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Fig. 2 | Biotechnology for Biofuels

Fig. 2

From: Cellulase recycling in high-solids enzymatic hydrolysis of pretreated empty fruit bunches

Fig. 2

a Glucose titers and b glucose yields from the three rounds of enzymatic hydrolysis of hydrothermally-pretreated EFBs using recycled cellulase. Enzymatic hydrolysis was performed in 20 mL reaction mixtures at a 20% (w/v) solids loading with 40 and 60 FPU of Cellic CTec3/g glucan at pH 4.8, 50 °C, and 200 rpm. For cellulase recycling at the next-round enzymatic hydrolysis, the liquid fraction obtained from preceding rounds of enzymatic hydrolysis was directly applied to fresh pretreated EFBs with sodium citrate buffer (50 mM, pH 4.8). Experimental data are expressed as mean ± standard deviation from three independent experiments

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