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| Study on the Effect of Fiber Size Classification on Water Filtration Properties of Filter Paper |
| Received:March 04, 2025 |
| DOI：10.11980/j.issn.0254-508X.2025.06.011 |
| Key Words:filtration efficiency air permeability fiber size |
| Author Name | Affiliation | Postcode | | JIANG Jiewei* | School of Light Industry Science and Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510640 | 510640 | | YANG Dong | Henan Hejing Cleaning Technology Co., Ltd., Zhengzhou, He’nan Province, 450001 | 450001 | | TANG Min* | School of Light Industry Science and Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510640
Guangdong South China University of Technology Paper Engineering Research Center Co., Ltd., Guangzhou, Guangdong Province, 510640 | 510640 | | HU Jian | School of Light Industry Science and Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510640
Guangdong South China University of Technology Paper Engineering Research Center Co., Ltd., Guangzhou, Guangdong Province, 510640 | 510640 | | LIANG Yun | School of Light Industry Science and Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510640
Guangdong South China University of Technology Paper Engineering Research Center Co., Ltd., Guangzhou, Guangdong Province, 510640 | 510640 |
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| Abstract:In this study， glass fiber and aramid fiber were used as the research objects， and the fibers were size graded by Bauer sieve instrument. The changes in the morphology， length， and diameter of the different sieving segments were analyzed in the experiment. The results showed that the average diameter， maximum diameter， and length of the fibers decreased significantly with the decrease of the pore size of screening mesh. At the same time， the fiber diameter dispersion decreased， the standard deviation coefficient of glass fiber diameter decreased from 103.9% to 74.5%， and the standard deviation coefficient of aramid fiber diameter decreased from 188.0% to 92.9%. Therefore， the surface flatness of the filter material was improved and the pore size distribution was more concentrated. The fiber size classification had different effects on the water filtration performance of different fiber filter materials. Specifically， the maximum filtration efficiency of the fiber filter paper of the aramid fiber that did not pass through the sieve plate with a pore size of 0.600 mm for 0.3 µm particles was 60.33%. With the decrease of the sieve plate pore size， the filtration efficiency of the filter paper for 0.3 µm particles decreased. The filtration efficiency of the fiber filter paper with glass fiber passing through a 0.075 mm sieve plate for 0.3 µm particles was the highest at 43.46%. As the aperture of the sieve plate decreases， the filtration efficiency of the filter paper for 0.3 µm particles increased. |
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