From the Sector

For the third time, nova-Institute awards the “Cellulose Fibre Innovation of the Year” award in the frame of the “Cellulose Fibres Conference 2023” (8-9 March 2023). The conference advisory board nominated six remarkable products, including cellulose fibres from textile waste, banana production waste and bacterial pulp, a novel technology for producing lyocell yarns and a hygiene product. The innovations will be put to the vote of the conference audience on the first day of the event, with the awards ceremony taking place in the evening. The innovation award “Cellulose Fibre Innovation of the Year 2023” is sponsored by GIG Karasek (AT).

Here are the six nominees
Vybrana – The new generation banana fibre – GenCrest Bioproducts (India)
Vybrana is a Gencrest’s Sustainable Cellulosic Fibre upcycled from agrowaste. Raw fibres are extracted from the Banana Pseudo stem at the end of the plant lifecycle. The biomass waste is then treated by the Gencrest patented Fiberzyme technology. Here, cocktail enzyme formulations remove the high lignin content and other impurities and help fibre fibrillation. The company's proprietary cottonisation process provides fine, spinnable cellulose staple fibres suitable for blending with other staple fibres and can be spun on any conventional spinning systems giving yarns sustainable apparel. Vybrana is produced without the use of heavy chemicals and minimized water consumption and in a waste-free process where balance biomass is converted to bio stimulants Agrosatva and Bio Fertilizers & organic manure.

HeiQ AeoniQ™ – technology for more sustainability of textiles – HeiQ (Austria)
HeiQ AeoniQ™ is the disruptive technology and key initiative from HeiQ with the potential to change the sustainability of textiles. It is the first climate-positive continuous cellulose filament yarn, made in a proprietary manufacturing process and the first to reproduce the properties of polyester and nylon yarns in a cellulosic, biodegradable, and endlessly recyclable fibre.
HeiQ AeoniQ™ can be manufactured from different cellulosic raw materials such as pre- and post-consumer textile waste, biotech cellulose, and non-valorized agricultural waste, such as ground coffee waste or banana peels. It naturally degrades after only 12 weeks in the soil. Each ton of HeiQ AeoniQ™ saves 5 tons of CO2 emissions. The first garments made with this innovative cellulosic filament fiber were commercially launched in January 2023.

TENCEL™ LUXE – lyocell filament yarn – Lenzing (Austria)
TENCEL™ LUXE is LENZING’s new versatile lyocell yarn that offers an urgently needed sustainable filament solution for the textile and fashion industry. A possible botanical alternative for silk, long-staple cotton, and petrol-based synthetic filaments, is derived from wood grown in renewable, sustainably managed forests, and produced in an environmentally sound, closed-loop process that recycles water and reuses more than 99 % of organic solvent. Certified by The Vegan Society, it is suitable for a wide range of applications and fabric developments, from finer high fashion propositions to denim constructions, seamless and activewear innovations, and even agricultural and technical solutions.

Nullarbor™ – Nanollose & Birla Cellulose (Australia/India)
In 2020, Nanollose & Birla Cellulose started a journey to develop and commercialize tree-free lyocell from bacterial cellulose, called Nullarbor™. The name derives from the Latin “nulla arbor” which means “no trees”. Initial lab research at both ends led to a joint patent application with the patent “production of high-tenacity lyocell fibres made from bacterial cellulose”.
Nullarbor is significantly stronger than lyocell made from wood-based pulp; even adding small amounts of bacterial cellulose to wood pulp increases the fibre toughness. In 2022, the first pilot batch of 260kg was produced with 20 % bacterial pulp share. Several high-quality fabrics and garments were produced with this fibre. The collaboration between Nanollose & Birla Cellulose now focuses on increasing the production scale and amount of bacterial pulp in the fibre.

Circulose® – makes fashion circular – Renewcell (Sweden)
Circulose® made by Renewcell is a branded dissolving pulp made from 100 % textile waste, like worn-out clothes and production scraps. It provides a unique material for fashion that is 100 % recycled, recyclable, biodegradable, and of virgin-equivalent quality. It is used by fibre producers to make staple fibre or filaments like viscose, lyocell, modal, acetate or other types of man-made cellulosic fibres. In 2022, Renewcell, opened the world’s first textile-to-textile chemical recycling plant in Sundsvall, Sweden – Renewcell 1. The plant will eventually reach 120,000 tons of annual capacity.

