MBC	Corncob biochar-based magnetic iron–copper bimetallic nanomaterial
CIP	Ciprofloxacin
TOC	Total organic carbon
AOPs	Advanced oxidation processes
SEM	Scanning electron microscopy
XRD	X-ray diffraction
FTIR	Fourier-transform infrared spectroscopy
XPS	X-ray electron spectroscopy
VSM	Vibration sample magnetometer
EPR	Electron paramagnetic resonance
DFT	Density functional theory
TBA	Tert-butanol alcohol