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Fig. 5 | Biotechnology for Biofuels

Fig. 5

From: A new approach to recycle oxalic acid during lignocellulose pretreatment for xylose production

Fig. 5

SEM images of untreated and residual corncob. a Untreated corncob, b pretreatment at 130 °C for 1.0 h using 100 mmol/L oxalic acid solution, c pretreatment at 140 °C for 2.5 h using 100 mmol/L oxalic acid solution, d pretreatment at 150 °C for 2.5 h using 100 mmol/L oxalic acid solution, e pretreatment at 140 °C for 2.5 h using 200 mmol/L oxalic acid solution

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