The Next Air Biotreat researchers of the GI2AM group Paris2013 of the  Universitat de València presented a poster entitled “Modelling the performance of biotrickling filters treating hydrophilics compounds working with spraying/non-spraying period” at the 9th International Conference on Biofilm Reactors held in Paris from 28-31 of May. This research has been cofounded by the Next Air Biotreat Project.