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Department of Chemical and Metallurgical Engineering

Process Systems Engineering

The Process Systems Engineering group, led by Prof. Iiro Harjunkoski combines elements from Chemical Engineering, Operations Research and Computer Science in solving problems related to planning and scheduling optimization of production processes and related supply chains. The integration of process and energy systems considering sustainability and strengthening circular economy are of special interest.
PSE covers many research topics and objectives under the "optimization umbrella"

The group of Process Systems Engineering (PSE) is working on classical topics such as planning and scheduling, supply chain optimization and mathematical optimization of chemical processes and related operational problems with a special attention to energy topics. Special fields of focus are:

  1. Process electrification
  2. Sustainable supply chains
  3. Hybrid methods for optimizing large-scale problems

Other topics of interest are waste supply chain management, application of mixed integer linear and non-linear programming methods, and extending the PSE methods to new applications to improve sustainability with simultaneous focus and profitability and operability.

Research team members:

Events & Conferences

Here we list activities that the group members are participating at, e.g. conference presentations

Latest publications:

Teemu J. Ikonen, Keijo Heljanko, Iiro Harjunkoski 2025 Optimization and Engineering

Teemu J. Ikonen, Boeun Kim, Christos T. Maravelias, Iiro Harjunkoski 2025 Industrial and Engineering Chemistry Research

Otacilio B.L. Neto, Michela Mulas, Francesco Corona 2025 IEEE Transactions on Automatic Control

Prodromos Daoutidis, Jay H. Lee, Srinivas Rangarajan, Leo Chiang, Bhushan Gopaluni, Artur M. Schweidtmann, Iiro Harjunkoski, Mehmet Mercangöz, Ali Mesbah, Fani Boukouvala, Fernando V. Lima, Antonio del Rio Chanona, Christos Georgakis 2024 Computers and Chemical Engineering

Teemu Ikonen, Dongho Han, Jay H. Lee, Iiro Harjunkoski 2023 33rd European Symposium on Computer Aided Process Engineering

Teemu J. Ikonen, Francesco Corona, Iiro Harjunkoski 2023 IEEE Transactions on Reliability

Teemu J. Ikonen, Dongho Han, Jay H. Lee, Iiro Harjunkoski 2023 Computers and Chemical Engineering

Iiro Harjunkoski, Teemu Ikonen 2022 14th International Symposium on Process Systems Engineering

Teemu Ikonen, Keijo Heljanko, Iiro Harjunkoski 2022 14th International Symposium on Process Systems Engineering

Teemu Ikonen, Keijo Heljanko, Iiro Harjunkoski 2022 AIChE Journal
More information on our research in the Aalto research portal.

Related content:

Iiro Harjunkoski

Iiro Harjunkoski has been appointed as Full Professor at the Department of Chemical and Metallurgical Engineering

Iiro Harjunkoski has been appointed as Full Professor position at the Department of Chemical and Metallurgical Engineering as of 1 September 2024. The field of the professorship is Process Systems Engineering.

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Iiro Harjunkoski

Professorship strengthens the cooperation of ABB and Aalto in Industrial Internet solutions

Dr. Iiro Harjunkoski has been appointed Adjunt Professor at the School of Chemical Engineering.

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