Arsenate Removal from Water by Simultaneous Green Tea Nano-Zerovalent Iron and Ultrasonic Wave

Figure 1

FESEM analysis of GT-NZVI structure. (a) Diameter = 27.95 nm, (b) diameter = 30.43 nm, (c) diameter = 33.07 nm, and (d) diameter = 33.88 nm.

(a)

(b)

(c)

(d)