PSNOP · Engineering aspects and mechanisms of a natural pyrrhotite simultaneous nitrogen and phosphorus removal (PSNOP) biofilter technology

This project aims to develop a natural pyrrhotite simultaneous nitrogen and phosphorus removal (PSNOP) biofilter technology for treatment of wastewater lacking organic matter. In PSNOP biofilters, natural pyrrhotite particles are used as the biofilm carrier. By seeding the PSNOP biofilters with anaerobic sludge, sulfur autotrophic denitrifying bacteria biofilms will be grown. Sulfur autotrophic denitrifying bacteria will utilize pyrrhotite as the electron donor to reduce nitrate to nitrogen gas