Critical mineral extraction (IMAGE) DOE/Pacific Northwest National Laboratory Caption A novel separation technique separates manganese from simulated battery waste. Credit (Illustration by Mike Perkins | Pacific Northwest National Laboratory) Usage Restrictions No restrictions. License Public Domain 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.