Magnetic Activated Carbon from ZnCl₂ and FeCl₃ Coactivation of Lotus Seedpod: One-Pot Preparation, Characterization, and Catalytic Activity towards Robust Degradation of Acid Orange 10

Table 1

Properties of MBC, ZAC, and MAC prepared with different ZnCl₂/FeCl₃/LSP mass ratios.

Materials	ZnCl2/FeCl3/LSP (w/w/w)	Pyrolysis efficiency (%)	Fe (wt%)	Zn (wt%)	SBET(m^2/g)	Vtotal(cm^3/g)	daverage (nm)	Saturation magnetization (emg/g)
ZAC	0.4/−/1.0	—	—	—	369	0.21	1.2	—
MBC	−/0.2/1.0	49.9 ± 0.3	5.69	—	274	0.14	2.0	1.4
MAC-0.1	0.1/0.2/1.0	53.7 ± 0.3	6.94	2.24	531	0.31	2.4	1.9
MAC-0.2	0.2/0.2/1.0	51.2 ± 0.3	6.92	2.49	780	0.46	2.4	3.3
MAC-0.4	0.4/0.2/1.0	49.6 ± 0.2	6.89	3.94	1080	0.51	1.9	3.6