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Advances in Fiber Technology for High- Performance Filtration Jeffrey S. Dugan and Edward C. Homonoff Fiber Innovation Technology, Inc.

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Presentation on theme: "Advances in Fiber Technology for High- Performance Filtration Jeffrey S. Dugan and Edward C. Homonoff Fiber Innovation Technology, Inc."— Presentation transcript:

1 Advances in Fiber Technology for High- Performance Filtration Jeffrey S. Dugan and Edward C. Homonoff Fiber Innovation Technology, Inc.

2 (yes, this is the first slide)

3 Coal power plant process diagram, featuring exhaust gas filtration bag house filtration unit

4

5 soot hot air SO x H2OH2O NO x Hg Cl -, Br -, F -, I - bag filters to stack clean air

6 Typical Baghouse Fabric needlepunched nonwoven – 16 oz./yd 2 tightly needled to control permeability optional scrim for dimensional stability optional expanded PTFE laminate to limit penetration

7 Typical Baghouse Fibers fiberchemical resistancecost/lb P84 ® poor acid resistance$13-15 Kermel ® poor acid resistance$12-14 Nomex ® poor acid resistance$10-12 Teflon ® good resistance pH 1-14$28-32 Glassv. poor acid resistancelow

8 Problems: cost availability filtration efficiency

9 Solution: PPS cost availability filtration efficiency (polyphenylene sulfide) √ √ ? ?

10 S Polyphenylene sulfide

11 PPS Properties high tenacity low shrinkage flame resistance thermoplasticity

12 PPS Wet Heat Resistance % strength retention % strength retention days exposed PET PPS 160º C autoclave (6.5 kg/cm 3 ) meta-aramid

13 PPS Chemical Resistance % strength retention % strength retention days exposed PPS 48% Sulfuric Acid meta-aramid

14 Shaped Cross Sections 4DG ™

15 Bicomponent Fibers PPS sheath PET core

16 Bicomponent Fibers PPS PET

17 3 denier 0.19 denier Bicomponent Fibers

18 Solution: PPS cost availability filtration efficiency (polyphenylene sulfide) √ √ √ healthy lungs √

19 (yes, this is the last slide) Fiber Innovation Technology, Inc.

20 Fiber Innovation Technology, Inc.

21


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