Catalytic Ozonation of Phenolic Wastewater: Identification and Toxicity of Intermediates

Table 2

Specifications of nano-Fe₃O₄ coated on activated carbon.

	PAC	Fe3O4/AC
Parameters
Specific surface area (m^2/g)	907	814
Pore volume (cm^3/g)	0.42	0.26
pHzpc	8.9	7.7
Average particle size as Fe3O4	—	25–30
Elements
Fe (%)	—	5.04
O (%)	—	5.76
Assay (%) as carbon	99.99	89.20