Publications in conference proceedings

"Catalytic performance and stability of Ru on Ce-based Aminoclay carriers for Sabatier reaction". A. Kaloudi, C. Drosou, K. Spyrou, P. Zygouri,  I. V. Yentekakis, D. P. Gournis. XXXVII (37^th) Panhellenic Conference on Solid State Physics & Materials Science, 17-20 September 2023, Thessaloniki

"Overview of recent efforts to promote dry methane reforming with bimetallic catalysts containing nickel and neighboring transition metals". G. Artemakis, E. Nikolaraki, P. Panagiotopoulou, I. Yentekakis. 16^th Panhellenic Symposium of Catalysis, Chania, October 20-22, 2022.

A comparative study of the CO₂ methanation efficiency of dispersed Rh, Ru and Ir nanoparticles: Effect of metal nature and supporting material . Georgia Botzolaki, Anatoli Rontogianni, Grammatiki Goula, Ersi Nikolaraki, Sotiris Fanourgiakis, Ioannis V. Yentekakis. 9th IUPAC International Conference on Green Chemistry (9th ICGC), Athens 5-9 September 2022

Catalyst nanoparticles stabilization and/or redispersion: A new anti-sintering strategy based on the effect of the O^δ- electric double layer account of metal-support interactions .I.V. Yentekakis. 9th IUPAC International Conference on Green Chemistry (9th ICGC), Athens 5-9 September 2022

EFFECT OF THE ADDITION OF Mg2+ AND La3+ ON THE PHYSICOCHEMICAL PROPERTIES AND PERFORMANCE OF THE Li/CEO2 CATALYST FOR THE CH4 OXIDATIVE COUPLING REACTION .(in Greek) G. Siakavelas, N. D. Charisiou, A. Latsiu, M.Patakoura, V. Latsios, I. Getekakis, M. A. Goula. 13th Panhellenic Scientific Conference on Chemical Engineering, June 2-4, 2022, Patras

STUDY OF MONO- AND BI-METALLIC NANOSTRUCTURED CATALYST Ru-Ni/SBA15 IN THE HYDROGENATION OF CO2 TO CH4 .(in Greek)G. Botzolaki , E. Nikolaraki , A. Rontogianni , N. Halbes , P. Zygouri , N. Harisiou , M.A. Goula, M.A. Karakassidis, D. Gournis, I. Gentekakis. 13th Panhellenic Scientific Conference of Chemical Engineering, June 2-4, 2022, Patras

CATALYTIC OXIDATION OF CO UNDER EXCESS O2 CONDITIONS ON DISPERSED Ir NANOPARTICLES ON MIXED OXIDE SUPPORTS Al2O3-CexZr1-xO2.(in Greek) Drosou K., Fountouli T., Artemakis G., O. Giata, Stratakis A., Harisiou N., Goula M., Gentekakis I. 13th Panhellenic Scientific Conference on Chemical Engineering, June 2-4, 2022, Patras

ACTIVITY AND THERMAL STABILITY OF Ir/La1-xSrxMnO3 CATALYSTS IN THE OXIDATION OF CO UNDER EXCESS O2 CONDITIONS.(in Greek) Drosou K., Stratakis A., Nikolaraki E., Fundoulis T., Nikolaou V., Koilia E., Artemakis G., Matsouka H., Nalbandian L., Zaspalis V., Harisiou N., Goula M., Gentekakis I. 13th Panhellenic Chemical Engineering Scientific Conference, June 2-4, 2022, Patras

 CATALYTIC OXIDATION OF CH4 UNDER EXCESS O2 CONDITIONS ON Ir/La1-xSrxMnO3 CATALYSTS.(in Greek) Drossou K., Georgakopoulou T., Fanourgiakis S., Nikolaraki E., Artemakis G., Stratakis A., Matsouka H., Nalbandian L., Zaspalis V., Harisiou N., Goula M., Gentekakis I. 13th Panhellenic Scientific Chemical Engineering Conference, June 2-4, 2022, Patras

 "Effect of support on the activity, selectivity and stability of supported Ir nanoparticles during dry methane reforming".(in Greek) E. Nikolaraki, G. Goula, P. Panagiotopoulou, K. Koussi, G. Kyriakou, D. Kontaridis, R.M. Lambert, I. Gentekakis. 13th Panhellenic Scientific Conference of Chemical Engineering, Patras, June 2-4, 2022

