Fig. 4
From: Specifically designed magnetic biochar from waste wood for arsenic removal
The pore size distribution of a PB, b 1FeC and c 1Fe2MnC
Fig. 4 | Sustainable Environment Research
From: Specifically designed magnetic biochar from waste wood for arsenic removal
The pore size distribution of a PB, b 1FeC and c 1Fe2MnC