ORNL's Ramesh Bhave (IMAGE) DOE/Oak Ridge National Laboratory Caption ORNL’s Ramesh Bhave sets up the automated control system that is used to adjust the pH of the feed solution in the membrane solvent extraction process for critical materials recycling. Credit Carlos Jones/ORNL, U.S. Dept. of Energy Usage Restrictions None License Original 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.