Enhancing denitrifying anaerobic methane oxidation for nitrogen removal with low-temperature biochar.

Denitrifying Anaerobic Methane Oxidation (DAMO), which utilizes methane for denitrification, offers an efficacious approach for nitrogen removal in wastewater and greenhouse gas mitigation. However, slow microbial growth and low methane mass transfer efficiency limit its practical application. This study demonstrates that straw biochar, particularly when pyrolyzed at 300 °C, enhances DAMO's nitrogen removal performance.