期刊
SCIENCE AND TECHNOLOGY FOR THE BUILT ENVIRONMENT
卷 28, 期 7, 页码 928-943出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/23744731.2022.2075188
关键词
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资金
- Ministry of Higher Education Malaysia [FRGS/1/2019/TK02/USM/02/1]
In this study, the electrospinning process was used to modify commercial polyester filter media, resulting in a significant increase in filtration efficiency. The modified filter media exhibited approximately twice the efficiency compared to the commercial polyester filter media. Additionally, the single unit modified filter media showed comparable efficiency and airflow resistance to a combination of two units' air filters.
In this study, the electrospinning process modifies the commercial polyester filter media to increase filtration efficiency. The polyethylene terephthalate (PET) solution produces electrospun fiber on commercial polyester filter media at various rotation speeds and durations. The PET concentration and electrospinning applied voltage were adjusted accordingly to obtain bead-free electrospun fibers. As a result, the modified filter media's filtration efficiency is approximately two times higher than the commercial polyester filter media at 300 rpm and 5 hours of electrospinning duration. Furthermore, the efficiency of the single unit modified filter media is 53.76% with an airflow resistance of 39.2 Pa and quality factor of 0.01968 Pa-1 which are comparable to the combination of two units' air filters. Thus, replacing two units' air filters having a primary and secondary filter with a single unit modified filter media is justifiable.
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