[{"command":"openDialog","selector":"#drupal-modal","settings":null,"data":"\u003Cdiv id=\u0022republish_modal_form\u0022\u003E\u003Cform class=\u0022modal-form-example-modal-form ecl-form\u0022 data-drupal-selector=\u0022modal-form-example-modal-form\u0022 action=\u0022\/es\/article\/modal\/10299\u0022 method=\u0022post\u0022 id=\u0022modal-form-example-modal-form\u0022 accept-charset=\u0022UTF-8\u0022\u003E\u003Cp\u003EHorizon articles can be republished for free under the Creative Commons Attribution 4.0 International (CC BY 4.0) licence.\u003C\/p\u003E\n      \u003Cp\u003EYou must give appropriate credit. We ask you to do this by:\u003Cbr \/\u003E\n      1) Using the original journalist\u0027s byline\u003Cbr \/\u003E\n      2) Linking back to our original story\u003Cbr \/\u003E\n      3) Using the following text in the footer: This article was originally published in \u003Ca href=\u0027#\u0027\u003EHorizon, the EU Research and Innovation magazine\u003C\/a\u003E\u003C\/p\u003E\n      \u003Cp\u003ESee our full republication guidelines \u003Ca href=\u0027\/horizon-magazine\/republish-our-stories\u0027\u003Ehere\u003C\/a\u003E\u003C\/p\u003E\n      \u003Cp\u003EHTML for this article, including the attribution and page view counter, is below:\u003C\/p\u003E\u003Cdiv class=\u0022js-form-item form-item js-form-type-textarea form-item-body-content js-form-item-body-content ecl-form-group ecl-form-group--text-area form-no-label ecl-u-mv-m\u0022\u003E\n        \n\u003Cdiv\u003E\n  \u003Ctextarea data-drupal-selector=\u0022edit-body-content\u0022 aria-describedby=\u0022edit-body-content--description\u0022 id=\u0022edit-body-content\u0022 name=\u0022body_content\u0022 rows=\u00225\u0022 cols=\u002260\u0022 class=\u0022form-textarea ecl-text-area\u0022\u003E\u003Ch2\u003ELemon peel, flax fibres hold keys to eco-friendly car parts\u003C\/h2\u003E\u003Cp\u003EThink of the car or construction industry and lemon peel, corn starch and almond shells hardly come to mind. Yet manufacturers may rely increasingly on such raw materials as Europe seeks to reduce waste \u2013 from both agriculture and plastics.\u003C\/p\u003E\u003Cp\u003ENew high-performance industrial materials from farm waste emerged from the \u003Ca href=\u0022https:\/\/cordis.europa.eu\/project\/id\/745578\u0022\u003EBARBARA\u003C\/a\u003E project, pointing the way to stepped-up innovation in the European bioeconomy.\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EGetting circular\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003EFunded in a partnership between the EU and the private sector, the project used agricultural residues including lemon peel, corn starch, almond shells and pomegranate skins as additives for biopolymers, which occur in living organisms such as plants and can be used in manufacturing.\u003C\/p\u003E\u003Cp\u003EThe result: prototypes of car parts and construction moulds made using the 3D printing expertise of Spain-based Aitiip Technology Centre.\u003C\/p\u003E\u003Cp\u003E\u2018The most exciting thing from our point of view is that there are no residues, only resources,\u2019 said Berta Gonzalvo, research director at Aitiip, which coordinated the three-and-a-half-year project. \u2018Automotive and construction pieces have been successfully validated, demonstrating that a circular economy is possible and contributing to reducing environmental impact.\u2019\u003C\/p\u003E\u003Cp\u003EThe EU is spurring the development of products derived from materials of biological origin, part of a push not just to cut waste but also to reduce emissions of carbon dioxide and to make industrial goods safer.\u003C\/p\u003E\u003Cp\u003E\u003Cblockquote class=\u0022text-center text-blue font-bold text-2xl w-full lg:w-1\/2 border-2 border-blue p-12 my-8 lg:m-12 lg:-ml-16 float-left\u0022\u003E\n  \u003Cspan class=\u0022text-5xl rotate-180\u0022\u003E\u201c\u003C\/span\u003E\n  \u003Cp class=\u0022font-serif italic\u0022\u003EWaste can be a resource.\r\n\u003C\/p\u003E\n  \u003Cfooter\u003E\n    \u003Ccite class=\u0022not-italic font-normal text-sm text-black\u0022\u003EBerta Gonzalvo, BARBARA\u003C\/cite\u003E\n  \u003C\/footer\u003E\n\u003C\/blockquote\u003E\n\u003C\/p\u003E\u003Cp\u003EThe EU bioeconomy has been expanding for a decade, reaching \u003Ca href=\u0022https:\/\/biconsortium.eu\/sites\/biconsortium.eu\/files\/downloads\/European-Bioeconomy-in-Figures-2008-2019.pdf\u0022\u003E\u20ac2.4 trillion in 2019\u003C\/a\u003E, and has further growth prospects, according to an October 2022 study.