Membrane pre-treatment process
US6635594B1 · kind B1 · utility
2Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2001 |
| Grant date | Oct 21, 2003 |
| Priority date | — |
| Expiry date | Apr 3, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J37/0246
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved porous substrate for zeolite membranes is formed by coating the substrate with a layer of zeolite particles of a narrow particle distribution size of between 20 and 0.01 microns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.