Process for recovering phenol from a BPA waste stream
US7858830B2 · kind B2 · utility
2Cited by
6References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2008 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Mar 14, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/74
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An improved process for recovering phenol from a bisphenol-A residue stream by reconfiguring the distillation column and the cracking reactor in a way that separates the reboil/distillation heat load and the cracking heat load, so that separate heat sources are used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.