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- W2979352246 abstract "Ranitidine (RAN) is a primary precursor of NDMA (N-nitrosodimethylamine), which is a carcinogenic disinfection by-product that poses a serious threat to human health and environmental safety. Photocatalysis is a useful and effective technology for degrading RAN and eliminating its NDMA formation potential. In our work, MoS2/RGO (reduced graphene oxide) composites with various mass ratios were fabricated using a hydrothermal method and characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and Raman spectrometer. In terms of the photocatalytic degradation of RAN, the MoS2-RGO-3 composite (with 23.2 wt% RGO) achieved the best performance with 74% RAN photodegraded in 60 min under visible light. Furthermore, this composite obtained the highest RAN mineralization efficiency (50%) and had the lowest NDMA formation potential (6.76%). Additionally, the generated hydroxyl radicals (OH), superoxide radicals (O2–) and holes (h+) were involved in the RAN photocatalytic degradation process, where OH was the most important active ingredient. This work may provide a new basis for the preparation of better photocatalysts under visible light for micro-pollutant degradation in water treatment." @default.
- W2979352246 created "2019-10-18" @default.
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- W2979352246 date "2020-03-01" @default.
- W2979352246 modified "2023-10-18" @default.
- W2979352246 title "MoS2/RGO composites for photocatalytic degradation of ranitidine and elimination of NDMA formation potential under visible light" @default.
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- W2979352246 doi "https://doi.org/10.1016/j.cej.2019.123084" @default.
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