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This joint installation with Monika and Heinz Schmid, who both run organic farms, is part of a project in which three different agrivoltaic systems are being tested in comparison with a control area. The plant is built over an area of 2600 m2 of raspberries and is expected to produce around 190 MWh of electricity per year in addition to the raspberry yield.
Insolight’s dynamic agrivoltaic solution insolagrin is an agronomic tool designed to protect crops while simultaneously producing solar energy – supporting growers in the transition to a more sustainable and resilient agricultural production. It offers an alternative to protective plastic tunnels and enables consumers to choose energy positive fruit.
Following the construction phase in 2023, the Swiss Federal Research Station Agroscope Conthey and the Bern University of Applied Sciences will conduct research at the site and accompany the project for the next three years.
The pilot plant, which was launched by bioschmid gmbh, is supported by the Swiss Federal Office of Energy, the Canton of Lucerne (Swisslos), the Fondation sur la Croix, the Foundation Valery and other foundations, as well as the system suppliers involved.
This new installation represents a major step towards the energy transition in Switzerland. It shows that scalable innovative solutions to protect crops, and produce food and green energy on the same land are available and brings us closer to realizing the vision set out in Switzerland’s new Climate and Innovation Act that was approved by Swiss citizens on the 18th June 2023.
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Researchers at EPFL found that some types of sugar are particularly well-suited to functionalization reactions. One sugar – xylose – is ideal, and plant residue contains a lot of it – up to 20–30%. This means that by using functionalization reactions, they can produce 300 grams of bioplastic out of one kilogram of corn cobs.
“It must be because I’m a chemist, but I find functionalization reactions fascinating. They involve adding a functional group to a chemical compound in order to give it additional properties, but without changing its base structure. These reactions are fairly easy to perform and consume little energy and other resources. You don’t have to break down complicated chains.”, commented Jeremy Luterbacher from EPFL’s Laboratory of Sustainable and Catalytic Processing.
The process for producing bioplastic from xylose is simple to carry out and it employs materials that are readily available. It doesn’t alter the base xylose molecules, meaning that as the bioplastic degrades, it simply releases the sugar – which is harmless to the environment.
The resulting material is both tough and heat-resistant and could be used in a variety of application. It can be manufactured as a film, as thread for making fabric or fishing nets, or rolled up in spools for use with 3D printers. It can also make polyesters and polyamides such as nylon with excellent properties, sometimes even better than those made from petroleum-based products. Food packaging could be another application, but the material still needs to go through various certification processes.
To bring the bioplastic to market, EPFL need to be able to manufacture it at a competitive cost. This would mean around half the price of existing bioplastics and on par with petroleum-based plastics. But their estimates show that this is possible.
“The leaf I’m showing here illustrates the vast potential for our bioplastic. You can see that it allows for extreme precision for producing objects of all kinds. We’re right at the beginning of our journey and we still have a lot of work ahead of us, both in the research lab and with Bloom Biorenewables, a startup we founded to market the technology coming out of our lab. But that just makes our work all the more exciting!” concluded Jeremy.
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Rethinking the way that packaging materials are produced is key to a sustainable, waste-free future. But some packaging elements are still not recyclable, or are not sorted or collected correctly. This means that they’re still sent to landfill or end up polluting our oceans.
In 2019, Nestlé opened a dedicated Institute of Packaging Sciences in their Research Center in Lausanne to enable them to play a leading role in finding alternatives to single use plastic. As a member of the Integrative Food and Nutrition Center, the Nestlé team was able to connect with EPFL’s Laboratory for Processing of Advanced Composites and the GR-LUD, an algae specialized laboratory at EPFL. This gave them access to specific scientific capabilities that could accelerate their work – and Project BIOPACK was born.
The collaboration would focus on creating life-cycle engineered, bio-based food packaging solutions that would minimise their environmental impact. But that wasn’t all. The project would also consider how these materials would be treated at the end of their lives – something that is key for a sustainable waste-free future. The project aimed to contribute to both organisations’ visions of a zero-waste food sector.
The partners decided that they wanted to adopt a “holistic life-cycle” perspective. This meant moving away from non-renewable and non-recyclable resources and instead concentrating on cost-efficient bio-based materials with reduced environmental footprints.
These materials are typically based on microfibrillated cellulose – MFC, a new form of engineered cellulose – that’s made from renewable biomass sources like microalgae and wood. The materials are designed to be compatible with existing end-of-life valorisation methods.
