Evaluation of thermomechanical pretreatment for enzymatic hydrolysis of pure microcrystalline cellulose and cellulose from Brewers' spent grain

► Production of fermentable sugars from lignocellulosic waste. ► Détente Instantanée Contrôlée (DIC) and enzymatic hydrolyse were combined. ► Avicel PH102 and Brewers' spent grain (BSG) used as lignocellulosic materials. ► DIC treatments increased the fermentable sugars yields of BSG. ► Possibility to use BSG as a glucose source for bioethanol conversion.