Sparkle sustainable sanitary pads – Sparkle Innovations (United States)
Globally, around 300 billion period products are discarded every year, resulting in millions of tons of non-biodegradable waste. Since most conventional sanitary pads contain up to 90 % plastics, they do not biodegrade for around 600 years. Sparkle has designed sustainable, plastic-free, biodegradable and compostable Sparkle sanitary pads. From product to packaging, they are made up of around 90 % cellulose-based materials with top sheet, absorbent core, release paper, wrapping paper and packaging made of cellulose-based fibres. Whether Sparkle pads end up in a compost pit, are incinerated or end up in a landfill, they are a more sustainable alternative compared to conventional pads that contain large amounts of plastics, complex petro-chemical based ingredients and artificial fragrances. When tested according to ISO 14855-1 by a leading independent lab in Europe, Sparkle pads reached over 90 % absolute biodegradation within 90 days in commercial composting conditions.

• Einladung zur Abschlusskonferenz des Projektes iMulch

Während Kunststoffe in maritimen Gewässern aktuell zahlreiche gesellschaftliche Akteure beschäftigen, finden Bodenbelastungen durch Kunststoffe in Äckern und Feldern durch landwirtschaftliche Folien bisher kaum Beachtung. Besonders Mulchfolien kommen sowohl zur Ertragssteigerung als auch infolge klimatischer Ursachen, immer häufiger zum Einsatz.

Dieser Thematik widmeten sich daher die Forschenden des Projektes iMulch. Um einen Nachweis von Kunststoffen in Böden und Drainagewässern zu erbringen und mögliche Folgen aufzuzeigen, untersuchte und verglich das Forschungsteam den Einfluss konventioneller erdölbasierter Mulchfolien mit bio-abbaubaren Alternativen.

Die gesammelten Projektergebnisse präsentiert das Konsortium mit Unterstützung externer Expertinnen und Experten am 28. April von 10-17 Uhr online im Rahmen der iMulch Abschlusskonferenz. Eine Anmeldung zur kostenlosen Teilnahme sowie die Veranstaltungsagenda finden sie unter dem folgenden Link:
http://imulch.eu/abschlusskonferenz/

Kunststoffemission in Böden
Um untersuchen zu können, ob der Einsatz von Mulchfolien auf Böden kritische Kunststoffemissionen verursacht, entwickelten die Forschenden zunächst eine umfassende Teststrategie. Diese ermöglichte es, Informationen zu Menge, Typ und Größe der Kunststoffpartikel sowie zu ihrem Transportverhalten und Verbleib im Boden zu gewinnen. Der erste Schritt bestand in der Entwicklung geeigneter Test-Methoden zur Bestimmung von Polymermenge, Polymerart und Polymergröße. Einsatz fanden besonders die Thermoextraktions-Desorptions-Gaschromatographie-Massenspektrometrie (TED-GC-MS), FT-IR-Spektrometrie und die konfokale Raman-Mikroskopie (CRM).

In Laborständen untersuchten sie parallel die Verwitterung von Folien in Böden und in Drainagewasser sowie das Adsorptionsverhalten von Folien in Bezug auf Schadstoffe. Ein weiterer Untersuchungsschwerpunkt bestand in der möglichen Toxizität der Folien auf aquatische und terrestrische Organismen. Die Ergebnisse dieser Experimente boten wertvolle Rückschlüsse zum Verhalten und Verbleib landwirtschaftlicher Folien in der Umwelt.

Über mehr als 12 Monate hinweg erforschte das Team zudem den Transport der in den Folien eingesetzten Polymere in Freilandlysimetern. Hierbei analysierten sie sowohl den Transport im Boden als auch die Aufnahme in Pflanzen. Die Ergebnisse erlauben Rückschlüsse zur Frage, ob Polymerpartikel aus dem Boden ins Grundwasser eintreten oder durch eine Aufnahme in Pflanzen in die Nahrungskette gelangen können.

Mikrobielles Upcycling durch Bakterien
Eine vielversprechende Lösung zum Abbau und zur Nutzbarmachung von Mulchfolienresten scheinen mikrobielle Upcycling-Ansätze zu bieten. Diese nutzen Mikroorganismen, welche in der Lage sind, Kunststoff-Moleküle im Rahmen von Stoffwechselprozessen umzuwandeln.

