Comparison of SO2 and H2SO4 impregnation of softwood prior to steam pretreatment on ethanol production - Galbe, Mats.; Hahn-Hagerdal, Barbel; Larsson, Simona; Palmqvist, Eva.; Stenberg, Kerstin; Tengborg, Charlotte; Zacchi, Guido
Keywords: Ethanol; Softwood; Steam pretreatment