Method of concentrating aqueous solution containing volatile substance
US4729833A · kind A · utility
1Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1984 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Jul 6, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2311/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An aqueous solution can be concentrated in respect to a volatile substance ontained therein by maintaining the aqueous solution on both sides of a porous membrane which has a pore size of 0.05 to 150 microns and giving a temperature difference between the two respective portions divided by the membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.