Number | Date | Country | Kind |
---|---|---|---|
964810 | Nov 1996 | NOX |
Number | Name | Date | Kind |
---|---|---|---|
5454952 | Brewer | Oct 1995 | |
5458781 | Lin | Oct 1995 | |
5587083 | Twardowski | Dec 1996 | |
5616249 | Hodgdon | Apr 1997 |
Entry |
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Raman et. al, "Consider Nanofiltration for Membrane Separation", Chemical Engineering Progress, Mar. 1994. |
Rautenbach et. al., Separation Potential of Nanofiltration Membranes, Desalination, 77 (1990) 73-84. |