biodegradability of wood-based cellulose fibers · world of wipes 2017, june 12 – 15 in nashville...
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World of Wipes 2017, June 12 – 15 in Nashville
Wolfgang Plasser, Shayda Rahbaran
Biodegradability ofwood-based cellulose fibers
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Sales: EUR 2,134.10 mn
(2015: 1,976.80 mn)
Fiber sales volumes: 978,000 tons
(2015: 965,000 tons)
Staff: 6,218 (2015: 6,127)
Listed at Vienna Stock Exchange,
Prime Market (ATX)
Major shareholders:
B&C Privatstiftung >50%
Oberbank AG >4%
The Lenzing Group 2016
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Global fiber marketGlobal fiber consumption 2016
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Taking a standagainst marine litter
Wood-basedcellulose fibers
Answering the wipes industry challenge
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Marine litter
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Media misconceptions augment uncertainty
The wipes also might poseenvironmental risks,because they’re made fromplastics and syntheticcellulosic fibers, some ofwhich arenon-degradable....
The Atlantic, Oct. 2016https://www.theatlantic.com/science/archive/2016/10/are-wet-wipes-wrecking-the-worlds-sewers/504098/)
Surprisingly, more than halfof the fibers collectedcontained rayon, a man-made synthetic polymer…
National Geographic, Dec. 2014http://news.nationalgeographic.com/news/2014/12/141218-deep-ocean-micro-plastic-fibers-trash-discovery/
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Ongoing issue: industry misconception
…Key requirements for any standardinclude that the product: … does notcontain plastic or regenerated celluloseand only contains materials which willreadily degrade in a range of naturalenvironments.
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Educate media, influencersand the public about rayon
Promote sustainable andbiodegradable materials
What can we do?
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Fibers on the world market
Protein-based Cellulose-based From syntheticpolymersCotton
Bast FibersRegenerated
CelluloseFibers
Cotton Lyocell
etc. Viscose
Federal Trade Commission definition for “Rayon” fiber:
A manufactured fiber composed of regenerated cellulose, in which substituents havereplaced not more than 15% of the hydrogens of the hydroxyl groups. Lyocell isclassified as a sub-category under “Rayon”.
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Cellulose - most abundant natural polymer on earth
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The cellulose cycle
Wipes
Pulp
Photosynthesis
Disposal
Use
Trees
Fiber production
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Lenzing offers fibers from the renewable source wood
From wood to wipes
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Proof of environmentally friendly Lenzing™ fibers and processes
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Biodegradability is break down of aproduct by microorganisms intocarbon dioxide and water, so that itcan be consumed by the environment[EN 14046 (2003) or ISO 14855(2005)].
Lenzing™ fibers are completely biodegradable in soil
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Compostability test includes four tests
Source: http://www.ows.be/lc_divisions/biodegradability-compostability-ecotoxicity-bce/ – the picture belongs to OWS and it is under copy right of OWS
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Lenzing™ fibers are fully compostable according to theEuropean Norm EN 13432
Ecotoxicity testingEN 13432 (2000), ASTM D 6400-04, ISO 17088
BiodegradationISO 14855 (2005) or EN 14046 (2003)
DisintegrationEN 14045 (2003)
Chemical CharacteristicsEN 13432 (2000), TS-OK-10
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TENCEL® branded lyocell fibers disintegrate completely incompost at an ambient temperature within 4 months
at start 1 week 2 weeks 4 weeks 6 weeks
8 weeks 10 weeks 16 weeks
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Lenzing™ fibers are fully biodegradable in seawater
Ecotoxicity testingOPPTS 850.1010 (1996), OECD 202 (2004): 30°C ± 2°C, incubation of 3 months
Pass: <10% of Daphnia should be affected
BiodegradationASTM D6691 (2009): at 30°C ± 2°C, 6 months – Pass: >90% biodegradation
DisintegrationTS-OK-23 VINCOTTE: 30°C ± 2°C, 3 months - Pass: >90% disintegration
Chemical CharacteristicsEN 13432 (2000), Cobalt: tabel II of T-4-93
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Example for fully biodegradable moist toilet tissue
TENCEL® lyocell short cut fibers in blends with wood pulpprovide fully biodegradable wetlaid/hydroentangled fabrics in arange of natural environments.
Strong in useQuick disintegration Biodegradable
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Educate the public about rayon
Promote biodegradable products
Lenzing offers fully biodegradablewood-based cellulose fibers incompost, landfill, water andseawater
Lenzing, your partner in wipes
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Megatrend: sustainability is gaining in importance
Less than 1% of globalwater resources isavailable as freshwater for people
Arable land isdecreasing as aresult of erosion andurbanization
Oil is a finiteresource with anumber of negativeside effects
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Lenzing showcases the new sustainability strategy on “World Earth Day”
http://www.lenzing.com/en/press/publications/sustainability-reports.html
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Production of TENCEL® lyocell fibers in Mobile, Alabama
Investing USD 293 mn to triple the capacity of plant
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Thank you for your attention!
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