Patent · US Expired

Hollow fiber membrane gas separation cartridge and gas purification assembly

US6755894B2 · kind B2 · utility

48Cited by
46References
37Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 2002
Grant dateJun 29, 2004
Priority date
Expiry dateMay 24, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01B2210/0046
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A hollow fiber membrane gas separation apparatus of a compact design suitable for separation and purification of gases is disclosed. The apparatus comprises an outer housing that consists of a detachable bowl and a head closure, and a removable hollow fiber membrane cartridge positioned therein. The cartridge contains several concentric separation zones and provides for efficient countercurrent flow configuration between the feed gas on the shell side and the permeate sweep gas on the lumen side of the hollow fiber membranes.

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