Patent · US Expired

Ethylene separation process

US4167402A · kind A · utility

19Cited by
7References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 20, 1978
Grant dateSep 11, 1979
Priority date
Expiry dateMar 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.