Novel Nano-Fe₂O₃-Co₃O₄ Modified Dolomite and Its Use as Highly Efficient Catalyst in the Ozonation of Ammonium Solution

Table 2

Textual characteristics of dolomite (raw ores), activated dolomite, Fe₂O₃/dolomite, and Fe₂O₃-Co₃O₄/dolomite samples.

Sample	(m^2/g)	(cm^3/g)	(nm)
Dolomite (raw ores)	2.0	0.008	18.35
Activated dolomite	22	0.159	32.31
Fe2O3/dolomite	39	0.206	21.87
Fe2O3-Co3O4/dolomite	60	0.262	16.65