Permeate channel alterations for counter current filtration for use in cross-flow filtration modules useful in osmotic systems
US10786784B2 · kind B2 · utility
1Cited by
32References
16Claims
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Key dates
| Filing date | Sep 6, 2013 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Sep 30, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2201/006
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to modification to permeate channels and permeate materials in a cross-flow filtration system to improve performance in counter current filtration having both retentate channels and permeate channels wherein a solution is pumped through one of the channels and drawn through a membrane to one of the other channels to assist in positive pressure driven filtration by using the osmotic pressure, concentration, or preferential solubility difference between the retentate and permeate flow streams thereby increasing or altering the flux through the membrane separating the flow streams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.