Mathematical modeling and numerical simulation of a bioreactor landfill using Feel++ Guillaume Dollé, Omar Duran, Nelson Feyeux, Emmanuel Frénod, Matteo Giacomini and Christophe Prud’homme ESAIM: ProcS, 55 (2016) 83-110 Published online: 15 February 2017 DOI: 10.1051/proc/201655083