Patent · US Expired

Reverse-osmosis tubular membrane

US4309287A · kind A · utility

26Cited by
8References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 1980
Grant dateJan 5, 1982
Priority date
Expiry dateMay 1, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2321/02
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A membrane module which includes a unitary, curved, backing support which retains all the U bends, serially connecting the membrane tubes, in a sealing relationship, and which includes an annular permeate-collector ring system at the end of each membrane tube and channels with a permeate manifold passageway, to provide efficient removal and easy cleaning of the permeate flow path.

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