 "Dry Reforming of Methane  for Hydrogen Production on Supported Metal Catalysts: Effect of Nature of Metal and Support". (in Greek) A. Androulakis, I. Gentekakis, P. Panagiotopoulou. 13th Panhellenic Scientific Conference of Chemical Engineering, Patras, June 2-4, 2022

Renewable CH4 production via CO2 hydrogenation over mono- and bi-metallic Ru-Ni/MCM-41 catalysts. A. Rontogianni , Ν. Chalmpes , E. Nikolaraki , G. Botzolaki , G. Goula , P. Zygouri , N.D. Charisiou, M.A. Goula, D. Moschovas , A. Avgeropoulos , M.Α. Karakassides, D. Gournis, I.V. Yentekakis 12o International Conference of Hydrogen Production, ICH2P  Italy 2021   

 Bibliography review on the use of perovskites in the process of selective catalytic reduction of NO using CO, H2 and HC as reduction agents, Theodoridis G.I., Charisiou N.D., Yentekakis I.V., Goula M.A. 1o Online Conference of New Scientists "Mineral Resources-Environment-Chemical Engineering", Kozani, 2021

Catalysts  Ir supported on mixed oxides Al2O3-CexZr1-xO2 for CO oxidation: Effect of support nature and preparation method,Drosou C., Fountouli T.V., Charisiou N.D., Goula M.A., Yentekakis I.V.,   1o Online Conference of New Scientists "Mineral Resources-Environment-Chemical Engineering", Kozani, 2021

Selective catalytic reduction by H2 and C3H6 in presence of O2 using 1% Ir / ACZ catalysts to reduce NO emissions of combustion processes,Theodoridis G.I., Charisiou N.D., Yentekakis I.V., Goula M.A., 1o Online Conference of New Scientists "Mineral Resources-Environment-Chemical Engineering", Kozani, 2021

 CO abatement via Ir-based catalysts: effect of the support nature and preparation method on catalytic activity and stability,Drosou C., Fountouli T.V., Charisiou N.D., Goula M.A., Yentekakis I.V., 17th International Conference on Environmental Science and Technology, CEST, 2021, Athens

 CO oxidation on supported iridium nanoparticles under excess O2 conditions: study of rate hysterisis phenomena,Drosou C., Stratakis A., Fountouli T.V., Artemakis G., Charisiou N.D.,Goula M.A.,Yentekakis I.V.,, 7th International Conference - Industrial and Hazardous Waste Management, CRETE 2021

 Activity, Stability and limit cycles behavior of CO oxidation over Ir/La1-xSrxMnO3 - perovskite catalysts,Drosou C., Stratakis A., Fountouli T.V., Nikolaou V., Matsouka C., Nalbandian L., Zaspalis V., Charisiou N.D., Goula M.A.,Yentekakis I.V., 7th International Conference - Industrial and Hazardous Waste Management, CRETE 2021

 H2 and/or C3H6 assisted selective catalytic reduction of NOx over Ir/ACZ catalysts, Theodoridis G.I., Charisiou N.D., Tsiotsias A.I., Drosou C., Yentekakis I.V., Goula M.A.,7th International Conference - Industrial and Hazardous Waste Management, CRETE 2021

An overview of recent advances in catalytic decomposition of N2O on noble metal and metal oxide catalysts,Fountouli T.V., Drosou C., Artemakis G., Charisiou N.D., Goula M.A., Yentekakis I.V.,  7th International Conference - Industrial and Hazardous Waste Management, CRETE 2021 

Oxidative coupling of methane to higher hydrocarbons in the presence of Li/MgO-CeO2 catalyst. Effect of the addition of Mg 2+ and Li+ .Siakavelas GI, Harisiou ND, Gentekakis G., Polychronopoulou K., Goula M., 1st Online Conference of Young Scientists - Mineral Resources Environment-Chemical Engineering, Kozani, February 26-28, 2021.

Adsorption of hydrogen sulfide using a commercial molecular sieve (zeolite) in order to remove it from gas streams. Georgiadis A.G., Harisiou N.D., Stavrou S., Gentekakis G., Goula M.A., 1st Online Conference of Young Scientists - Mineral Resources-Environment-Chemical Engineering, Kozani, February 26-28, 2021.

 Removal of hydrogen sulphide using adsorbent materials from industrial gas streams. Literature review. Georgiadis A.G., Harisiou N.D., Stavrou S., Gentekakis G., Goula M.A., 1st Online Conference of Young Scientists - Mineral Resources-Environment-Chemical Engineering, Kozani, February 26-28, 2021.

