Process for the distillation of an aldehyde mixture
US10435346B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2017 |
| Grant date | Oct 8, 2019 |
| Priority date | — |
| Expiry date | Apr 13, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2257/70
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for the distillation of an aldehyde mixture comprising a straight-chain aldehyde and a branched-chain aldehyde is described in which the process comprises: supplying a feed comprising the aldehyde mixture to a first separation vessel; operating said first separation vessel at a first temperature and a first pressure such that separation occurs; recovering a first stream comprising the straight-chain aldehyde from said first separation vessel and supplying said first stream to a second separation vessel; operating said second separation vessel at a second temperature and a second pressure such that separation occurs; recovering a product stream comprising the straight-chain aldehyde and a second stream comprising high-boiling components from said second separation vessel, and supplying said second stream to a third separation vessel; operating said third separation vessel at a third temperature and a third pressure such that separation occurs; and recovering a third stream comprising the aldehyde mixture from said third separation vessel and reintroducing said third stream to the first separation vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.