The collaboration allows both partners to play to their respective strengths: EPFL focuses on the production and disposal of bio-based materials and their characterization, while Nestlé contributes with Life Cycle Assessment studies that take the entire life cycle into consideration. Nestlé also provides inputs for specific case studies related to target markets and product types for which the packaging materials will be designed.
Both stakeholders plan to continue their collaboration to develop a comprehensive understanding of the entire packaging life cycle and their performance in relation to relevant sustainability criteria.
Commenting on the collaboration, Yves Leterrier, senior scientist at EPFL’s Materials Science Institute, said: “Sustainable packaging does not exist, but an approach based on a sustainable product life cycle can help to optimise the net system impact of new packaging solutions.”
Lise Zeboudj, Department Manager, Packaging Materials at the Nestlé Institute of Packaging Sciences, said: “The development of new high performing, sustainable alternative packaging materials is a key part of our waste-free strategy. This requires a fundamental understanding of material structures and performance – which is why we are collaborating with our partners at EPFL.”
Eya Damergi Nicodeme, Posdoc researcher and co-founder of Algaltek added: “We, the research team at GR-LUD led by Prof. Christian Ludwig, have developed a unique culturing technique for algae that yields pure, high-yield microfibrillated cellulose. With a filed patent and a partnership with Nestlé, we aiming to scale this technology and explore the limitless possibilities this algae offers.”
Find out more about EPFL’s Laboratory for Processing of Advanced Composites (LPAC), GR-LUD and Algaltek.
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The Gottlieb Duttweiler Institute (GDI), an independent, forward-looking think tank researching future trends in food, retail and health, publishes its European Food Trends report every two years. The publication identifies current trends, developments and innovations in the entire value network, spots the most important changes in the food system and explores how they affect production, processing, distribution & logistics, retail and gastronomy and consumption behaviour.
This year, the GDI team sat down with a host of European experts, including two Valley partners – Eliana Zamprogna from Yumane Foods and Yannick Gächter from the Cultured Hub – while compiling the report. Here’s a sneak peek into some of the themes that will be making an appearance in the 2023 edition.
Our food systems have been strongly influenced by the changing international environment in the last few years. The pandemic and the war in Ukraine have highlighted the fragility of our international value chains. As a result, food security can no longer be taken for granted and has become a currency of sorts – with countries that can guarantee their own food security at a distinct advantage.
All food system actors need to take responsibility and ownership for a sustainable future, no matter where they are in the value chain. Consumers do have the power to drive change, but this change needs to take place within a system. Securing the support of politicians and setting an appropriate policy framework is vital. Incentives and subsidies need to be aligned with the goals we’re looking to achieve.
Novel foods are classed by law as foods that don’t have a ‘significant history of consumption’ by people in the EU prior to May 1997. There’s a huge need for innovation in this space, but the regulatory environment remains complex. New types of food production also require innovation beyond the food sector alone. Many novel foods, for example, require an extremely high level of energy and a stable power supply to produce, so solutions need to be developed with this in mind.
Many consumers are open to changing their behaviour but their actions are often shaped by intense marketing efforts across multiple channels. Faced with uncertainty, we see some consumers going “back to the known” and making the best of what they have. This “frugal innovation” focuses on the idea that less is more. New ways of using traditional approaches, like fermentation, are also gaining popularity.
Health remains a major driver for consumption decisions. Despite broadly knowing what healthy looks like at a population level, consumers can struggle to understand how to apply this knowledge in their day-to-day lives and may be attracted by solutions with unproven health claims. Before investing in personalised solutions for some, we need to ensure that everyone has access to nutritious, health-promoting food.
Join GDI colleagues as they launch the Trends report at their Third International Food Innovation Conference on June 21. Valley partners can get a 25% discount using the discount code here (Gated page for Valley partners only).
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My name is Nadège de Chambrier and I studied Environmental Engineering at EPFL and ETH Zurich, specialising in wastewater treatment. About 2 years ago I joined forces with my brother David and two other co-founders Kai Udert and Bastian Etter and together we founded VunaNexus AG.
Kai and Bastian had previously been researching how to recycle the nutrients contained in urine for around 15 years with the help of the Eawag (the water research institute of the ETH Domain) and the Bill and Melinda Gates Foundation, so we had a great deal of knowledge and practical research to draw on.
I’ve been working on developing and implementing this urine treatment technology for 5 years now. During the first lockdown, David, who had a background in business, started helping us to build a business case out of it. Then we decided to go ahead and found a company focused on selling the technology.
