Olli Dahl is a Professor at Aalto University's Department of Forest Products Technology, specializing in Clean Technologies and Environmental Management. His work focuses on waste valorization, biorefinery processes, and sustainable resource utilization. Key areas include microplastic dynamics in composting systems, biochar applications for heavy metal decontamination, and optimization of mineral processing with recycled water. Research highlights include an international award for biorefinery innovation and groundbreaking studies on nickel recovery in flotation processes. He leads interdisciplinary projects addressing water quality impacts on ore processing and thermochemical conversion of agricultural residues into bioenergy. Dahl's recent work emphasizes closing material loops through circular bioeconomy strategies and advancing sustainable industrial practices. Awards: 2015 International Biorefinery Competition 2nd Place (Ministry of Employment & Economy, Finland) Key Themes: Waste-to-resource systems, industrial water management, bio-based materials, and metallurgical sustainability









