Table 1.
Condition of the steam explosion of
P. densiflora
Impregnation
Steam explosion condition
Temperature (°C)
Reaction time (min)
Severity factor (
R
o
)
1)
Non-impregnation
225
1
3.68
3
4.16
7
4.53
13
4.79
Water-impregnation
225
1
3.68
3
4.16
7
4.53
13
4.79
Severity factor (
R
o
) =
t
* exp (
T
– 100 / 14.75)