Hydroxide Sludge/Hydrochar-Fe Composite Catalysts for Photo-Fenton Degradation of Dyes

Figure 5

(a) SEM micrographs of HS, (b) HC-Fe and (c) 2 : 1 composite, (d) EDS of HS, (e) HC-Fe, and (f) 2 : 1 composite.

(a)

(b)

(c)

(d)

(e)

(f)