Process and apparatus for controlling the split of liquid reflux in a divided wall column
US10792583B2 · kind B2 · utility
1Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2019 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Mar 28, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to the fractionation technology that is used to create purified phenol and acetone products. More specifically, the present invention relates to a fractionation technology that is used to create crude acetone and crude phenol streams using a dividing wall column intended to remove cumene, alpha-methyl styrene and water from the product side of the wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.