Patent · US Expired

Spiral wound pressure membrane module

US4735717A · kind A · utility

21Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 18, 1987
Grant dateApr 5, 1988
Priority date
Expiry dateMay 18, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F1/441
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An improved spiral-wound pressure membrane sorbent bed module is disclosed comprising a central permeate conduit around which said spiral is wound, said module also comprising a collection means for each membrane envelope in said module, said collection means communicating with the interior of said envelope along a substantial fraction of one edge of a permeate spacer in said envelope, all said collection means conveying permeate to the interior of said central permeate conduit at substantially the same cross-section of said conduit, the interior of said conduit containing sorbing means.

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