Steam Explosion Pretreatment with Different Concentrations of Hydrogen Peroxide along with Citric Acid: A Former Step towards Bioethanol Production

Table 3

Cellulose crystallinity Index derived from XRD analysis.

Different pretreated sample	Intensity at Iam	Intensity at I002	CrI
Untreated biomass	9.4	18.6	49.4
0.05% H2O2	10.3	24	57
0.1% H2O2	10.4	23.1	54.9
0.25% H2O2	10.26	22.7	54.8
0.5% H2O2	9.6	20.7	53.6
0.75% H2O2	10.7	22.8	53.07
1% H2O2	11.4	23.8	52.1
1 : 1	6.8	17.7	61.5
1 : 2	8.06	17.3	53.4
2 : 1	10.7	22.7	52.8