VunaNexus uses a patented technology to transform human and livestock urine into two valuable products: an authorised NPK fertiliser, Aurin, that is free of all dangerous pollutants and water that can be reused, while drastically reducing ammonia emissions and water pollution.
CO₂ has become “the” topic when it comes to sustainability, but there are many other issues that impact our ecosystem more than global warming – and of which most people are not aware.
If we look at the planetary boundaries, the cycles of nitrogen and phosphorus have been radically changed by humans and this has a devastating impact on the environment. Raising awareness of the multiple problems linked to wastewater and sanitation, and recycling these precious nutrients, as well as trying to change the linear system we’re currently working within thanks to great technology – this is what gets me up in the morning.
It’s not always easy to talk about pee and poo, but people are actually really interested in better understanding the challenges associated with this topic, and appreciate that everyone can contribute in their own way to closing the nutrient cycle.
So far, we’ve bootstrapped the business. But we recently got accepted into a business support program run by the European Space Agency. This will help us install a treatment system at the European Space Agency headquarters in Paris, one at BlueFactory in Fribourg and one in the region of Berlin in the context of the projekt Zirkulierbar.
At the moment, we don’t think that external investment is the right choice to accelerate the adoption of the technology, as we need to make sure the market can absorb the fertiliser we will produce. Over the next two years we aim to prove that our model can scale, that we can resell fertiliser locally and that these treatment plants are financially viable.
We have an ongoing project with Innosuisse that aims to test our technology on animal urine on a larger scale. We have a test reactor that can process up to 3000 litres of urine a day. When it comes to reducing ammonia emissions, this could be a huge step for many farms all over the world. It could also help to tackle micropollutants including antibiotics and other drugs before spreading the manure on fields.
We’re currently new to the ecosystem so we haven’t had the chance to support other Valley partners yet. But we have lots of knowledge and a strong network around wastewater and sustainable fertilisers that we would be more than happy to share!
We’re looking for contacts that would be interested in experimenting with a novel fertiliser, and would love to connect with anyone open to collaborating around wastewater recycling more generally. Please get in touch!
Vuna started as a project in South Africa to tackle two connecting issues that affected decentralised communities: how to treat their wastewater and how to find an economical fertiliser for their fields. The word Vuna means harvest in isiZulu. First there was Vuna GmbH, a company specialised in decentralised sanitation alternatives, and then we created VunaNexus, a sister company.
Connect with Nadège & David on LinkedIn.
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Over the last year, Valley partner Cluster Food & Nutrition has been working to deliver Fribourg’s new strategy for the development of its agri-food sector, powered by a CHF 1 million budget. Throughout 2022, three interdisciplinary teams worked in close collaboration with leading local and regional companies to develop a project relating to each of the strategy’s three priority areas:
Project 1: Optimized nitrogen fertilization
This project focused on optimizing fertilizer quantities by using data analysis to increase yields and reduce environmental impact. Several methods were tested and by using drones equipped with multispectral cameras, the project was able to gather a large amount of data that confirms that these methods were more efficient than traditional approaches.
Project 2: Proteins and additives for a circular economy
This project aimed to develop circular and sustainable models by finding new ways to use local by-products, in particular whey. Project partners developed a technique that enables the production of high value-added, nutritionally beneficial ingredients.
Project 3: Food & Farm Living Lab
This project was designed to actively enable consumers and citizens to drive a more efficient and sustainable food system. Over 500 individuals took part in seven consumer tests conducted throughout 2022 in collaboration with regional companies. This led to the development of targeted methodological tools to rapidly test new products, concepts, or business models.
Commenting on the projects, the President of the Cantonal Government and Minister of Institutions, Agriculture and Forestry, Mr. Didier Castella, stated: “The development of the Grangeneuve-Posieux campus and the AgriCo site in St-Aubin make it possible for Fribourg to support the entire Swiss agri-food sector both in the area of production, as well as in research and training.”
Minister of Education and Cultural Affairs, Ms. Sylvie Bonvin-Sansonnens added: “This strategy provides a real opportunity to link practical knowledge with the expertise of scientific research in order to create a more sustainable and efficient agri-food sector in the future,” while the Minister of Economic Affairs and Vocational Training, Mr. Olivier Curty, remarked that the initial results “are very encouraging and show that thanks to the investments made in recent years, the Canton of Fribourg now has both the tools and the skills needed to become the Swiss leader in this sector.”
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