Patent · US Expired

Compressed permeate sweep membrane separation process

US5252219A · kind A · utility

8Cited by
1References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 18, 1992
Grant dateOct 12, 1993
Priority date
Expiry dateDec 18, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D61/027
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process is set forth for the separation of one or more, more permeable components from one or more, less permeable components in a feed stream. The process suggests two membrane separation stages in series wherein the feed is introduced into the high pressure side of the first stage, the non-permeate stream from the first stage is introduced into the high pressure side of the second stage and wherein the permeate stream from the second stage is compressed and recycled to the low pressure side of the first stage.

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