Patent · US Expired

Adsorptive process for producing two gas streams from a gas mixture

US4915711A · kind A · utility

47Cited by
20References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 18, 1989
Grant dateApr 10, 1990
Priority date
Expiry dateMay 18, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02C20/40
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An adsorptive separation process is set forth for recovery of two gas products in high recovery and high purity using adsorption, depressurization low pressure purge, evacuation and repressurization. Depressurization and purge effluents are recycled to feed and optionally pressure equalizations are performed after the adsorption and after the evacuation as well as a pressure equalization using the low pressure effluent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.