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BioADD 2.0

In a world where environmental issues are increasingly urgent, attention towards the use of biodegradable materials in agriculture and horticulture is also growing. Although the current share of these materials is limited – less than 1% of mulch films are biodegradable – the demand for sustainable alternatives continues to rise. The BioADD project, running from 2020 to 2022, responded to this need with promising results. BioADD 2.0 takes the next step as a follow-up project to address remaining challenges and promoting sustainable innovations, such as functionalizing biochar with urea.

Building on Success

The previous BioADD project focused on developing new biocomposites based on biochar, a carbon-rich, porous material produced from various biomass sources. Biochar has proven benefits for soil health and crop yields and plays a role in carbon sequestration, contributing to the fight against climate change. The project studied different types of biochar produced by two commercial-scale pyrolysis processes in combination with biopolymers.

The results were promising, showing improved biodegradability and enhancements in mechanical properties such as stiffness. These developments are crucial for the broader adoption of biodegradable materials in agriculture and horticulture.

New challenges

Despite the progress that was made, the BioADD project identified new research needs. Industry partners highlighted the necessity for solving dust problems during processing, improving impact resistance, and the need for smaller biochar particles and better dispersion of biochar for use in films. Additionally, an innovative concept emerged: functionalizing biochar with fertilizer that not only increases the utilization efficiency of the fertilizer but also reduces negative environmental effects of nonbiodegradable polymers. BioADD 2.0 is committed to addressing these challenges and advancing the development of commercially viable materials.

Success via a consortium full of expertise

The BioADD 2.0 consortium consists of diverse partners, each contributing their expertise. Avans University of Applied Sciences and Eindhoven University of Technology (TU/e) provide knowledge in biochar and biocomposites, while Aeres University of Applied Sciences focuses on horticulture and agriculture. Industry insights and expertise come from companies like Nettenergy, Charcotec, Betanet, 2Masters, Bato, Oerlemans Plastics, NPSP, Varta, and BB Plant. Sector organizations CompositesNL and SIGN will aid in disseminating information to a broader community and the public. The anticipated developments within BioADD 2.0 will not only support innovation among SME partners but also create concrete business opportunities.

These efforts contribute to transitioning towards a more sustainable society, where biodegradable materials play a significant role in reducing the environmental impact of agriculture and horticulture. Furthermore, the project will demonstrate the potential of collaboration among research institutions, industry, and trade organizations.

Research theme
Date

June 2024 until June 2026

SDGs
Projectleider

Qian Zhou

Associate lector Biobased Resources & Energy T: +31885256660