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

Table 1

Calculated parameters in Langmuir and Freundlich models.

	𝐾𝐿 (L mg^−1)	𝑞𝑚 (mg g^−1)	𝑅^2
Langmuir parameters	0.663	34.2	0.9963
	𝐾𝐹	𝑛	𝑅^2
Freundlich parameters	12.2	1.72	0.9670