معرفی
Petteri Halli serves as a Visitor (Faculty) in the Department of Chemical and Metallurgical Engineering at Aalto University's School of Chemical Engineering, specializing in hydrometallurgy and corrosion research with a focus on sustainable metal recovery processes.
His academic credentials include:
- Doctor of Science (Tekn. toht.) in Material and Rock Engineering (2020)
- Master of Science (Dipl.ins.) in Material and Rock Engineering (2015)
- Bachelor of Science (Tekn. kand.) in Material and Rock Engineering (2014)
Halli's research centers on advancing circular economy principles in metallurgy through innovative hydrometallurgical techniques. His work spans battery recycling, precious metal recovery, and industrial waste treatment, with particular expertise in electrodeposition-redox replacement (EDRR) methods and leaching optimization for complex waste streams like battery black mass and electric arc furnace dust. He investigates critical parameters such as chloride effects in NMC leaching and aluminum recovery from pharmaceutical blister packs.
Analysis of his recent publications reveals a strong trajectory toward sustainable metallurgical solutions, emphasizing process optimization through regression modeling, life cycle assessment, and electrochemical approaches. His work consistently addresses UN Sustainable Development Goals related to responsible consumption and industrial innovation.
His key scientific recognition includes:
- US Patent for 'Method of recovering Pt or Ag or Pt and Ag from sulfate based metal solutions' (2022)
Halli actively collaborates with Professor Mari Lundström's research group, presenting at international conferences on sustainable metal recovery. His advisory role is evidenced by at least one supervised thesis, though specific student names aren't provided in available records. Current projects focus on optimizing metal recovery from industrial side-streams using electrochemical methods and simulation-based process design.
He contributes to Aalto University's Hydrometallurgy and Corrosion research unit, participating in projects that bridge experimental metallurgy with environmental impact assessment to develop commercially viable recycling technologies for the circular economy.


