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Table 2 Eads value of As (III) and DMA adsorbed onto each material

From: Specifically designed amine functional group doped sludge biochar for inorganic and organic arsenic removal

Material

Bond

Bond distance (Å)

Eads (kJ mol−1)

SBC

C-As (b)

3.61

−21.1

C-As (c)

3.41

−27.5

DETA-SBC

C- N (a)

1.61

−291.7

N-As (b)

3.26

−32.4

N-As (c)

2.92

−38.8