Fig. 1.
Fig. 1.

Relationship between the P sorption capacity (in logarithmic scale) and particle size distribution (bars representing the range) of the materials investigated in the selected studies.

 


Fig. 2.
Fig. 2.

Relationship between the P sorption capacity and pH of the materials investigated in the selected studies (highest P sorption values excluded).

 


Fig. 3.
Fig. 3.

Phosphorus sorption capacity range (bars indicating the range of different values of sorption capacity) at different material-to-solution ratios used in batch experiments in the selected studies (highest P sorption values excluded).

 


Fig. 4.
Fig. 4.

Relationship between the P sorption capacity of the materials investigated and the amount of initial P at the highest concentration in batch solution in the selected papers.