Filtration efficiency of submicrometer filters

Muralidhar Lalagiri, Gajanan Bhat, Vinitkumar Singh, Siva Parameswaran, Ronald J. Kendall, Seshadri Ramkumar

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

Meltblown technology has recently gained a lot of attention in the production of submicrometer fiber webs with a fiber size less than 1 μm. Single layer polypropylene meltblown webs with fiber diameters ranging from 520 to 2100 nm were produced using nano and micro dies. To our best knowledge, there are no substantial data in the public domain on the filtration characteristics of single layer stand alone submicrometer meltblown webs and their comparison with micrometer sized webs. This paper focuses on the influence of fiber diameter on the filtration characteristics of standalone single layer submicrometer and micrometer sized meltblown webs. Submicrometer single layer webs showed higher filtration efficiency and a higher quality factor, whereas webs with fiber diameters more than a micrometer showed lower filtration efficiency and a lower quality factor.

Original languageEnglish
Pages (from-to)16513-16518
Number of pages6
JournalIndustrial and Engineering Chemistry Research
Volume52
Issue number46
DOIs
StatePublished - Nov 20 2013

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