Pervaporation by countercurrent condensable sweep
US5464540A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 1993 |
| Grant date | Nov 7, 1995 |
| Priority date | — |
| Expiry date | Dec 9, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D61/362
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
There is described a process for the removal of at least one component of a liquid mixture, the basic process comprising directing a liquid mixture against the feed side of a membrane, directing a condensable vapor sweep stream past the permeate side of the membrane in a manner such that the flow of the condensable vapor sweep is substantially countercurrent to the flow of the liquid mixture, thereby transporting at least a portion of at least one component of the liquid mixture from the feed side to the permeate side of the membrane to form a combined permeate side mixture of condensable vapor and at least one transported component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.