Que peuvent apporter les nouvelles technologies textiles ... · Fine fibers generate pores and...
Transcript of Que peuvent apporter les nouvelles technologies textiles ... · Fine fibers generate pores and...
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Que peuvent apporter les nouvelles
technologies textiles dans le domaine
de la gestion de l’eau ?
Julien PAYEN – Directeur Projets UP-tex
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Introduction
TEXTILE MATERIAL ?
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Today : Textile and Water
Veolia Hydrotech Filter Filters using woven
polyester mesh (10 to 1000 micron)
Veolia 3FM Filters using polyamide
fibers from 40 to 100 microns
WASTE WATER TREATMENT
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New textiles solutions ?
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Fine fibers generate pores and surface area
Jongchul Park, Finetex EnE, Filtrex 2010
Micron Fibers Sub-Micron Fibers
Nanofibers
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Nanofibers
Electrospinning – Solvent process (Image Michigan Tech)
Meltblown – Melt process (Video NCSU)
SEM images of nanoweb (Source ENSAIT)
0%
25%
50%
75%
100%
0 300 600 900 1200 1500 1800
Fil
trati
on
eff
icie
ncy (
%)
Pressure drop (Pa)
Microfiber filters
Nanofiber filters
Ratio between efficiency and
pressure drop increased
J Payen, P Vroman et al. Filtech 2009
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Special Shape Fibers
P84™
4DG™
Specific surface area vs. Denier per
filament
Procon™
Allasso ®
Objective :
Increase specific
surface area
Special Shape Fibers :
– P84™ (Inspec)
– Procon™ (Toyobo)
– 4DG™ (FIT)
– Allasso ® (Allasso Industries)
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Textiles Associations
Nonwoven with variable porosity: “gradient composite” Combined Filtration
Porosity gradient filter
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Functional Textiles
Hydrophobicity/Oleophobicity with Vacuum Plasma
Heavy Metals Particles catched by Cyclodextrins
Conductive textiles or sensors textiles
Cyclodextrins Cage molecules for active compound
Water Textile Sensor (ENSAIT)
Nanofics Hydrophobic Textiles (Europlasma)
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Development in UP-tex cluster ?
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New Filtration media for liquid
clarification
FUI Program : 2013 – 2017 Budget : 2 956 k€ Objectives : enhance filtration properties by - Combining different medias - Reach submicron fibers and high porosity
R&D Project at UP-tex
DEPOLTEX Project
Development of depolluting geotextiles for the treatment of dredged sediments
Consortium :
FUI Program : 2011 - 2015 Budget : 3 393 k€
Objectives : - Graft biobased polymers onto geotextiles to interact with heavy metals ions
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R&D Project at UP-tex
Innovative Methods for Mud
Dehydratation
FUI Program : 2014 - 2018
Budget : 1 493 k€
Consortium :
Objectives :
- Develop a conductive textile filter for applying an electric field to
increase performance of mud dehydratation by press filter
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CETI Campus
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Thank you for your attention
Julien PAYEN, PhD
Directeur Projets
UP-tex
+33 6 73 59 08 71