AMMONIA 2 (IMAGE) Rice University Caption Ammonium chloride, at left, and liquid ammonia are the products of a catalyst developed by engineers at Rice University to convert wastewater into useful chemicals. Credit Jeff Fitlow/Rice University 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.