Zirconium Combined With Silicon Nitride (IMAGE) DOE/Argonne National Laboratory Caption Zirconium (larger burnt orange atom), combined with silicon nitride (blue and gray atoms), enhances the transformation of propane into propylene in a way that's faster and uses less energy than more traditional means. Credit (Image by David Kaphan, Max Delferro and Yu Lim Kim/Argonne National Laboratory.) Usage Restrictions Original content 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.