Georgios Varvoutis (0000-0003-0643-4443)

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Cluster of Bioeconomy and Environment of Western Macedonia: Kozani, Western Macedonia, GR

2022-09-01 to present | Project Manager (Department of Clean Technologies and Hydrogen)

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Georgios Varvoutis

University of Western Macedonia: Kozani, GR

2022-06-01 to present | Postdoctoral Researcher (Department of Mechanical Engineering)

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Georgios Varvoutis

University of Western Macedonia: Kozani, GR

2022-06 to present | Postdoctoral Researcher (Department of Mechanical Engineering)

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Georgios Varvoutis

University of Western Macedonia: Kozani, Dytiki Makedonia, GR

2018-08 to 2022-05 | Ph.D. candidate (Department of Mechanical Engineering)

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Georgios Varvoutis

Aristotle University of Thessaloniki: Thessaloniki, Kentriki Makedonia, GR

2009-10 to 2015-04 | Diploma in Chemical Engineering (Faculty of Engineering)

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Georgios Varvoutis

Facile preparation of triangular-like polycrystalline ceria as supporting carrier in catalysis exemplified by Ni/CeO2 catalyzed oxidation and hydrogenation reactions

Sustainable Chemistry for the Environment

2025-06 | Journal article

DOI: 10.1016/j.scenv.2025.100243

Contributors: Sofia Stefa; Maria Lykaki; Georgios Varvoutis; Maria Zografaki; Vassilios D. Binas; George E. Marnellos; Michalis Konsolakis

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Assessing the electricity potential from agricultural residues in Western Macedonia, Greece

Renewable and Sustainable Energy Reviews

2025-02-25 | Journal article

DOI: 10.1016/j.rser.2025.115530

Part of ISSN: 1364-0321

Contributors: Athanasios Lampropoulos; Georgios Varvoutis; Costas Athanasiou; George E. Marnellos

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Georgios Varvoutis

Comparative Assessment of First-Row 3d Transition Metals (Ti-Zn) Supported on CeO2 Nanorods for CO2 Hydrogenation

Catalysts

2024-09-11 | Journal article

DOI: 10.3390/catal14090611

Part of ISSN: 2073-4344

Contributors: Maria Lykaki; Sofia Stefa; Georgios Varvoutis; Vassilios D. Binas; George E. Marnellos; M. Konsolakis

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Georgios Varvoutis

State-of-the-art thermocatalytic systems for CH4 and CO production via CO2 hydrogenation: critical comparison, mechanistic considerations and structure-performance insights

Discover Chemical Engineering

2024-06-07 | Journal article

DOI: 10.1007/s43938-024-00048-7

Part of ISSN: 2730-7700

Contributors: Maria Lykaki; Evridiki Mandela; Georgios Varvoutis; Athanasios Lampropoulos; George E. Marnellos; Michalis Konsolakis

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Georgios Varvoutis

Techno-economic assessment of an autothermal poly-generation process involving pyrolysis, gasification and SOFC for olive kernel valorization

International Journal of Hydrogen Energy

2023-12 | Journal article

DOI: 10.1016/j.ijhydene.2023.06.335

Contributors: Athanasios Lampropoulos; Georgios Varvoutis; Evridiki Mandela; Michalis Konsolakis; George E. Marnellos; Dimitris Ipsakis; Costas Athanasiou

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Detailed kinetic analysis and modelling of the dry gasification reaction of olive kernel and lignite coal chars

International Journal of Hydrogen Energy

2023-04 | Journal article

DOI: 10.1016/j.ijhydene.2022.08.246

Contributors: Athanasios Lampropoulos; Georgios Varvoutis; Miguel A. Montes-Morán; J. Angel Menéndez; Michalis Konsolakis; George E. Marnellos

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The Combined Impact of Ni-Based Catalysts and a Binary Carbonate Salts Mixture on the CO2 Gasification Performance of Olive Kernel Biomass Fuel

