Ethylene separation process
US4167402A · kind A · utility
19Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 1978 |
| Grant date | Sep 11, 1979 |
| Priority date | — |
| Expiry date | Mar 20, 1998 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2290/80
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for separating a hydrocarbon feed gas mixture comprising at least C.sub.1 -C.sub.2 constituents including ethylene to produce a separated ethylene product. The disclosed process employs a recovery section in which demethanization is carried out at moderate pressure, thereby permitting efficient and economical use of propylene-ethylene refrigeration in the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.