Smart membranes for nitrate removal, water purification, and selective ion transportation
US7632406B2 · kind B2 · utility
26Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2005 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Apr 24, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2305/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A computer designed nanoengineered membrane for separation of dissolved species. One embodiment provides an apparatus for treatment of a fluid that includes ions comprising a microengineered porous membrane, a system for producing an electrical charge across the membrane, and a series of nanopores extending through the membrane. The nanopores have a pore size such that when the fluid contacts the membrane, the nanopores will be in a condition of double layer overlap and allow passage only of ions opposite to the electrical charge across the membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.