Abstract
Fiber membrane for adsorption organic pollutants from wastewater has attracted more and more attention because of its easy recovery performance. However, the adsorption properties of fiber membranes alone are not sufficient to effectively and quickly degrade pollutants. In this work, PAN/Bi2MoO6/Ti3C2 (PAN/BT) fiber membrane was prepared by electrospinning. The morphology, crystal structure and photocatalytic activity of the obtained membranes were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), photoelectron spectroscopy (XPS) and UV–visible spectrophotometer (UV–vis). The experimental results showed that it not only had high recovery performance but also good photocatalytic activity, and the best sample could effectively degrade 90.3% of tetracycline. After three times of photocatalytic regeneration, the removal rate is still about 80%. Its efficient catalytic performance comes from Bi2MoO6/Ti3C2 heterojunction. The Ti3C2 accelerates the separation and transfer of photogenerated electrons and effectively inhibits the recombination of photogenerated carriers. The films formed by PAN electrospinning are easy to recycle because of their good toughness. The construction of electrospinning membrane with composite photocatalyst is an easy and effective way to improve water environmental remediation pollution caused by tetracycline under visible light.
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