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Fig. 4 | Biotechnology for Biofuels

Fig. 4

From: Characterization of lignin derived from water-only and dilute acid flowthrough pretreatment of poplar wood at elevated temperatures

Fig. 4

Py-GC/MS results of untreated poplar wood (control) and solid residues after flowthrough pretreatments. a Untreated poplar wood and solid residues pretreated at 240 °C, 0.05 % (w/w) H2SO4 for 10 min (pretreatment severity ~5.0); b untreated poplar wood and solid residues pretreated at 270 °C, water-only for 10 min (pretreatment severity ~6.0)

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