Patent · US Expired

Membrane-based removal of condensable vapors

US5236474A · kind A · utility

58Cited by
24References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 1992
Grant dateAug 17, 1993
Priority date
Expiry dateSep 9, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2313/221
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process for removing and recovering a condensable vapor from a gas stream by a membrane contactor is disclosed wherein a gas stream containing a condensable vapor is circulated on one side of hollow fiber membranes while cool extraction fluid is circulated on the other side under a total pressure differential, thereby condensing the condensable vapor in the gas stream, the condensed vapor permeating the membrane and becoming entrained in the cool extraction fluid.

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