| 摘要 |
The invention relates to a filter assembly for membrane filtration of liquids, and more in particular a spiral wound filter assembly with improved filtration performance. Provided is a spiral wound filter assembly comprising a permeate channel (5; 305, 325) for transporting permeate to the permeate outlet (12), said permeate channel being provided with at least one flow restriction (13; 113, 120; 213; 333), for increasing the pressure in at least part of the permeate channel. The invention further relates to an apparatus comprising such a filter assembly, and to methods for using this apparatus. |