Hierbei können sie Moleküle von industriellem Interesse produzieren, beispielsweise das Biopolymer PHA. Eine Optimierung der Stoffwechselwege des Mikroorganismus Cupriavidus necator demonstrierten die Forschenden erfolgreich am Beispiel von PBAT-Monomeren und realisierten dort eine effektive Umwandlung zum Biopolymer PHA. Diese stoffliche Nutzung von Mulchfolien durch mikrobielles Upcycling kann zukünftig zu einer signifikanten Verbesserung der Ökobilanz landwirtschaftlicher Folien beitragen. Das Projekt iMulch wird mit Mitteln aus dem Europäischen Fond für regionale Entwicklung (EFRE) „Investitionen in Wachstum und Beschäftigung“ gefördert.

• International Conference on Cellulose Fibres 2022, 2-3 February in Cologne, Germany and online
• Call for Innovations
• Six nominees will get the chance to present their unique products

The footsteps are big: in 2021, Stora Enso from Sweden won the innovation award, granted on the first day of the “International Conference on Cellulose Fibres”. Their new cellulose foam for packaging fully convinced the audience. Second place was taken by Kelheim Fibres (Germany) with their high-quality hygiene products made of cellulose ahead of third place occupant Metsä Spring from Finland that presented a new cellulose fibre production process.

nova-Institute has opened the Call for Innovations for the “Cellulose Fibre Innovation of the Year 2022” award until 15 November 2021. All producers, inventors and pioneers along the entire value chain from feedstock to final product are invited to enter the competition. Developments of new technologies and applications are welcome. An independent expert jury will select a total of six new materials and products from all entries for the award. The innovators get a free 2-day ticket for the conference and the unique opportunity to present and market their product or technology to a huge professional audience. After short presentations of the six candidates at the conference, the three winners will be elected by the participants of the conference and honored with the innovation award at a festive gala dinner.

Following the conference, nova-Institute issues an international press release to announce the winners.

Call for Innovations
More information about the innovation award and the application can be found at www.cellulose-fibres.eu/award-application
Deadline for submission: 15 November 2021

• 10–12 May 2022, Cologne, Germany (hybrid)
• The unique concept of presenting all renewable material solutions at one event hits the mark: bio-based, CO2-based and recycled are the only alternatives to fossil-based chemicals and materials

Ready-to-use fossil-free sustainable material solutions with a low carbon footprint are in fast-growing demand. Innovative brand owners are keeping an eye out for such solutions, in particular those that will soon reach the mainstream.

For the second time, nova-Institute presents numerous market highlights from bio- and CO2-based chemicals and materials as well as from chemical recycling: All material solutions based on renewable carbon. Together, there is sufficient potential to completely replace petrochemicals by 2050. To tackle climate change at its roots, all additional fossil carbon from the ground must be substituted with renewable alternatives. Over the course of three days, participants will get a comprehensive overview of the latest developments in the renewable material sector, with a focus on industry-ready solutions from a wide spectrum of sustainable raw materials and technologies.

In 2021, the new concept of the Renewable Materials Conference generated an outstanding response, which exceeded all expectations: 420 online participants witnessed a firework of innovations of non-fossil material. 60 speakers, 11 panel discussions, 500 public posts and 1,500 networking activities were proof of the lively exchange during the three conference days.

In 2022, nova-Institute plans to host the conference physically in the heart of Germany's fourth largest city, Cologne, just a few hours away from France, Belgium and the Netherlands. Expected are 400 participants on-site and many more online. On-site, the conference will be accompanied by a large exhibition where companies and institutes can showcase their recent developments. The supporting program, networking activities and many secluded spots at the location offers excellent opportunities to make new business contacts and refresh old ones.

The focus of the conference: All material solutions based on renewable carbon – avoiding the use of additional fossil carbon. The entire spectrum of renewable materials is covered: bio-based, CO2- based and recycled.

The program includes a diverse range of bio-based materials such as bio-based polymers, plastics and biocomposites (first and second generation, biowaste), CO2-based materials (from fossil and biogenic point sources, atmosphere) as well as mechanically and chemically recycled materials.