Dilute Alkali and Hydrogen Peroxide Treatment of Microwave Liquefied Rape Straw Residue for the Extraction of Cellulose Nanocrystals

Figure 5

X-ray diffraction patterns of residues from different treatments: (a) raw rape straw; (b) 180°C/7.5 min; (c) 2% NaOH for 1 h; (d) 5% H₂O₂ for 5 h; (e) ultrasonication for 15 min.