Figure 3 (IMAGE) National Research Council of Science & Technology Caption Increased removal efficiency of organic pollutants due to the generation of new type of iron oxide minerals in the presence of nitrate Credit Korea Institute of Science and Technology Usage Restrictions The sources of photos and research results from KIST must be specified. 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.