Click on photos to enlarge.
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With Thanos Panagiotopoulos during the reception for celebrating his 65th birthday. (Boston MA, USA November 2025)
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After the MSc defence of Nikos Tzitzikopoulos. People in the photo from left to right: Nikos, Otto, Mahinder Ramind, Emanuele Zanetti, and Bowei Huang. (Delft, October 2025)
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From the MSc defence of Anneke Guluma. People in the photo from left to right: Alexandros Vasileiadis, Anneke, Anna Felden, and Otto. (Delft, July 2025)
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Yet a brand new engineer! Declan Wee Hong Xiang (in the middle). Co-supervised by Jelle Lagerweij (on the left). (Delft, July 2025)
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Very happy to have shared a few updates about our work on PFAS capture using novel adsorbents at the Nanomedicine & Health Tech Symposium organized by Pro2Tech (Delft, July 2025)
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Jordi Vlak defended his MSc and graduated with 9! People in the photo from left to right: Luis Cutz, Ahmadreza Rahbari, Jordi and Otto. (Delft, July 2025)
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Campusrun 2025 ~10 kilometer. This year slower (~53') but with a good company of friends and colleagues (Delft, June 2025)
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PhD defence of Parsa Habibi. Committee members: Profs. Michiel Kreutzer, Maarten van der Elst, Doros Theodorou, Biplab Sanyal, and Mahinder Ramdin (reserve member), Thijs Vlugt, and Poulumi Dey. (Delft, March 2025)
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After Menno's succesful MSc thesis defense. People from left to right: Dakar Schlemper, Tim Nijssen, Menno Steverink, Mahinder Ramdin, and Otto. (Delft, February 2025)
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Yet another engineer is made! Timman van Oeveren's succesfully defended his MSc on LCA of H2 liquifaction. People from left to right: Joost Vogtlander , Otto, Mahinder Ramdin, and Timman. (Delft, December 2024)
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Last week of Fengyi Mi in the office (Delft, October 2024)
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Another engineer was made! Dimitris Mintsis graduated with a grade of 9. People from left to right: Otto, Burak Eral, Dimitris, and Ahmadreza Rahbari. (Delft, October 2024)
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With Mert Polat after his PhD defence! (Delft, September 2024)
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It was our great pleasure and honour to host the 28th edition of the historic Thermodynamics conference in Delft. Many thanks to all the 140 participants for making this a wonderful event, to the sponsors for the support, and Royal Society of Chemistry for the trust. (Delft, 4-6 September 2024)
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MSc graduation of Debdutta Chatterjee with Cum Laude!!! People from left to right: Lindert van Biert, Otto, Debdutta, Mahinder Ramdin, and Tim Nijssen. (Delft, July 2024)
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With the whole Engineering Thermodynamics group at glow golf. (Schiedam, June 2024)
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Who said that designing CO2 capture systems cannot also be fun? Here at the Gooische bierbrouwerij with our partners from BrewRight. (Hilversum, June 2024)
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With Remco Hartkamp after finishing the Campusrun 2024 10 kilometer run. My time: 50:46 (Delft, June 2024)
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MSc graduation of Hugo van Leeuwen. People from left to right: Poulumi Dey, Hugo, Otto, Peter van den Broeke (TATASteel) (Delft, April 2024)
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With Lili Ma after her successful PhD defense. (TU Deflt, April 2024)
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With Tim Nijssen in Kennedy Space Center (Merritt Island, FL, USA, November 2023)
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From our visit at TotalEnergies headquarters. People from left to right: Otto, Thijs Vlugt, Mert Polat, Frédérick de Meyer, Céline Houriez (Paris, France, September 2023)
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MSc graduation of Vladimir Jelle Lagerweij. People from left to right: Thijs Vlugt, Parsa Habibi, Jelle, Riccardo Taormina (CiTG), and Otto (Delft, August 2023)
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MSc graduation of Jose Antonio Gonzalez Morales. People from left to right: Poulumi Dey, Otto, Jose, and Carey Walters (Delft, August 2023)
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The traditional "Greek photo" at the PPEPPD 2023 conference. People from left to right: Evangelos Drougkas (DTU) Georgios Kontogeorgis (DTU), Eirini Karakatsani (Topsoe), Thanos Panagiotopoulos (Princeton), Otto (TU Delft), Peter Englezos (UBC), Ioannis Economou (TAMUQ). (La Pineda, Spain, May 2023)
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Otto receiving the Young Researcher Award at the PPEPPD 2024 conference (La Pineda, Spain, May 2023)
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With Carlos Vega at Universidad Complutense Madrid (Madrid, Spain, May 2023)
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Last day of Bin Fang in the office (Delft, February 2023)
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Group lunch before Christmas. People from left to right: Otto, Jose Antoniof Gonzalez Morales, Bin Fang, Lili Ma, Parsa Habibi, and Mert Polat (Delft, December 2022)
