Allouache Nabila., Bentaleb Sara ./ Izerrouken Asma.2021-06-092021-06-092017http://10.10.1.6:4000/handle/123456789/628اThe kinetic study of the performances of this new support in denitrification, allowed us to observe that the puriying yields are very satisfactory close to the 80% whatever the load applied to the entry of the biofilter, which qualifies it of high potential of biofiltration. Especially when compared to industrial supports such as Biostyr® and Biolite®, which are widely used in wastewater treatment plants in large urban areas.frThesis