Enhanced RO Performance of Polyamide Bi-layer Membranes Prepared by Sequential Interfacial Polymerization
Na Y.-H., Nassar M., Diep J., Davis B., Vora A., Dubois G., Al-Rasheed R., Nassar M., Geise G., Freeman B., IBM Almaden Research Center, US
We have developed polyamide bi-layer thin film composite membranes to enhance RO-desalination performance. The polyamide bi-lyer membrane consists of conventional non-substituted aromatic polyamide under-layer and HFA-substituted aromatic polyamide top-layer, which can be esaily prepared by [...]