S23-336 Electrochemical reactor for ammonia reclamation from wastewater nitrate Stanford researchers have developed an "electrocatalyst-in-a-box" that extracts wastewater nitrate and converts it into ammonia. Nitrogen pollution threatens water security and human health, and demand for ammonia continues to grow. Dean Miller William Tarpeh Matthew Junjie Liu Kristen Abels Kristy Chan Kindle Williams Anna Kogler Jinyu Guo Brandon Clark