Patent · US Expired

Membrane module for gas transfer

US7294259B2 · kind B2 · utility

34Cited by
35References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 22, 2004
Grant dateNov 13, 2007
Priority date
Expiry dateSep 8, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W10/10
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A membrane module apparatus to transfer a gas to or from a liquid has a sheet having at least one gas transfer surface. The gas transfer surface is in flow communication with a header through a gas channel. The module may be used to support a biofilm on the gas transfer surface. A plurality of sheets or portions of sheets may be separated by spacers.

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