Invention Grant
US09120062B2 High performance positively charged composite membranes and their use in nanofiltration processes 有权
高性能带正电荷的复合膜及其在纳滤过程中的应用

High performance positively charged composite membranes and their use in nanofiltration processes
Abstract:
The present invention is directed to positively charged nanofiltration (NF) membranes comprising a substrate layer (S) based on a sulfonated polymer and a positively charged film layer (F) on top of said substrate, and to a method for their preparation. Furthermore, the present invention is directed to nanofiltration processes making use of said composite membrane.
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