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Advances in Fiber Technology for High-Performance Filtration

Fiber. Innovation. Technology, Inc. Advances in Fiber Technology for High-Performance Filtration. Jeffrey S. Dugan. and. Edward C. Homonoff. (yes, this is the first slide) . bag house. filtration unit. Coal power plant process diagram, featuring exhaust gas filtration. clean air.

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Advances in Fiber Technology for High-Performance Filtration

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

  2. (yes, this is the first slide)

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

  4. clean air to stack NOx Hg Cl-, Br-, F-, I- soot hot air bag H2O filters SOx

  5. optional expanded PTFE laminate to limit penetration Typical Baghouse Fabric needlepunched nonwoven – 16 oz./yd2 tightly needled to control permeability optional scrim for dimensional stability

  6. Typical Baghouse Fibers fiber chemical resistance cost/lb Teflon® good resistance pH 1-14 $28-32 P84 ® poor acid resistance $13-15 Kermel ® poor acid resistance $12-14 Nomex ® poor acid resistance $10-12 Glass v. poor acid resistance low

  7. Problems: cost availability filtration efficiency

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

  9. S Polyphenylene sulfide

  10. PPS Properties high tenacity low shrinkage flame resistance thermoplasticity

  11. PPS Wet Heat Resistance 160º C autoclave (6.5 kg/cm3) 100 PPS 80 % strength retention meta-aramid PET 60 0 24 48 72 96 120 144 days exposed

  12. PPS Chemical Resistance 48% Sulfuric Acid 100 PPS meta-aramid 80 % strength retention 60 0 15 30 45 60 75 90 days exposed

  13. Shaped Cross Sections 4DG™

  14. Bicomponent Fibers PPS sheath PET core

  15. Bicomponent Fibers PPS PET

  16. Bicomponent Fibers 3 denier 0.19 denier

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

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

  19. Fiber Innovation Technology, Inc.

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