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4. Biorefining twin transition : digitalisation for bio-based chemicals/materials - discovery, design and optimisationMatej Žula, Miha Grilc, Andrii Kostyniuk, Giorgio Tofani, Edita Jasiukaityte, Tina Ročnik, Ramesh Kumar Chowdari, Žan Lavrič, Janvit Teržan, Brigita Hočevar, Ana Jakob, Emilija Rakić, Brett Pomeroy, Miša Mojca Cajnko, Filipa A. Vicente, Dana Marinič, Ana Oberlintner, Uroš Novak, Davide Benedetto Tiz, Matej Huš, Blaž Likozar, 2023, izvirni znanstveni članek Objavljeno v DiRROS: 10.01.2024; Ogledov: 499; Prenosov: 226 Celotno besedilo (917,66 KB) Gradivo ima več datotek! Več... |
5. Selective glucose oxidation to glucaric acid using bimetallic catalysts : lattice expansion or electronic structure effect?Žan Lavrič, Janvit Teržan, Ana Kroflič, Janez Zavašnik, Joanna E. Olszówka, Štefan Vajda, Matej Huš, Miha Grilc, Blaž Likozar, 2024, izvirni znanstveni članek Povzetek: Our study presents a comprehensive approach for the selective oxidation of glucose to glucaric acid (GA) by heterogeneous catalysis. We have synthesized and characterized Au/ZrO2, AuCu/ZrO2 and AuPt/ZrO2 catalysts using X-ray diffraction (XRD), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and oxygen pulse chemisorption (OPS) techniques. Combining experimental observations with in-depth density functional theory (DFT) studies, we found that bimetallic catalysts form alloys, which exhibit different characteristics than monometallic counterparts for the given reaction. We performed batch reactions, varying temperature and oxygen pressure, and used the data to construct a predictive microkinetic model. As it turned out, AuPt/ZrO2 showed the highest selectivity, yielding 32 % of GA at 100 °C and 30 barg O2. Our results provide valuable insights for the developing of efficient catalysts and point out the bottlenecks for the oxidation of glucose to GA. Ključne besede: glucaric acid, glucose oxidation, catalyst characterization, density functional theory, microkinetic modelling Objavljeno v DiRROS: 06.12.2023; Ogledov: 482; Prenosov: 218 Celotno besedilo (2,73 MB) Gradivo ima več datotek! Več... |
6. Understanding stability, oligomerization and deactivation during catalytic lignin hydrodeoxygenation by mechanistic reaction micro-kinetics linked with 3D catalyst particle nanotomographyTina Ročnik, Matej Žula, Janvit Teržan, Blaž Likozar, Uroš Maver, Laura Činč Ćurić, Edita Jasiukaityte, Miha Grilc, 2023, izvirni znanstveni članek Objavljeno v DiRROS: 23.06.2023; Ogledov: 494; Prenosov: 253 Celotno besedilo (2,55 MB) Gradivo ima več datotek! Več... |
7. Effects of Zr doping into ceria for the dry reforming of methane over ▫$Ni/CeZrO_2$▫ catalysts ein situ studies with XRD, XAFS, and AP-XPS : in situ studies with XRD, XAFS, and AP-XPSFeng Zhang, Zenghui Liu, Xiaobo Chen, Ning Rui, Luis E. Betancourt, Lili Lin, Wenqian Xu, Cheng-jun Sun, A. M. Milinda Abeykoon, José A. Rodriguez, Janvit Teržan, Kristijan Lorber, Petar Djinović, Sanjaya D. Senanayake, 2020, izvirni znanstveni članek Ključne besede: nickel, ceria, zirconia, ▫$CeZrO_2$▫ solid solution, XRD, XAFS, AP-XPS, dry reforming of methane Objavljeno v DiRROS: 13.03.2023; Ogledov: 731; Prenosov: 459 Celotno besedilo (1,75 MB) Gradivo ima več datotek! Več... |
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