Fig. 4From: Lactic acid production from paper sludge by SSF with thermotolerant Rhizopus sp.Lactic acid production by SSF of the treated PS with 5384 strain and cellulase cocktail. The initial concentration of the PS was 50 g/L and the cultivation was performed at 40 °C with cellulase cocktail containing 9.46 FPU/g-PSBack to article page