High-Yield Alpha-Cellulose from Oil Palm Empty Fruit Bunches by Optimizing Thermochemical Delignification Processes for Use as Microcrystalline Cellulose

Figure 2

Contour and response surface model of (a) water-extractive materials, (b) hemicellulose, (c) cellulose, and (d) lignin.

(a)

(b)

(c)

(d)