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MSc graduation of Casper van der Geest (Delft, December 2022)
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Officially announcing that our group will organize the next Thermodynamics conference in TU Delft (Bath, UK, September 2022)
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At the Roman Baths during the Thermodynamics 2022 conference in Bath. People from left to right: Ioannis Economou, Georgios Kontogeorgis, Chrysa Economou, Nefeli Novak, Otto, and Parsa Habibi (Bath, UK, September 2022)
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MSc graduation of Ke Xu (TU Delft, July 2022)
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PhD defence of Máté Erdös (TU Delft, June 2022)
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Making vanilla ice cream together with Thijs Vlugt at the farewell event of our dean Theun Baller. Recipe: 1 lt of milk, 1 lt of cream, 350 g of sugar, 0.5 bottle of vanilla extract, and ...liquid nitrogen. (TU Delft, June 2022)
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MSc graduation of Prateek Jain (TU Delft, June 2022)
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PhD Defence of Hirad Salehi (TU Delft, June 2022)
Cinque Terre
Ice cream afternoon for the group! People from left to right: Ke Xu, Lili Ma, Mert Polat, Parsa Habibi, Casper van der Geest, Prateek Jain, Poulumi Dey. Front row: Seyed Jamali, Otto, and Alexandros (Delft, May 2022)
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From our visit to Porelab/NTNU. People from left to right: Ke Xu, Otto, Parsa Habibi, Mert Polat, Bin Fang (Trondheim, Norway, April 2022)
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Oostport, Delft (Delft, January 2022)
Northern Lights
With Mert Polat and Thijs Vlugt from our visit at CTP MINES ParisTech (Fountainbleu, France, Dec 2021)
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MSc gratuation of Kunal Mavani (TU Delft, July 2021)
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PhD Defence of Noura Dawass (TU Delft, June 2021)
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From our visit to TAMUQ: In Souq Waqif with Thijs Vlugt and Noura Dawass (Doha, Qatar, November 2019)
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With Peter van den Broeke under the Acropolis (Athens, Greece, July 2019)
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Lunch during the Thermodynamics 2019 conference. People from left to right: Ioannis Tsimpanogiannis, Ioannis Economou, Claire McCabe, Peter Cummings, Amparo Galindo, Chrisa Economou, Otto, Ilias Nikolaidis (Punta Umbria, Spain, June 2019)
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With Thijs Vlugt outside Notre Dame a few days before the fire broke out (Paris, France, April 2019)
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From our visit to Porelab/NTNU. People from left to right: Otto, Signe Kjelstrup, Thijs Vlugt, Michael Rauter, Dick Bedeaux, Olav Galteland, Bjørn Hafskjold (Trondheim, Norway, March 2019)
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With Keichi Kuboyama and Noura Dawass from our visit to Porelab/NTNU. (Trondheim, Norway, March 2019)
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With Max Döpke (left) and Máté Erdös (right) from our visit to UCL (London, UK, September 2018)
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Outside the P&E buidling experiencing rare weather phenomena! (TU Delft, December 2017)
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MSc gratuation of Zsolt Csaszar (TU Delft, October 2017)
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From our visit to Universidad Pablo de Olavide. People from left to right: Otto, Remco Hartkamp, Christos Bardas, Hirad Salehi, Seyed Jamali (Sevilla, Spain, October 2017)
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At the ESAT 2017 conference in Scotland (Edinburgh, UK, September 2017)
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With Máté Erdös (left) and Reza Rahbari (right) during the outing of Process & Energy department at the beach (Kijkduin, The Hague, June 2017)
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At the Indiana dunes state park with lake Michigan in the background (Indiana, USA, June 2016)
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At the TAMUQ campus with (from left to rigth) Ioannis Tsimpanogiannis, Panagiotis Krokidas, and Nikos Diamantonis (Doha, Qatar, March 2016)
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At the ESAT 2015 conference in Greece. People from left to right: Marianna Yiannourakou, Ioannis Tsimpanogiannis, Georgios Boulougouris, Otto, Ilias Nikolaidis, Vasilis Michalis, Zoi Makrodimitri, Loukas Peristeras, Ioannis Economou, and Niki Vergadou (Athens, Greece, June 2015)
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AZP group dinner. People from left to right: Mike Howard, Joey Vella, Arash Nikoubashman, AZP, Mirjana Zoric, Nate Mahynski, Zoltan Mester, Andrew Santos, Kevin Daly, Gustavo Orozco, Otto (Princeton NJ, Usa, June 2014)
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Playing basketball with colleagues Zoltan Mester and Andrew Santos (Princeton NJ, Usa, May 2014)
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An afternoon at the Sandia Peak during the LAMMPS Users' Workshop and Symposium (Albuquerque NM, USA, September 2013)
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Thermodynamics 2013 conference dinner at Manchester's city hall with Ioannis Tsimpanogiannis (Manchester, UK, September 2013)

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