From: Parametric modelling and analysis to optimize adsorption of Atrazine by MgO/Fe3O4-synthesized porous carbons in water environment
Factor
Unit
Code
Levels
− 1
1
Concentration
mg L−1
X1
5
30
pH
X2
2
12
Adsorbent dosage
g
X3
0.5
3
Reaction temperature
°C
X4
55