Reactive mixing in heterogeneous porous media flows: concentration gradient distribution, spatial intermittency and temporal scaling of effective reaction kinetics

Tanguy Le Borgne, University of Rennes 1, Géosciences Rennes UMR 6118, Rennes, France, Marco Dentz, IDAEA-CSIC, Barcelona, Spain, Timothy R Ginn, University of California Davis, Davis, CA, United States and Emmanuel Villermaux, université Aix Marseille, IRPHE UMR 7342, Marseille, France