\u003C\/p\u003E\u003Cp\u003EIn a sign of the high expectations for bio-based industries, the EU in 2014 established a \u20ac3.7 billion joint undertaking with them to spur research in the field. This was followed in 2022 by a \u003Ca href=\u0022https:\/\/www.cbe.europa.eu\/\u0022\u003E\u20ac2 billion initiative\u003C\/a\u003E with players ranging from farmers to scientists to overcome technical, regulatory and market barriers for bio-based products.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003EThe EU produces around \u003Ca href=\u0022https:\/\/ec.europa.eu\/eurostat\/statistics-explained\/index.php?title=Food_waste_and_food_waste_prevention_-_estimates#Amounts_of_food_waste_at_EU_level\u0022\u003E60 million tonnes of food waste\u003C\/a\u003E and \u003Ca href=\u0022https:\/\/ec.europa.eu\/commission\/presscorner\/detail\/en\/MEMO_18_6\u0022\u003E26 million tonnes of plastic waste\u003C\/a\u003E a year.\u003C\/p\u003E\u003Cp\u003EMaking industrial materials from renewable sources including waste is set to become increasingly important and projects like BARBARA are just the beginning, according to Gonzalvo.\u003C\/p\u003E\u003Cp\u003EWhen BARBARA began in 2017, only one biopolymer was available for 3D printing. The project increased the number of bio-based materials using a combination of industrial biotechnology, nanotechnology and advanced manufacturing technologies.\u003C\/p\u003E\u003Cp\u003EIt came up with new processes for the extraction and use of compounds such as natural dyes, biomordants that fix dyes, antimicrobials and essential oils from pomegranate, lemon, almond shells and corn.\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EDoors and dashboards\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003EBARBARA created eight materials containing pomegranate and lemon pigment, pomegranate biomordants, lemon fragrance and almond shell that could be used instead of existing plastics. The new materials led to different colours, aromas, textures and antimicrobial properties.\u003C\/p\u003E\u003Cp\u003EThe 11 partners also printed prototype door trims and a dashboard fascia for the car industry as well as a mould for truss joints for the construction sector.\u003C\/p\u003E\u003Cp\u003EThe new materials have better mechanical, thermal and even aesthetic properties.\u003C\/p\u003E\u003Cp\u003EAs a result, they can be used to improve the quality of the end material, even adding a colour or fragrance.\u003C\/p\u003E\u003Cp\u003EWhile the project has ended, the participants hope the technology can move forward to the demonstration phase within the next four to five years. That would show the possibilities for large-volume production.\u003C\/p\u003E\u003Cp\u003EWith the global biopolymer industry growing 6% a year and the European sector expanding 30% annually, Gonzalvo said the EU is in a prime position to lead the way.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003E\u2018We are one step closer to a real circular economy,\u2019 she said. \u2018Waste can be a resource and not just waste.\u2019\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EPlastic substitutes\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003EOn the plastics front, the research outlook also looks promising.\u003C\/p\u003E\u003Cp\u003E\u003Cblockquote class=\u0022text-center text-blue font-bold text-2xl w-full lg:w-1\/2 border-2 border-blue p-12 my-8 lg:m-12 lg:-ml-16 float-left\u0022\u003E\n  \u003Cspan class=\u0022text-5xl rotate-180\u0022\u003E\u201c\u003C\/span\u003E\n  \u003Cp class=\u0022font-serif italic\u0022\u003EWe had the opportunity to go one step further and make it more sustainable.\r\n\u003C\/p\u003E\n  \u003Cfooter\u003E\n    \u003Ccite class=\u0022not-italic font-normal text-sm text-black\u0022\u003EAratz Genua, ECOXY\u003C\/cite\u003E\n  \u003C\/footer\u003E\n\u003C\/blockquote\u003E\n\u003C\/p\u003E\u003Cp\u003EIn \u003Ca href=\u0022https:\/\/environment.ec.europa.eu\/system\/files\/2022-12\/COM_2022_682_1_EN_ACT_part1_v4.pdf\u0022\u003EEurope\u003C\/a\u003E, only 14% of plastic waste was recycled domestically in 2020, according to the European Commission. The remaining 86% was incinerated, landfilled, littered or exported, highlighting the need to establish a more sustainable system.\u003C\/p\u003E\u003Cp\u003EWith production of plastics set to increase in the medium term, reducing their environmental footprint is all the more important.