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IJFTR Vol.34(3) [September 2009] >


Title: Filtration characteristics of spun-laid nonwoven fabrics
Authors: Das, A
Alagirusamy, R
Nagendra, K Rajan
Keywords: Filtration efficiency
Needle-punched nonwoven
Spun-laid nonwovens
Thermobonded nonwoven
Issue Date: Sep-2009
Publisher: CSIR
Abstract: The filtration behaviour of two types of spun-laid nonwoven fabrics, namely thermobonded and needle-punched, with wide range of physical parameters has been studied. A computerized air filtration apparatus has been designed and developed for measuring the air filtration characteristics of different types of filter fabrics. The developed apparatus measures the filtration parameters following the principle of dry filtration mechanisms. Needle-punched nonwovens show good filtration efficiency with lower pressure drop than the corresponding thermobonded nonwovens. Overall, the needle-punched fabrics perform better as a filter fabric in comparison to thermobonded nonwovens
Page(s): 253-257
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Source:IJFTR Vol.34(3) [September 2009]

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