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- W4205650020 abstract "• MXene/graphene oxide nanocomposite (MGN) was prepared by an organic-free method. • MGN-2 showed a micro-wrinkled structure with high surface area (465.9 m 2 ·g −1 ). • The U(VI) adsorption capacity of MGN-2 was 1003.5 mg·g −1 at 298 K and pH = 5.0. • The removal efficiency of MGN-2 was only reduced by 6.2% after eight cycles. • MGN-2 showed a remarkable continuous U(VI) separation ability. With the rapid development of nuclear energy, the pollution of uranium (U(VI)) to water environment has become a major threat to human health. To effectively separate U(VI) from wastewater, a simple and organic-free method was used to prepare MXene/graphene oxide nanocomposite (MGN) for removing U(VI). A variety of characterization tests showed that MGN exhibited a micro-wrinkle structure with large specific surface area. For adsorption experiments (m/V = 0.1 g·L −1 , pH = 6.0, T = 298 K), MGN-2 showed an excellent ability for adsorbing U(VI) with a high saturated adsorption capacity (1003.5 mg·g −1 ). A short equilibrium time (60 min) of U(VI) on MGN-2 could be obtained when C U(Ⅵ) = 100 mg·L −1 . Moreover, MGN-2 still had an excellent adsorption efficiency for U(VI) under various coexisting ions. After eight cycles, the adsorption efficiency of MGN-2 for U(VI) was only 6.2% less than the original U(VI) adsorption efficiency of MGN-2. The mechanism of U(VI) adsorbed on MGN-2 might be realized by reduction-induced immobilization and complexation of U(VI). Based on these results, MGN-2 could be a potential adsorbent for removing U(VI) from wastewater. Simultaneously, the preparation method of MGN could provide a new idea for the preparation of new high efficiency U(VI) adsorbent." @default.
- W4205650020 created "2022-01-26" @default.
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- W4205650020 date "2022-04-01" @default.
- W4205650020 modified "2023-10-18" @default.
- W4205650020 title "Design of MXene/graphene oxide nanocomposites with micro-wrinkle structure for efficient separating of uranium(VI) from wastewater" @default.
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- W4205650020 doi "https://doi.org/10.1016/j.cej.2021.134449" @default.
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