Research Article

Degradation Effect of Sulfa Antibiotics by Potassium Ferrate Combined with Ultrasound (Fe(VI)-US)

Figure 5

Effect of ultrasonic frequencies on degradation of sulfamethoxazole by Fe(VI)-US: (a) pH = 7; (b) pH = 8; (c) pH = 9.
(a)
(b)
(c)