Investigation of the Transformation Performance  from Heterotrophic Denitrification, Mixotrophic Denitrification, and Autotrophic Denitrification to Anammox of a UASB Reactor
To study the microbial community and nitrogen removal performance during the transformation from heterotrophic denitrification , mixotrophic denitrification, and autotrophic denitrification to anaerobic ammonia oxidation .