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High-temperature soot filtration performance of superhydrophobic PAN/PVDF-HFP/TiO2 fibrous membranes
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Mei HONG1, Ming ZHANG2, Xiao MA2, Jun ZHENG2, Fu-ping QIAN2, *
China Environmental Science | 2025, 45(1) : 40 - 49
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China Environmental Science | 2025, 45(1): 40-49
Air Pollution Control
High-temperature soot filtration performance of superhydrophobic PAN/PVDF-HFP/TiO2 fibrous membranes
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Mei HONG1, Ming ZHANG2, Xiao MA2, Jun ZHENG2, Fu-ping QIAN2, *
Affiliations
  • 1.School of Materials Science and Engineering, Anhui University of Technology, Ma’anshan 243032, China
  • 2.School of Energy and Environment, Anhui University of Technology, Ma’anshan 243032, China
Published: 2025-01-20
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The novel PAN/PVDF-HFP/TiO2 nanofibrous membranes with a high performance in PM2.5 removal and high-temperature filtration were developed in this study under co-electrospinning-electrospray strategy, with PVDF-HFP/TiO2 as the functional layer and polyacrylonitrile (PAN) as the base membrane. According to the results, the PHT20nanofibrous membrane achieved an efficiency of 99.8% in capturing particulate matters, a low pressure drop of 67Pa, excellent air permeability, and high thermal stability (to 200℃). Moreover, the results of self-cleaning tests showed that the superhydrophobic surfaces of the PAN/PVDF-HFP/TiO2 nanofibrous membranes were resistant to dust particle contamination. To sum up, the multifunctional PPHT20 nanofibrous membrane developed in this study is an effective solution to dust removal at high temperatures.

electrospinning  /  electrospray  /  superhydrophobic  /  soot filtration  /  thermostability
Mei HONG, Ming ZHANG, Xiao MA, Jun ZHENG, Fu-ping QIAN. High-temperature soot filtration performance of superhydrophobic PAN/PVDF-HFP/TiO2 fibrous membranes[J]. China Environmental Science, 2025 , 45 (1) : 40 -49 .
Year 2025 volume 45 Issue 1
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  • Receive Date:2024-09-12
  • Online Date:2026-03-18
  • Published:2025-01-20
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  • Received:2024-09-12
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    1.School of Materials Science and Engineering, Anhui University of Technology, Ma’anshan 243032, China
    2.School of Energy and Environment, Anhui University of Technology, Ma’anshan 243032, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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