New generation biofuel : continuous acidogenesis of sucrose-raffinose mixture simulating vinasse is promoted by γ-alumina pellets - Lappa, Katerina; Kandylis, Panagiotis; Bastas, Nikolaos; Klaoudatos, Stavros; Athanasopoulos, Nikolaos; Bekatorou, Argyro; Kanellaki, Maria; Koutinas, Athanasios A (2017)