Wet stable cellulose-based foam rods for mitigating a safe fish migration past hydropower stations and dams
| Reference number | |
| Coordinator | Kungliga Tekniska Högskolan - Skolan f kemi bioteknologi & hälsa Inst f fiber- & polymerteknologi |
| Funding from Vinnova | SEK 500 000 |
| Project duration | November 2023 - February 2024 |
| Status | Completed |
| Venture | The strategic innovation programme Bioinnovation |
| Call | BioInnovation Hypothesis testing step 1 - Innovative project with higher risk |
Important results from the project
The purpose was to develop and produce a sufficient number of entirely bio-based foam rods in full-scale dimensions. To achieve this, the material composition was significantly improved, enabling the production and scaling up of these rods using bulk materials from the forestry industry through a more energy- and time-efficient approach. Finally, the foam and rods were tested in a realistic environment at Vattenfall´s test facility with favorable results, enabling further application areas.
Expected long term effects
The improvements in the material´s composition and properties take this project to the next level, thanks to the successful upscaling that yielded 36 full-scale prototypes. This allows the customer to start testing the solution in operational environments. Once the solution is verified, we can start addressing a larger market with a strong willingness to pay. The customer value includes reduced installation costs, easier maintenance, eliminating energy-production losses, and crucial sustainability aspects by utilizing bio-based solutions in aquatic environments.
Approach and implementation
The project was divided into three phases, with the first phase involving the refinement of the recipe and the manufacturing of cellulose-based foams. The aim was to improve the material composition and properties to meet the requirements regarding up-scaling, mechanical properties, and material performance. This was followed by a scaling-up phase where a sufficient number of full-scale cellulose-based foam rods were produced. In the final step, prototypes were tested in a realistic environment to evaluate their ability to function in the intended application.