Flowability of lignocellusic biomass powders: influence of torrefaction intensity John Pachón-Morales, Julien Colin, Floran Pierre, Thibaut Champavert, François Puel and Patrick Perré EPJ Web Conf., 140 (2017) 13017 Published online: 30 June 2017 DOI: 10.1051/epjconf/201714013017