Abstract
ZIF-67@CS composites were prepared by in-situ growth method. The phase and structure of ZIF-67@CS composite were characterized by X-ray powder diffraction (XRD) and fourier transform infrared spectroscopy (FT-IR). The morphology of the materials was characterized by field emission scanning electron microscope (SEM). X-ray photoelectron spectroscopy (XPS) measurements demonstrated the existence of Pb(II) after the adsorption process of composite materials. The adsorption of Pb(II) by composite material conforms to Langmuir model, the theoretical maximum adsorption capacity is 505.051 mg/g. The pseudo-second-order kinetic model can well describe the adsorption kinetic process.
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