Synthesis of Acrylic Acid Polymer Hydrogel Nano Fe₃O₄ to Remove Ammonia from Sugarcane Field Waste

Figure 3

The trend line for data on the effect of pH on adsorption in effluent: (a) main drain, (b) control, (c) collection pool, and (d) inlet pool.

(a)

(b)

(c)

(d)