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InSitu Preparation of Bismuth Oxyhalide/Pulp Fibers Composite Photocatalytic Paper and Its Formaldehyde Removal Performance
Received:November 20, 2019  
DOI：10.11980/j.issn.0254-508X.2020.03.001
Key Words:photocatalytic paper  in situdeposition  bismuth oxyhalide  formaldehyde removal
Author NameAffiliationPostcode
耿巍 东北林业大学生物质材料科学与技术教育部重点实验室,黑龙江哈尔滨,150040 150040
钱学仁 东北林业大学生物质材料科学与技术教育部重点实验室,黑龙江哈尔滨,150040 150040
安显慧 东北林业大学生物质材料科学与技术教育部重点实验室,黑龙江哈尔滨,150040 150040
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Abstract:Bismuth oxyhalide (BiOX, X=Cl, Br, I) wasin situ deposited on pulp fibers (PFs), BiOX/PFs composite photocatalytic paper was prepared, and its formaldehyde removal performance was evaluated. The study found that BiOI/PFs composite paper had the best formaldehyde removal performance under the same BiOX deposition rate, and the formaldehyde removal rate reached 75%. Compared with BiOCl/PFs composite paper, BiOBr/PFs and BiOI/PFs composite papers had superior visible light photocatalytic performance, their formaldehyde removal rates were 61%, 74% and 75% respectively. BiOX/PFs composite photocatalytic paper was characterized by means of scanning electron microscope (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and electrochemical impedance spectroscopy (EIS). Characterization test results had proven that BiOX successfully composited with PFs. Finally, the photocatalytic mechanism of BiOX/PFs composite paper was discussed.
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