DataVXJournal of Industrial TextilesPaper
journal article·2022-06Open access

Oxidative removal of As(III) by polyacrylonitrile@Ag-Ag 2 O/schwertmannite nanofiber under visible light

Jing Han, Hai-Tao Ren, Ting-Ting Li, Bing-Chiuan Shiu, Yong-Gui Li, Jia-Horng Lin, Ching-Wen Lou

Journal of Industrial Textiles· Volume 51· Issue 4_suppl
Publisher pageOpen full text
Source abstract

Abstract

Visible light response PAN@Ag-Ag 2 O/Sch (PAN@AS, schwertmannite and polyacrylonitrile abbreviated as Sch and PAN) nanofibers with different mass ratios were synthesized by electrospinning technology and pH-induced precipitation reaction. X-Ray diffraction, X-ray photoelectron spectroscopy and transmission electron microscopy analysis showed that the formation of Ag-Ag 2 O/Sch heterojunction and Ag-Ag 2 O nanoparticles were evenly distributed on the surface of Sch. The prepared nanofibers have high oxidative removal performance for As(III) under visible light. In the PAN@AS0.10 system, the total As removal percent can reach 90.96% after 120 min irradiation at pH 4.0. The scavenger experiments confirmed that the main active substances of the PAN@AS0.10 system were h + and •OH. The high oxidation and removal performance of the PAN@AS0.10 composite for As(III) was attributed to the effective separation of photogenerated electron-hole pairs and high adsorption capacity of Sch for As under acidic conditions. This research provides a new material for the oxidation and removal of pollutants in water [such as As(III)] and also provides a research basis for the preparation of recyclable photocatalysts.
Source: crossref · Quality: baseline

Research context

NanomaterialsCompositesCatalysis & surfaces

OpenAlex topics: Arsenic contamination and mitigation · Advanced Photocatalysis Techniques · Advanced Nanomaterials in Catalysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textile Science and Engineering, Tiangong University, Tianjin, China

Clothing and Design Faculty, Minjiang University, Fuzhou, China

Fujian Key Laboratory of Novel Functional Textile Fibers and Materials, Minjiang University, Fuzhou, China

Department of Chemical Engineering and Materials, Ocean College, Minjiang University, Fuzhou, China

Laboratory of Fiber Application and Manufacturing, Department of Fiber and Composite Materials, Feng Chia University, Taichung, Taiwan

Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan

Funding

National Natural Science Foundation of China · Young and Middle-aged Teacher Education Research Project (Science and Technology) of Fujian Province · Science and technology projects of Fujian Province

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