Table 1 Characteristics of the dilute-phosphoric acid pretreated wheat straw pre-hydrolysate from the demonstration facility

P₂₀₁

P₁₉₅

P₁₉₀

0.7% (w/v)

1.2% (w/v)

1.75%

7 min

7 min

10 min

201 ± 4 °C;

195 ± 2 °C,

190 ± 2 °C

 Arabinan

Liquid

5.04 ± 0.1

6.6 ± 0.2

15.02 ± 0.14

Solid

0.031 ± 0.003

0.028 ± 0.001

0.022 ± 0.002

 Glucan

Liquid

2.8 ± 0.2

4.6 ± 0.4

11.53 ± 0.06

Solid

0.302 ± 0.010

0.246 ± 0.02

0.235 ± 0.01

 Xylan

Liquid

15.8 ± 0.4

31.6 ± 0.1

16.1 ± 0.1

Solid

0.016 ± 0.003

0.028 ± 0.007

0.037 ± 0.006

2.1 ± 0.0

2.8 ± 0.1

1.82 ± 0.03

3.2 ± 0.3

5.6 ± 0.4

2.71 ± 0.12

0.39 ± 0.02

0.53 ± 0.02

0.89 ± 0.03