Summer School


No worries! We’ve got you covered. Even though the Summer School is over, you can still read up on all the content and presentations. Dive into the latest public versions of the presentations and delve into the latest advancements in biofuels and the foundational research that drives the BL2F project.

Below, you’ll find information on various topics presented during the summer school, including “Black liquor and IHTL,” “Biomass and pyrolysis,” “CO2 and fast pyrolysis,” “Methanol and olefins,” and “H2 economy”.


BL2F invited all PhD students and young scientists interested in intermediates to renewable fuels to participate in the project’s Summer School.

Date: 13th – 14th of June 2023

Location: KIT North Campus, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany


  • Black liquor and IHTL
  • Biomass and pyrolysis
  • CO2 and fast pyrolysis
  • Methanol and olefines
  • H2 economy


  • KIT
  • Tampere
  • PSI
  • Valmet
  • VTT



9:30 Registration

10:00 Intermediates to renewable fuels (Prof. Dr. Nicolaus Dahmen, KIT)

10:30 High Temperature Liquefaction: Status and an example of pilot demonstration (D. Sc. Jukka Konttinen, TAU)

11:00 On the fundamentals of supercritical water salt separation and concomitant HTL using black liquor (Dr. David Baudouin, PSI)

11:30 Break

11:50 Lab visits at KIT-IKFT | VERENA (Hydrothermal Gasification), Python (fast pyrolysis), Continuous HDO, Continuous HTL, Mosys (OME synthesis)

13:00 Lunch

14:00 Hydrodeoxygenation (HDO) of bio-oils (Dr. Juha Lehtonen, VTT)

14:30 Oxymethylene ethers (OME) as clean and sustainable diesel substitutes (Marius Drexler, KIT)

15:00 Hydrogen economy and use for transport fuels (D.Sc. Jukka Konttinen, TAU)

15:30 Reactor concepts for synthetic natural gas production from CO2 (Mathias Held, KIT-EBI)

17:00 Dinner – get to know the speakers and your peers!


9:30 Towards liquefaction of sustainable feedstock to upgraded intermediate products (Tooran Khazraie, Valmet)

10:00 Pyrolysis oils and their applications (Frederico Fonseca, KIT)

10:30 Group work on mass and energy balances for different intermediates such as black liquor, biomass, plastics, CO2-FT, methanol

12:00 Lunch

13:00 Group presentations

14:00 Tour to KIT Energy Lab 2.0 – Plant network linking electric, thermal and chemical energy flows as well as new information and communication technologies

16:00 Distinctive aspects of techo-economic analyses of the generation of renewable energy carriers (Paul Heinzmann, Andreas Rudi, KIT-IIP)

16:30 Sustainability and feasibility of the production of bio-oil integrated to Pulp Mill (Tero Joronen, BL2F coordinator, TAU)

17:00 Closing

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