石墨烯复合二氧化钛纳米纤维的制备及其去除油污染的性能研究
Preparation of Reduced Graphene Oxide/TiO2 Composite Nanofibers for Removing Oil Pollution
DOI: 10.12677/WPT.2021.91002, PDF,    科研立项经费支持
作者: 金冠宇, 马 玲, 潘 超*：大连海洋大学海洋科技与环境学院，辽宁 大连
关键词: 石墨烯；TiO2；纳米纤维膜；柴油污染；光催化；rGO； TiO2； Nanofibrous Membrane； Diesel Oil Pollution； Photocatalytic
摘要: 采用静电纺丝技术结合水合肼还原技术，制备了还原氧化石墨烯(reduced graphene oxide, rGO)复合TiO2纳米纤维膜光催化剂。通过FT-IR、XRD和SEM考察了复合纤维的微观形貌和结构特征。以水体中柴油为模拟污染物评估石墨烯复合TiO2纳米纤维的光催化降解活性，研究了多种参数对光催化性能的影响，如石墨烯添加量、柴油浓度、溶液pH值等。结果表明：rGO对TiO2纳米纤维的改性促进了水溶液中柴油的降解(99.8％的柴油去除率)，光降解过程符合伪一级动力学模型。
Abstract: A reduced graphene oxide (rGO)/TiO2 composite nanofibrous membrane pholocatalyst was prepared employing electrospinning technology combined with hydrazine hydratechemical reduction technology. The composite nanofibrous morphology and structural were characterized using scanning electron microscope (SEM), X-ray diffraction (XRD), and Fourier transform IR (FT-IR). The photocatalytic activity of rGO/TiO2 nanofibers was evaluated in photodegradation of diesel oil. The effects of various parameters, such as rGO content, diesel oil concentration, and pH, were studied in a batch system. The results showed clearly showed that the modification of TiO2 nanofibers by rGO enhanced the degradation of diesel oil from the aqueous solution (99.8% diesel oil removal), photodegradation processes fitted well with the pseudo-first-order kinetic model.
文章引用：金冠宇, 马玲, 潘超. 石墨烯复合二氧化钛纳米纤维的制备及其去除油污染的性能研究[J]. 水污染及处理, 2021, 9(1): 10-19. https://doi.org/10.12677/WPT.2021.91002

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