Catalysts

2023-03-16 | Journal article | Author

DOI: 10.3390/catal13030596

Part of ISSN: 2073-4344

Contributors: Thanasis Lampropoulos; Stamatia A. Karakoulia; Georgios Varvoutis; Stavros Spyridakos; Binas Vassilios; Leila Zouridi; Sofia Stefa; M. Konsolakis; GEORGE MARNELLOS

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Georgios Varvoutis

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Unveiling the Role of In Situ Sulfidation and H2O Excess on H2S Decomposition to Carbon-Free H2 over Cobalt/Ceria Catalysts

Catalysts

2023-02-28 | Journal article

DOI: 10.3390/catal13030504

Contributors: Tzouliana Kraia; Georgios Varvoutis; George E. Marnellos; Michalis Konsolakis

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Fabrication of highly active and stable Ni/CeO2-nanorods wash-coated on ceramic NZP structured catalysts for scaled-up CO2 methanation

Journal of CO2 Utilization

2023-02-13 | Journal article

DOI: 10.1016/j.jcou.2023.102425

Part of ISSN: 2212-9820

Contributors: Georgios Varvoutis; Athanasios Lampropoulos; Paraskevi Oikonomou; Constantina-Dia Andreouli; Vassilis Stathopoulos; Maria Lykaki; George E. Marnellos; Michalis Konsolakis

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Georgios Varvoutis

Recent Advances on Fine-Tuning Engineering Strategies of CeO2-Based Nanostructured Catalysts Exemplified by CO2 Hydrogenation Processes

Catalysts

2023-01-26 | Journal article

DOI: 10.3390/catal13020275

Part of ISSN: 2073-4344

Contributors: Georgios Varvoutis; Maria Lykaki; George E. Marnellos; Michalis Konsolakis

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Georgios Varvoutis

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Preliminary Experimental Results and Modelling Study of Olive Kernel Gasification in a 2 MWth BFB Gasifier

Processes

2022-10-07 | Journal article

DOI: 10.3390/pr10102020

Part of ISSN: 2227-9717

Contributors: Georgios Varvoutis

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Georgios Varvoutis

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Recent Advances on CO2 Mitigation Technologies: On the Role of Hydrogenation Route via Green H2

Energies

2022-06-29 | Journal article

DOI: 10.3390/en15134790

Contributors: Georgios Varvoutis; Athanasios Lampropoulos; Evridiki Mandela; Michalis Konsolakis; George E. Marnellos

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Support-induced modifications on the CO2 hydrogenation performance of Ni/CeO2: The effect of ZnO doping on CeO2 nanorods

Journal of CO2 Utilization

2022-05-17 | Journal article

DOI: 10.1016/j.jcou.2022.102057

Part of ISSN: 2212-9820

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Georgios Varvoutis

Τechno-economic assessment of industrially-captured CO2 upgrade to synthetic natural gas by means of renewable hydrogen

Renewable Energy

2021-12 | Journal article

DOI: 10.1016/j.renene.2021.07.109

ISSN: 0960-1481

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Georgios Varvoutis

Deciphering the role of Ni particle size and nickel-ceria interfacial perimeter in the low-temperature CO2 methanation reaction over remarkably active Ni/CeO2 nanorods

Applied Catalysis B: Environmental

2021-11 | Journal article

DOI: 10.1016/j.apcatb.2021.120401

Contributors: Georgios Varvoutis; Maria Lykaki; Sofia Stefa; Vassilios Binas; George E. Marnellos; Michalis Konsolakis

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Effect of alkali (Cs) doping on the surface chemistry and CO2 hydrogenation performance of CuO/CeO2 catalysts

Journal of CO2 Utilization

2021-02 | Journal article

DOI: 10.1016/j.jcou.2020.101408

Contributors: Georgios Varvoutis; Maria Lykaki; Eleni Papista; Sόnia A.C. Carabineiro; Antonios C. Psarras; Georgios E. Marnellos; Michalis Konsolakis

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Remarkable efficiency of Ni supported on hydrothermally synthesized CeO<inf>2</inf> nanorods for low-temperature CO<inf>2</inf> hydrogenation to methane

Catalysis Communications

2020 | Journal article

DOI: 10.1016/j.catcom.2020.106036

EID:

2-s2.0-85084404597

Part of ISBN:

15667367

Contributors: Varvoutis, G.; Lykaki, M.; Stefa, S.; Papista, E.; Carabineiro, S.A.C.; Marnellos, G.E.; Konsolakis, M.

