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Maas, L.; Geurtsen, M.; Nouwt, F.; Schouten, S.; Water, R.V.D.; Dulmen, S.V.; Dalpiaz, F.; Deemter, K. van; Brinkkemper, S. |
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The Care2Report System: Automated Medical Reporting as an Integrated Solution to Reduce Administrative Burden in Healthcare |
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2020 |
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Proceedings of the 53rd Hawaii International Conference on System Sciences (HICSS 2020) |
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17589 |
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Aydemir, F.B.\csak; Dalpiaz, F. |
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Supporting Collaborative Modeling via Natural Language Processing |
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2020 |
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Proceedings of the 39th International Conference on Conceptual Modeling (ER 2020) |
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Acceptance rate: 18.8% |
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refbase @ admin @ AydeDalp2020 |
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17590 |
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de Arquer, F.P.G.; Dinh, C.-T.; Ozden, A.; Wicks, J.; McCallum, C.; Kirmani, A.R.; Nam, D.-H.; Gabardo, C.; Seifitokaldani, A.; Wang, X.; Li, Y.C.; Li, F.; Edwards, J.; Richter, L.J.; Thorpe, S.J.; Sinton, D.; Sargent, E.H. |
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Title |
CO2 Electrolysis to Multicarbon Products at Activities Greater than 1 A Cm-2 |
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2020 |
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Science |
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367 |
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6478 |
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661-666 |
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Electrode architecture reconciles the hydrophobic nature of CO2 with the need for nearby water to reduce it to ethylene. Electrode architecture reconciles the hydrophobic nature of CO2 with the need for nearby water to reduce it to ethylene. |
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American Association for the Advancement of Science |
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0036-8075, 1095-9203 |
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17592 |
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Beisswenger, L. |
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Reaktionstechnische Untersuchungen zur Hydrierung von CO2 zu Fischer-Tropsch-Produkten |
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2020 |
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Bei der Hydrierung von CO2 zu Fischer-Tropsch-Produkten in einem einstufigen Prozess wird die endotherme reverse Wassergas-Shift-Reaktion mit der exothermen Fischer-Tropsch-Reaktion kombiniert. Dadurch kann das entstehende CO direkt weiter reagieren, wodurch das Gleichgewicht der reversen Wassergas-Shift-Reaktion zur Produktseite hin verschoben wird. Im Rahmen dieser Arbeit wurden Vorversuche in einem diskontinuierlich betriebenen Versuchsaufbau durchgeführt. Dabei konnten erste Erkenntnisse bezüglich der Druckabhängigkeit der Reaktion sowie der Produktzusammensetzung in Abhängigkeit von der Reaktionsdauer gewonnen werden. Weiterhin wurde eine Versuchsapparatur mit kontinuierlich betriebenem Reaktor in mehreren Iterationsschritten optimiert, um die Reproduzierbarkeit der Messdaten zu verbessern. Mit Hilfe der optimierten kontinuierlichen Versuchsanlage wurden reaktionstechnische Untersuchungen an unterschiedlichen Katalysatorsystemen durchgeführt. Anhand dieser Versuche gelang es, Zusammenhänge zwischen verschiedenen Reaktionsparametern und den entstehenden Produkten zu erkennen. Auß erdem wurde ein Modellkatalysator auf Basis von anodischem Aluminiumoxid präpariert und kontinuierlichen Performancemessungen unterzogen. Die Charakterisierung der Katalysatoren erfolgte mittels Röntgendiffraktometrie, Argon-Physisorption, optischer Emissionsspektrometrie mit induktiv gekoppeltem Plasma, Rasterelektronenmikroskopie und energiedispersiver Röntgenspektroskopie. |
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Ph.D. thesis |
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Technische Universität |
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Darmstadt |
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refbase @ user @ beisswengerReaktionstechnischeUntersuchungenZur2020 |
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17598 |
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Dieterich, V.; Buttler, A.; Hanel, A.; Spliethoff, H.; Fendt, S. |
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Title |
Power-to-Liquid via Synthesis of Methanol, DME or FischerTropsch-Fuels: A Review |
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2020 |
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Energy & Environmental Science |
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13 |
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3207-3252 |
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A review of power-to-liquid for methanol, DME and FT-fuels focusing on commercial synthesis technologies and current power-to-liquid concepts. , The conversion of H 2 and CO 2 to liquid fuels via Power-to-Liquid (PtL) processes is gaining attention. With their higher energy densities compared to gases, the use of synthetic liquid fuels is particularly interesting in hard-to-abate sectors for which decarbonisation is difficult. However, PtL poses new challenges for the synthesis: away from syngas-based, continuously run, large-scale plants towards more flexible, small-scale concepts with direct CO 2 -utilisation. This review provides an overview of state of the art synthesis technologies as well as current developments and pilot plants for the most prominent PtL routes for methanol, DME and Fischer Tropsch-fuels. It should serve as a benchmark for future concepts, guide researchers in their process development and allow a technological evaluation of alternative reactor designs. In the case of power-to-methanol and power-to-FT-fuels, several pilot plants have been realised and the first commercial scale plants are planned or already in operation. In comparison power-to-DME is much less investigated and in an earlier stage of development. For methanol the direct CO 2 hydrogenation offers advantages through less by-product formation and lower heat development. However, increased water formation and lower equilibrium conversion necessitate new catalysts and reactor designs. While DME synthesis offers benefits with regards to energy efficiency, operational experience from laboratory tests and pilot plants is still missing. Furthermore, four major process routes for power-to-DME are possible, requiring additional research to determine the optimal concept. In the case of Fischer Tropsch synthesis, catalysts for direct CO 2 utilisation are still in an early stage. Consequently, todays Fischer Tropsch-based PtL requires a shift to syngas, benefiting from advances in co-electrolysis and reverse water-gas shift reactor design. |
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1754-5692, 1754-5706 |
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