Fig. 4: Effect of other anions on the adsorption of phosphate.

Experimental conditions: 50 h, 10 g (HIAO/225H)/L, 20 mg P/L, pH 6.0, room temperature of ∼30 °C; and experimental condition (n = 3 ±standard deviation [s.d.]).
Experimental conditions: 50 h, 10 g (HIAO/225H)/L, 20 mg P/L, pH 6.0, room temperature of ∼30 °C; and experimental condition (n = 3 ±standard deviation [s.d.]).