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

Figure 4

Thermogravimetric analysis. (a) Steam explosion impregnated with H2O2 pretreated sample, (a) untreated sample, (b) 0.05% H₂O₂ pretreated sample, (c) 0.1% H₂O₂ pretreated sample, (d) 0.25% H₂O₂ pretreated sample, (e) 0.50% H₂O₂ pretreated sample, (f) 0.75% H₂O₂ pretreated sample, and (g) 1% H₂O₂ pretreated sample. (b) Different ratio of HPCA pretreated sample, (a) 1 : 1 ratio, (b) 2 : 1 ratio, and (c) 1 : 2 ratio.

(a)

(b)