Synthesis of Iron-Modified Biochar Derived from Rice Straw and Its Application to Arsenic Removal

Table 2

Adsorption comparison with other studies.

Material	Adsorption capacity (mg/g)	Reference
TiO2-CNTs	1.8	[26]
Biochar	7.21	[27]
Supported nanoscale zero-valent iron on activated carbon	12.0	[28]
Ascorbic acid-coated Fe3O4 nanoparticles	16.56	[29]
Activated carbon	25	[30]
FMBC	28.49	This study
Activated carbon	34.46	[30]
Al2O3/Fe(OH)3	36.63	[31]