The degradation of methylene blue by microcubes catalyst -Fe2O3 via heterogenous Fenton process
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Từ khóa:
Cubic -Fe2O3
porous
molecular organic framework
heterogenous Fenton
methylene blue
Tóm tắt
Cubic Fe2O3 was synthesized in a facile approach by annealing molecular organic framework Prussian Blue (PB) at 350oC, 550oC, and 650oC. The final product was characterized by IR, Raman and XRD spectroscopic methods illustrating the presence of pure a-Fe2O3. SEM images of this material revealed a homogeneous morphology of microcube Fe2O3 with a size of about 500 nm. The catalytic activity of cubic Fe2O3 was investigated on the degradation of methylene blue in a heterogeneous Fenton system. It was shown that the thermally oxidative decomposition of PB at 550oC has resulted in porous Fe2O3 which exhibited highest MB degradation efficiency. In the presence of 0.5 M H2O2 and 0.3 g/L Fe2O3 at pH = 3.59, 50 ppm MB in studied solution has been removed at a rate constant of 0.0398 min-1, which is comparable with other analogous catalytic materials.
Tài liệu tham khảo
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Dec 31, 2021
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Cách trích dẫn
Ngo Thi My Binh, Dinh Van Tac, Doan Van Duong, Trinh Ngoc Dat, Le Vu Truong Son, Vu Thi Duyen, Vo Thang Nguyen. “The Degradation of Methylene Blue by Microcubes Catalyst -Fe2O3 via Heterogenous Fenton Process”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 19, số p.h 12.2, Tháng Chạp 2021, tr 35-40, doi:10.31130/ud-jst2021-016E.
