Fig. 1. Images of the P. densiflora before and after non-impregnation or water-impregnation and steam explosion condition.
Fig. 2. Effects of impregnation and steam explosion condition on α–cellulose (A) and holocellulose (B) content of P. densiflora. Holocellulose: sum of glucose, galactose, mannose, xylose and arabinose.
Fig. 3. Effects of impregnation and steam explosion condition on lignin content of P. densiflora.
Fig. 4. Effects of impregnation and steam explosion condition on extractive (A), ash (B) and protein (C) content of P. densiflora.
Fig. 5. Mass balance of impregnation (non or water) and steam explosion condition
Table 1. Condition of the steam explosion of P. densiflora
Table 2. Effect of impregnation and steam explosion condition on color values of P. densiflora
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