Preparation, Characterization, and Cationic Functionalization of Cellulose-Based Aerogels for Wastewater Clarification

Figure 2

SEM images of cross section of aerocelluloses prepared from different cellulose concentrations: (a-b) 5%, (c-d) 9%, and (e-f) 11%. Images of (b), (d), and (f) are images at a higher magnification of (a), (c), and (e), respectively.

(a)

(b)

(c)

(d)

(e)

(f)