Figure 7b_polymer (IMAGE) DOE/Argonne National Laboratory Caption A picture shows crude-oil-in-water feed in its initial state and the clean permeate that comes out after passing through the ALD-treated membrane, a process that was performed three successive times. The membrane was simply rinsed by water after every cycle of filtration. Credit Argonne National Laboratory Usage Restrictions None License Licensed content 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.