AOP/Co-Catalyst Illustration (IMAGE) University of California - Riverside Caption UC Riverside researchers have shown that adding an inexpensive co-catalyst can dramatically improve the speed and efficiency of Advanced Oxidation Processes (AOPs). Credit UC Riverside 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.