A recent study published in Engineering has shed new light on the mechanisms behind the efficient nitrogen removal capabilities of pyrite-based mixotrophic denitrifying biofilters. The research, ...

Zhang Y.K. and Yang, H. (2026) Research on the Application of Nitrogen Removal Technology for Rural Sewage Based on Embedded ...

Denitrification is a microbial respiratory process in which oxidized nitrogen species, primarily nitrate (NO₃⁻) and nitrite (NO₂⁻), are sequentially reduced to gaseous forms such as nitric oxide (NO), ...