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Georgios Varvoutis via Scopus - Elsevier

CO2 Hydrogenation over Nanoceria-Supported Transition Metal Catalysts: Role of Ceria Morphology (Nanorods versus Nanocubes) and Active Phase Nature (Co versus Cu)

Nanomaterials

2019-12-06 | Journal article

DOI: 10.3390/nano9121739

Contributors: Michalis Konsolakis; Maria Lykaki; Sofia Stefa; Sόnia A. C. Carabineiro; Georgios Varvoutis; Eleni Papista; Georgios E. Marnellos

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Georgios Varvoutis

https://orcid.org/0000-0003-0643-4443

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Employment (2)

Cluster of Bioeconomy and Environment of Western Macedonia: Kozani, Western Macedonia, GR

University of Western Macedonia: Kozani, GR

Education and qualifications (3)

University of Western Macedonia: Kozani, GR

University of Western Macedonia: Kozani, Dytiki Makedonia, GR

Aristotle University of Thessaloniki: Thessaloniki, Kentriki Makedonia, GR

Works (18)

Facile preparation of triangular-like polycrystalline ceria as supporting carrier in catalysis exemplified by Ni/CeO2 catalyzed oxidation and hydrogenation reactions

Assessing the electricity potential from agricultural residues in Western Macedonia, Greece

Comparative Assessment of First-Row 3d Transition Metals (Ti-Zn) Supported on CeO2 Nanorods for CO2 Hydrogenation

State-of-the-art thermocatalytic systems for CH4 and CO production via CO2 hydrogenation: critical comparison, mechanistic considerations and structure-performance insights

Techno-economic assessment of an autothermal poly-generation process involving pyrolysis, gasification and SOFC for olive kernel valorization

Detailed kinetic analysis and modelling of the dry gasification reaction of olive kernel and lignite coal chars

The Combined Impact of Ni-Based Catalysts and a Binary Carbonate Salts Mixture on the CO2 Gasification Performance of Olive Kernel Biomass Fuel

Unveiling the Role of In Situ Sulfidation and H2O Excess on H2S Decomposition to Carbon-Free H2 over Cobalt/Ceria Catalysts

Fabrication of highly active and stable Ni/CeO2-nanorods wash-coated on ceramic NZP structured catalysts for scaled-up CO2 methanation

Recent Advances on Fine-Tuning Engineering Strategies of CeO2-Based Nanostructured Catalysts Exemplified by CO2 Hydrogenation Processes

Preliminary Experimental Results and Modelling Study of Olive Kernel Gasification in a 2 MWth BFB Gasifier

Recent Advances on CO2 Mitigation Technologies: On the Role of Hydrogenation Route via Green H2

Support-induced modifications on the CO2 hydrogenation performance of Ni/CeO2: The effect of ZnO doping on CeO2 nanorods

Τechno-economic assessment of industrially-captured CO2 upgrade to synthetic natural gas by means of renewable hydrogen

Deciphering the role of Ni particle size and nickel-ceria interfacial perimeter in the low-temperature CO2 methanation reaction over remarkably active Ni/CeO2 nanorods

Effect of alkali (Cs) doping on the surface chemistry and CO2 hydrogenation performance of CuO/CeO2 catalysts

Remarkable efficiency of Ni supported on hydrothermally synthesized CeO<inf>2</inf> nanorods for low-temperature CO<inf>2</inf> hydrogenation to methane

CO2 Hydrogenation over Nanoceria-Supported Transition Metal Catalysts: Role of Ceria Morphology (Nanorods versus Nanocubes) and Active Phase Nature (Co versus Cu)