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Influence of Electrospinning Time on Oil-water Coalescence and Separation Performance of the Composite Filter Paper
Received:October 11, 2021  
DOI：10.11980/j.issn.0254-508X.2022.01.004
Key Words:diesel  electrospinning  oil-water coalescence and separation efficiency  pressure drop
Author NameAffiliationPostcode
CHEN Jiale School of Light Industry and Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
WANG Xinyu School of Light Industry and Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
SONG Qiang School of Light Industry and Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
TANG Min School of Light Industry and Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
XU Guilong* School of Light Industry and Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
HU Jian School of Light Industry and Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
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Abstract:PAN micro-nanofiber membranes with different structures were prepared on the surface of substrate by changing the electrospinning time （1~4 h）. The membranes and substrate were combined and prepared composite filter paper， and the oil-water coalescence and separation performance of composite filter paper were explored under the conditions of low diesel interfacial tension （17 mN/m）， small particle size water droplets （Dx（50）=10±1.5 μm） and low moisture content （0.3%）. The results showed that as the electrospinning time increased， the oil-water coalescence and separation efficiency of the composite filter paper increased from 4.85% to 96.88%， and the pressure drop increased from 3.71 kPa to 8.10 kPa. When the spinning time was 1 h， the prepared filter paper composited with a nylon mesh showed relatively good oil-water coalescence and separation performance.
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