Fig. 2From: Enhancing methane production from lignocellulosic biomass by combined steam-explosion pretreatment and bioaugmentation with cellulolytic bacterium Caldicellulosiruptor besciiExtent of solubilization in the batch bottles fed with untreated birch without bioaugmentation, steam-exploded birch without bioaugmentation and steam-exploded birch with applied bioaugmentation at different C. bescii loadings from 2 to 15% v/vBack to article page