Electrostatic separation of mineral and vegetal powders with a custom built corona separator: application to biorefinery of rice huskRova Karine Rajaonarivony, Xavier Rouau, Lucien Dascalescu and Claire Mayer-LaigleEPJ Web Conf., 140 (2017) 13020DOI: https://doi.org/10.1051/epjconf/201714013020