Abstract
With the fast development of graphene oxide (GO) and its related products, GO may be discharged into the natural environment and causes various environmental problems. Herein, the polyacrylamide modified molybdenum disulfide (CPAM/MoS2) was synthesized to remove GO. The results demonstrated that the sorption of GO on CPAM/MoS2 relied on solution pH and higher NaCl concentration was helpful to GO removal. The sorption of GO on the composites reached 81.8 mg/g at 298 K. On the basis of the characterization analysis and together with the sorption experimental results, it is believed that the sorption of GO onto CPAM/MoS2 was controlled by electrostatic attraction. Furthermore, the amide groups of CPAM/MoS2 greatly promoted the capture of GO by hydrogen bond. This study contributed significantly to the elimination of GO from the aquatic environment and provided more message for GO elimination in its pollution management.
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