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| Preparation, Characterization and Application of Fe-Bentonite Photocatalyst |
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| DOI：10.11980/j.issn.0254-508X.2015.11.005 |
| Key Words:Fe-Bentonite heterogeneous Fenton tobacco slice wastewater |
| Fund Project:国家水体污染控制与治理科技重大专项(2014ZX-07213001)。 |
| Author Name | Affiliation | | 莫立焕 | 华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 | | 谈金强 | 华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 | | 王聪聪 | 华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 | | 徐 峻 | 华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 | | 周志明 | 华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 | | 何帅明 | 华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 | | 李 军 | 华南理工大学制浆造纸工程国家重点实验室,广东广州,510640 |
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| Abstract:The structure characterization of Fe-Bentonite which was prepared through cation exchange was studied by X-ray diffraction(XRD), fourier transform infrared spectrometer(FT-IR), scanning electron microscopy(SEM), N2 adsorption-desorption, laser particle size analyzer and X-ray fluorescence (XRF).The results showed that the intensity of its characteristic apex fell a little bit, its the basic skeletons didnt change much,the layered structure became loose, the specific surface area and the Fe2O3 content increased. CODCr removal rate of the effluent with CODCr content of 365 mg/L and initial pH value was 3.0 could reach 80.2% when the dorages of H2O2 and Fe-Bentonite were 3.0 mL/L and 1700 mg/L respectively, under the UV irradiation for 180 min, the Fe ions amount in solution leaching from the Fe-Bentonite was relatively low, and the catalyst could be easily recovered and reused, repeated use would not alter the skeleton and morphology of Fe-Bentonite. |
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