Dirty and clean brines (IMAGE) Ural Federal University Caption Dirty brine (right hand) is converted to clean brine (left hand) in the pre-treatment plant. Credit UrFU / Eduard Nikulnikov Usage Restrictions Image may only be used with appropriate credit: UrFU / Eduard Nikulnikov. 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.