Asymmetric RO Membrane (image) Virginia Tech Share Print E-Mail Caption Virginia Tech researchers have created a foam-like membrane for separating salt from water. The new membrane will not be degraded by chlorine. Credit James McGrath Usage Restrictions Use should accompany news or information about Virginia Tech RO research. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.