Water Step Visualization (IMAGE) New Jersey Institute of Technology Caption A sample series from the coagulation experiments show "flocs"—or particles—formed by adding a coagulant in the center, right-center, and rightmost container. PFAS are entrapped in flocs and are removed through gravity or filtration. Credit Emerging Contaminants Research Lab @ NJIT 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.