首页|An efficient integrated catalyst for the reduction of 4-nitrophenol in a continuous flow system: Ag nanoparticles loaded graphene nanosheets immobilized on Ti meshes
An efficient integrated catalyst for the reduction of 4-nitrophenol in a continuous flow system: Ag nanoparticles loaded graphene nanosheets immobilized on Ti meshes
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NSTL
Elsevier
? 2022 Elsevier B.V.When the wastewater containing 4-nitrophenol is restored on an industrial scale, it is needful to find an efficient catalyst which can be used in a continuous flow apparatus. Here, graphene nanosheets loaded with Ag nanoparticles were immobilized on Ti meshes. Afterwards, their catalytic behavior was explored in a continuous flow apparatus for the reduction of 4-nitrophenol. It can be found that the Ag nanoparticles loaded graphene nanosheets immobilized on Ti meshes are an efficient catalyst for elimination of 4-nitrophenol from water which is suitable for continuous flow system. When the 4-nitrophenol solution run through the above-mentioned Ti meshes at flow velocity of 3 mL min?1, 92% 4-nitrophenol (100 mL, 1.0 × 10?4 mol L?1) could be eliminated in 150 min. Moreover, this integrated catalyst can also exhibit quite satisfactory durability. After it was used two times, its catalytic activity still could maintain 84% activity of the fresh sample in the third cycle.
Ag nanoparticlesFlow systemGrapheneP-nitrophenolTi mesh
Wu Y.、Hao W.、Li X.、Qin L.、Zhang T.、Kang S.-Z.
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School of Chemical and Environmental Engineering Shanghai Institute of Technology
NSTL
Elsevier