SUPPORT-INDUCED EFFECTS ON THE IRIDIUM NANOPARTICLES ACTIVITY, SELECTIVITY AND STABILITY PERFORMANCE UNDER THE CO2 REFORMING OF METHANE REACTION . Ioannis V. Yentekakis, Georgios Kyriakou, Richard M. Lambert, Paraskevi Panagiotopoulou, Kalliopi Kousi, Dimitris I. Kondarides, Grammatiki Goula.. 12th International Conference on Hydrogen Production (ICH2P-2021 – On-line conference) September 19-23, 2021

The effect of Fe promotion in Ni-based catalysts for the methanation of CO2. Tsiotsias A.I., Charisiou N.D., Yentekakis I.V., Goula M.A., EUBCE2021 (29th European Biomass Conference and Exhibition), Marseille, France, April 26-29, 2021.

The effect of lithium on the activity and selectivity of undoped and Sm-doped CeO2 catalysts in oxidative coupling of bio-methane to C2+ hydrocarbons. Siakavelas G.I., Charisiou N.D., Yentekakis I.V., Polychronopoulou K., Goula M.A., EUBCE2021 (29th European Biomass Conference and Exhibition), Marseille, France, April 26-29, 2021.

Remarkable activity, selectivity, and stability of innovative Ni catalysts for the CO2 methanation process at low reaction temperature. Siakavelas G.I., Charisiou N.D., Yentekakis I.V., Polychronopoulou K., Goula M.A., EUBCE2021 (29th European Biomass Conference and Exhibition), Marseille, France, April 26-29, 2021.

Siakavelas G.I., Charisiou N.D., Yentekakis I.V., Polychronopoulou K., Goula M.A., Oxidative coupling of methane reaction on Li/Mg-CeO2 catalysts. CHISA2020 (24th International Congress of Chemical and Process Engineering), Virtual, March 15-18, 2021.

Dynamic Adsorption – Desorption Measurements of a commercial molecular sieve for the separation of C2H4, C2H6, CO2, CO and CH4. Siakavelas G.I., Georgiadis A.G., Charisiou N.D., Yentekakis I.V., Goula M.A., CHISA2020 (24th International Congress of Chemical and Process Engineering), Virtual, March 15-18, 2021.

An equilibrium and kinetic study based on Hydrogen Sulfide adsorption tests using an Industrial Zeolite. Georgiadis A.G., Charisiou N.D., Yentekakis I.V., Goula M.A., CHISA2020 (24th International Congress of Chemical and Process Engineering), Virtual, March 15-18, 2021.

“Stabilization and/or redispersion of catalyst nano-particles by means of metal-support interactions. Interpretation via a novel mechanistic model” I.V. Yentekakis, G. Goula Proc. 12th Panhellenic Scientific Congress of Chemical Engineering, Athens, Greece 29-31 May 2019.

Capture and methanation of CO2 using dual-function materials (DFMs). Tsiotsias A.I., Charisiou N.D., Yentekakis I.V., Goula M.A. 1 st International Electronic Conference on Catalysis Sciences, November 10-30, 2020.

Removal of Hydrogen sulfide (H2S) using MOFs: A review of the latest developments. Georgiadis A.G., Charisiou N.D., Yentekakis I.V., Goula M.A. 1 st International Electronic Conference on Catalysis Sciences, November 10-30, 2020.

“CO2 methanation by H2 on Rh nanoparticles dispersed on supports with different values of lattice oxygen ion lability” G. Botzolaki, G. Goula, A. Rontogianni, E. Nikolaraki, N. Chalmpes, P. Zigouri, D. Gournis, M.A. Karakassides, I.V. Yentekakis Proc. 12th Panhellenic Scientific Congress of Chemical Engineering, Athens, Greece 29-31 May 2019.

“Effect of lattice oxygen ion lability of the support on the oxidative state and catalytic performance of Rh nanoparticles under dry reforming of biogas reaction” G. Goula, G. Botzolaki, G. Artemakis, I Betsi-Argyropoulou, M. Hatzisymeon, K. Kousi, D. Kondarides, G. Kyriakopu, I.V. Yentekakis Proc. 12th Panhellenic Scientific Congress of Chemical Engineering, Athens, Greece 29-31 May 2019.

“GRAPHENE/CYTOCHROME C HYBRID THIN FILMS PREPARED BY A MODIFIED LANGMUIR-SCHAEFER METHOD” N. Chalmpes, M. Patila, K. Spyrou, Ch. Gioti, A. Kouloumpis, K.C. Vasilopoulos, Ch. Alatzoglou, I.V. Yentekakis, M. A Karakassides, H. Stamatis, P. Rudolf, D. Gournis Proc. 12th Panhellenic Scientific Congress of Chemical Engineering, Athens, Greece 29-31 May 2019.

