Fig. 4From: Lignin degradation in corn stalk by combined method of H2O2 hydrolysis and Aspergillus oryzae CGMCC5992 liquid-state fermentationContour line of interaction between different factors during the process of hydrolysis. a Fermentation broth amount and H2O2 concentration; b fermentation broth amount and H2O2 flow rate; c H2O2 concentration and H2O2 flow rate; d pretreatment temperature and pretreatment timeBack to article page