Process for increasing ethylene and propylene yield from a propylene plant
US10808999B2 · kind B2 · utility
0Cited by
97References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2015 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Oct 11, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2270/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for recovery of C2 and C3 components in an on-purpose propylene production system includes utilizing a packed rectifier with a countercurrent stream to strip C2 and C3 components from a combined de-ethanizer overhead lights vapor and cracked gas vapor stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.