Experimental Study on the Influence of Nanofiber Membrane on the Performance of Filter Media

doi:10.12068/j.issn.1005-3026.2018.11.028

Abstract

Abstract: The nano-polyester filter with “sandwich” structure was prepared by electrospinning method. The dynamic performance of the polyester filter with or without the nanofiber membrane was tested. The results indicate that at the beginning of fresh filter stage， the resistance of nano-polyester filter increase rapidly. As the process progresses， the resistance grows slowly and the time required to complete each cycle is longer than polyester filter， the dust stripping rate of nano-polyester filter is 96.9%. At the aged stage， nano-polyester filter resistance increases by 81.9Pa and polyester filter increases by 112.3Pa. At the stabilized stage， the dust stripping rate of nano-polyester is 99.89% with the resistance growth slowly and long-time filtration cycle. The performance of nano-polyester filter is obviously better than that of polyester filter.

Key words: filter, electrospinning, polyester, baghouse, resistance, nano-polyester filter

CLC Number:

X513

GUO Ying-he， HE Wei-dong， LIU Jing-xian. Experimental Study on the Influence of Nanofiber Membrane on the Performance of Filter Media[J]. Journal of Northeastern University Natural Science, 2018, 39(11): 1662-1666.

References

[1]Mage D，Ozolins G，Peterson P，et al.Urban air pollution in megacities of the world［J］.Atmospheric Environment，1997，30(5):681-686.
[2]Wang J L，Zhang Y H，Shao M，et al.Quantitative relationship between visibility and mass concentration of PM2.5 in Beijing［J］.Journal of Environmental Sciences，2006，18(3):475-481.
[3]Chana C K，Yao X.Air pollution in megacities in China［J］.Atmospheric Environment，2008，42(1):1-42.
[4]柳静献，毛宁，常德强，等.高密面层结构对针刺毡滤料性能影响的实验研究［J］.东北大学学报(自然科学版)，2011，32(1):1030-1034.(Liu Jing-xian，Mao Ning，Chang De-qiang，et al.Experimental study on the effect of high-density surfaces structure on filtration performance of needle-punched felt［J］.Journal of Northeastern University(Natural Science)，2011，32(1):129-132.
[5]Liu J X，Pu D Y H，Wang J.Removal of airborne nanoparticles by membrane coated filters［J］.Science of the Total Environment， 2011，409(22):4868-4874.
[6]Barhate R，Ramakrishna S.Nanofibrous filtering media:filtration problems and solutions from tiny materials［J］.Journal of Membrane Science，2007，296(1/2):1-8.
[7]Podgorski A，Balazy A，Gradon L.Application of nanofibers to improve the filtration efficiency of the most penetrating aerosol particles in fibrous filters［J］.Chemical Engineering Science，2006，61(20):6804-6815.
[8]Subbiah T，Bhat G S，Tock R W，et al.Electrospinning of nanofibers［J］.Journal of Applied Polymer Science，2005，96(2):557-569.
[9]Huang Z M，Zhang Y Z，Kotaki M，et al.A review on polymer nanofibers by electrospinning and their applications in nanocomposites［J］.Composites Science & Technology，2003，63(15):2223-2253.
[10]Lu P，Ding B.Applications of electrospunfibers［J］.Recent Patents on Nanotechnology，2008，2(3):169-182.
[11]Li L，Frey M W，Green T B.Modification of air filter media with nylon-6 nanofibers［J］.Journal of Engineered Fibers and Fabrics，2006，1(1):1-22.
[12]Nakata K，Kim S H，Ohkoshi Y，et al.Electrospinning of poly(ether sulfone)and evaluation of the filtration efficiency［J］.Fiber，2007，63(12):307-312.
[13]Kim S J，Nam Y S，Rhee D M，et al.Preparation and characterization of antimicrobial polycarbonate nanofibrous membrane［J］.European Polymer Journal，2007，43(8):3146-3152.
[14]Morrow C J，Wallace J S.Enzyme catalyzed synthesis of polyesters［J］.Progress in Polymer Science，2005，30(10):949-981.
[15]Yu L，Dean K，Li L.Polymer blends and composites from renewable resources［J］.Progress in Polymer Science，2006，31(6):576-602.