B2 · kind B2 · utility
4Cited by
174References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2006 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Mar 1, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/00245
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the product from the oxidation reaction is crude terephthalic acid (CTA), such CTA product can be purified and separated by more economical techniques than could be employed if the CTA were formed by a conventional high-temperature oxidation process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.