چکیده انگلیسی:
Mesoporous carbon (CMK-3) modified with Fe3O4 nanoparticles has been successfully
synthesized and characterized by powder X-ray diffraction (XRD), N2 adsorption-desorption,
scanning electron microscope (SEM) and transmission electron microscopy (TEM).The
results depict that the synthesized Fe-CMK-3 preserved the ordered mesoporous structure
of CMK-3, and magnetic species were dispersed inside channels of CMK-3 as nanoparticles
with the diameter of around 15 nm. When used as adsorbents, Fe-CMK-3 and CMK-3 exhibit
excellent performance for removing Malachite Green dye from aqueous solutions. Effects
of contact time, pH, initial dye and salt concentrations on dye removal efficiency were
investigated. Due to the facility of the separation process with an external magnetic field, Fe-
CMK-3 is suggested as a novel adsorbent for the removal of MG dye from aqueous solutions.
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