“Effect of oxygen lability of the support on the catalytic activity and selectivity of supported Rh catalysts under the CO2 hydrogenation reaction towards CH4 production” G. Botzolaki, G. Goula, E. Nikolaraki, M. Goula, D. Gournis, I.V. Yentekakis 15th Panhellenic Catalysis Symposium, Ioannina, Greece, Book of Abstracts, pp. 117, 2018.

“Investigating the deactivation due to carbon deposition of CeO2 or La2O3 modified Ni/ZrO2 catalysts during the dry reforming of biogas” G.I. Siakavelas, N.D. Charisiou, L. Tzounis, I.V. Yentekakis, M.A. Goula 15th Panhellenic Catalysis Symposium, Ioannina, Greece, Book of Abstarcts, pp. 26, 2018.

 Investigation of deactivation by carbon deposition of CeO2 or La2O3 promoted Ni/ZrO2 catalysts during dry biogas reforming. Siakavelas G.I., Harisiou N.D., Tzounis L., Gentekakis I., Goula M.A., 15th Panhellenic Catalysis Symposium, Ioannina, October 18-20, 2018

“Ionically conducting materials as effective catalyst supports with potential implementations on catalytic systems that play a critical role in environmental protection” Invited Plenary lecture. I.V. Yentekakis, 6 th International Conference on Environmental Chemistry and Engineering, July 24-25, 2017, Rome, Italy

“Structural investigation of carbon morphology on Ni/Lanthanum-Zirconium oxide catalysts used for the biogas dry reforming reaction” I.Tsiaoussis, N.D. Charisiou, M.A. Goula, L.Tzounis, I.V. Yentekakis, Bruno Domenichini, 14th International Conference on Nanosciences & Nanotechnologies (NN17), 4-7 July 2017, Thessaloniki, Gr.

Effect of sintering temperature on the N2O decomposition catalytic behaviour of Ir/Al2O3 catalysts. E. Pachatouridou, E.F. Iliopoulou, M. Konsolakis, I.V. Yentekakis 11th Panhellenic Scientific Symposium of Chemical Engineering, 25-27 May 2017, Thessaloniki, Greece.

Structural investigation of carbon morphology on Ni/Cerium-Zirconium oxide catalysts used for the biogas dry reforming reaction. Tsiaoussis I., Charisiou N.D., Goula M.A., Tzounis L., Yentekakis I.V., Vourlias G., Chassagnon R., Domenichini B., AEMC2017 (European Advanced Materials Congress), Stockholm, Sweden, August 22-24, 2017.

Hydrogen rich mixtures via the dry reforming of biogas over La2O3-modified Ni/Al2O3 catalysts: Insights into the formation of carbon. Charisiou N.D., Papageridis K.N., Stavrou S., Tzounis L., Yentekakis I.V., Goula M.A., 3 rd International Conference on Hydrogen Energy, Guilford Surrey, England, September 11-13, 2017.

 Stability study of CeO2-promoted Ni/Al2O3 catalysts in dry reforming of biogas reaction for syngas production. Papapantelidis G., Siakavelas G., Harisiou N.D., Avraam D.G., Iordanidis A., Gentekakis I., Goula M.A., 11th Panhellenic Scientific Conference on Chemical Engineering, Thessaloniki, May 25-27, 2017.

 Production of syngas through dry reforming of biogas in the presence of Ni/ZrO2 catalysts promoted with La2O3 or CeO2. Goula M.A., Siakavelas G.I., Harisiou N.D., Papageridis K.N., Avraam D.G., Panagiotopoulou P., Gentekakis I., 14th Panhellenic Catalysis Symposium, Patras, October 13-15, 2016 .

An experimental and theoretical investigation of the biogas dry reforming reaction over Ni supported on modified with CeO2 or La2O3 zirconia catalysts. Goula M.A., Charisiou N.D., Siakavelas G., Papageridis K.N., Avraam D.G., Baklavaridis A., Tzounis L., Panagiotopoulou P., Yentekakis I.V., CCESC2016 (3rd International Symposium on Catalysis for Clean Energy and Sustainable Chemistry), Madrid, Spain, September 7-9, 2016.

Syngas production via the biogas dry reforming reaction over Ni supported on zirconia modified with CeO2 or La2O3 catalysts. Goula M.A., Siakavelas G., Papageridis K.N., Charisiou N.D., Panagiotopoulou P., Yentekakis I.V., WHEC2016 (21st World Hydrogen Energy Conference), Saragossa, Spain, June 13-16, 2016.

