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Fig. 5 | Biotechnology for Biofuels

Fig. 5

From: Steam explosion pretreatment of softwood: the effect of the explosive decompression on enzymatic digestibility

Fig. 5

SEM images of pretreated spruce wood chips. a After steam pretreatment without explosion. b After steam pretreatment with explosion. Cavities on the biomass surface are highlighted exemplarily. c After steam pretreatment without explosion and enzymatically hydrolyzed. Pretreatment conditions: log R 0 = 5.0 (T = 235 °C, t = 10 min); hydrolysis conditions: 1 %w/w cellulose, 60 FPU g−1 cellulose

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