Membrane separation apparatus
US3965012A · kind A · utility
18Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1974 |
| Grant date | Jun 22, 1976 |
| Priority date | — |
| Expiry date | Dec 11, 1994 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D63/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A membrane separation apparatus adapted for use in ultrafiltration is provided comprising a casing and a membrane unit enclosed therein, said membrane unit comprising a composite membrane folded flatly in zigzag relation to form a plurality of stacked layers defining a plurality of first flow channels in alternately interleaving relation thereto, said composite membrane being made of a flexible porous support and having a pair of selectively permeable membranes on opposite outer surfaces thereof and a second flow channel therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.