From: Specifically designed magnetic biochar from waste wood for arsenic removal
Material
Content of elements by weight (%)
C
O
Fe
Mn
K
Total
PB
89.6
10.4
0.00
100
1FeC
61.3
18.4
20.3
1Fe2MnC
57.1
14.1
14.2
13.5
1.1