\u003C\/p\u003E\u003Cp\u003EThe\u0026nbsp;\u003Ca href=\u0022https:\/\/cordis.europa.eu\/project\/id\/744311\u0022\u003EECOXY\u003C\/a\u003E project, funded through the same public-private partnership as BARBARA, looked for bio-based alternatives to plastics known as \u201cfibre-reinforced thermoset composites,\u201d or FRTCs.\u003C\/p\u003E\u003Cp\u003EWhile FRTCs are light and strong, their green credentials are lacking. Besides being derived from fossil fuels, they can\u2019t be recycled and are often made from toxic materials including an endocrine-disrupting chemical compound called bisphenol A.\u003C\/p\u003E\u003Cp\u003E\u2018Fibre-reinforced composites are being used more and more, so these bio-based composites should be able to substitute them in all the fields where they are used,\u2019 said Aratz Genua, a researcher at CIDETEC, a Spanish institute that coordinated ECOXY.\u003C\/p\u003E\u003Cp\u003E\u003Cfigure role=\u0022group\u0022\u003E\n\u003Cimg alt=\u0022Backseat car panel made from bio-waste. \u00a9 ECOXY project, 2020\u0022 data-entity-type=\u0022file\u0022 data-entity-uuid=\u0022168de38f-48f8-4fb6-bc92-a3dca283012d\u0022 src=\u0022\/sites\/default\/files\/hm\/IMCEUpload\/ecoxy.jpg\u0022\u003E\n\u003Cfigcaption class=\u0022italic mb-4\u0022\u003EBackseat car panel made from bio-waste. \u00a9 ECOXY project, 2020\u003C\/figcaption\u003E\n\u003C\/figure\u003E\n\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EThree Rs\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003EThe project, which ran in parallel with BARBARA, included a consortium of 12 research and industry partners from across Europe.\u003C\/p\u003E\u003Cp\u003EThey took as their starting point materials deemed to comply with the three Rs: recyclable, reshapable and repairable. While these 3R materials had already been patented by CIDETEC, they had a downside.\u003C\/p\u003E\u003Cp\u003E\u2018We had made it more sustainable, but we were still working with products derived from oil and the most commonly used one is derived from bisphenol A,\u2019 said Genua. \u2018We had the opportunity to go one step further and make it more sustainable by using bio-waste to create bio-based FRTCs.\u2019\u003C\/p\u003E\u003Cp\u003EThe consortium looked to lignin, derived from wood and plant fibres. It used\u0026nbsp;bio-based resin from lignin with flax fibres as a reinforcement to manufacture a demonstrator,\u0026nbsp;in this case\u0026nbsp;the\u0026nbsp;backseat\u0026nbsp;panel of a car.\u003C\/p\u003E\u003Cp\u003E\u2018Being able to upscale and manufacture a demonstrator was really good,\u2019 said Genua. \u2018We started with small quantities of materials, and we have shown that these are usable at an intermediate scale.\u2019\u003C\/p\u003E\u003Cp\u003EThe real challenge was to make sure the new material would have comparable properties to the ones currently in use.\u003C\/p\u003E\u003Cp\u003EBio-based resins demonstrated very good properties, equivalent to those derived from fossil fuels, according to Genua. But there is room for improving the strength of the flax fibres.\u003C\/p\u003E\u003Cp\u003E\u003Cstrong\u003EFuture focus\u003C\/strong\u003E\u003C\/p\u003E\u003Cp\u003EFuture research could include exploring the use of bio-based carbon fibres, also extracted from lignin.\u003C\/p\u003E\u003Cp\u003E\u2018We will continue working on the development and optimisation of bio-based 3R resins for different applications,\u2019 Genua said.\u003C\/p\u003E\u003Cp\u003EFor example, the EU-funded \u003Ca href=\u0022https:\/\/cordis.europa.eu\/project\/id\/101057049\u0022\u003EBIO-UPTAKE\u003C\/a\u003E project is working on ceiling panels for the construction industry.\u003C\/p\u003E\u003Cp\u003E\u2018In these cases, not only flax fibre but also bio-based carbon fibre will be used,\u2019 said Genua.\u003C\/p\u003E\u003Cp\u003EIn the short term, the new materials are better for the health of workers handling them during manufacturing.\u003C\/p\u003E\u003Cp\u003EIn the long term, the environment will benefit thanks in no small part to the resulting reduction in waste.\u003C\/p\u003E\u003Cp\u003E\u003Cem\u003EResearch in this article was funded via the Bio-based Industries Joint Undertaking (BBI JU), which in 2022 was followed by the Circular Bio-based Europe Joint Undertaking (CBE JU). 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