Synthesis and Characterization of Magnetic Fe₃O₄/Zeolite NaA Nanocomposite for the Adsorption Removal of Methylene Blue Potential in Wastewater Treatment

Table 1

Calculated crystallite size of the as-synthesized ZA and magnetic Fe₃O₄ phases.

Sample (s)	Crystallite size (nm)		SBET (m^2·g^−1)	Pore volume (cm^3·g^−1)	Pore radius (nm)
	ZA phase (100)	Fe3O4 phase (311)
Zeolite A	96.47	—	56.49	0.200	1.21
9.3% Fe3O4/ZA	161.81	15.24	117.04	0.154	0.74
6.6% Fe3O4/ZA	158.02	11.84	116.98	0.125	0.73
3.3% Fe3O4/ZA	117.41	11.89	63.18	0.128	0.63
Fe3O4 NPs	—	19.08	5.97	0.017	0.33