An additional major effect of the effective (electrical) double layer in heterogeneous catalysis I.V. Yentekakis 14th Panhellinic Catalysis Symposium, Patras, Greece, 2016.

Biogas reforming on supported Ir catalysts: The effect of CeO2 on catalytic behavior and stability. I.V. Yentekakis, G. Goula, I. Petsi-Argyropoulou, M. Hatzisymeon, P. Panagiotopoulou, K. Kousi, D. Kondarides, M. Taylor, G. Kyriakou, R.M. Lambert 14th Panhellinic Catalysis Symposium, Patras, Greece, 2016

Study of the catalytic activity, stability and carbon deposition on supported Rh catalysts under dry methane reforming. G. Goula, I. Petsi-Argyropoulou, M. Hatzisymeon, P. Panagiotopoulou, K. Kousi, D. Kondarides, M. Taylor, G. Kyriakou, R.M. Lambert, I.V. Yentekakis, 14th Panhellinic Catalysis Symposium, Patras, Greece, 2016.

Production of synthesis gas from biogas dry reforming under La2O3 or CeO2 modified Ni/ZrO2 catalysts. M.A. Goula, G.I. Siakavelas, N.D. Charisiou, K.N. Papageridis, D.G. Avraam, P. Panagiotopoulou, I.V. Yentekakis. 14th Panhellinic Catalysis Symposium, Patras, Greece, 2016.

Energy production and winery organic byproduct treatment. E. Nikolaidou, M. Iosifidou, Ι. Υentekakis, G. Goula, A. Aivasidis, V. Diamantis, V. Triantafillou, Proc. 5 th Int. Conference on Environmental Management, Engineering, Planning and Economics (CEMEPE-2015) @ SECOTOX Conference, Mykonos island, Greece June 14-18, 2015

Effect of alkali promoters (K) on nitrous oxide decomposition over Ir/Al2O3, E. Papista, E. Pachatouridou, M.A. Goula, G.Ε. Marnellos, E. Iliopoulou, M. Konsolakis and I.V. Yentekakis, Proc. 10thInternational Congress on Catalysis and Automotive Pollution Control, pp.323-338 (2015).

Effect of SO2 on the catalytic decomposition of N2O over ceria promoted Ir/Al2O3 catalyst. E. Pachatouridou, E.F. Iliopoulou, M. Konsolakis, I.V. Yentekakis, 10th National Congress of Chemical Engineering, Patras, Greece, 2015.

“N2O decomposition over structurally modified noble metals/Al2O3 catalysts”, Ε. Papista, N. Kaklidis, E. Pachatouridou, A. Delimitis, E.F. Iliopoulou, G. Goula, I.V. Yentekakis, G. Marnellos, M. Konsolakis, 10th National Congress of Chemical Engineering, Patras, Greece, 2015.

Catalytic decomposition of N2O over Ir/Al2O3 catalysts: Effect of structural promoters and reaction conditions. E. Papista, N. Kaklidis, E. Pachatouridou, E.F. Iliopoulou, I.V. Yentekakis, G.E. Marnellos, T. Kraia, M. Konsolakis. 10th National Congress of Chemical Engineering, Patras, Greece, 2015.

Dry reforming of biogas: Effect of the support on the catalytic behavior of supported mono- and bi-metallic Irbased catalysts. G. Goula, P. Panagiotopoulou, A. Kasioni, S. Fanouriakis, G. Palioudaki, Ch. Papageorgiou, E. Diamadopoulos, I.V. Yenteklakis, D. Matzavinos, E. Nikolaidou, M. Iosifidou. 10th National Congress of Chemical Engineering, Patras, Greece, 2015.

“Nitrous oxide decomposition over Al2O3 supported noble metals (Pt, Pd, Ir): Effect of metal loading and feed composition”E. Papista, E. Pachatouridou, E.F. Iliopoulou, A. Delimitis, G. Goula, I.V. Yentekakis, G.E. Marnellos, M. Konsolakis, Proc. 13th International Conference on Clean Energy 2014, June 8-12, Istanbul, Turkey, pp. 2593-2600 (2014).

“N2O decomposition over structurally promoted Ir/Al2O3 catalysts” “E.F. Iliopoulou, E. Pachatouridou, E. Papista, A. Delimitis, G. Marnellos, M. Konsolakis, I.V. Yentekakis, 8 th International Congress on Environmental Catalysis, EC-P-08 (2014).

“The effect of Ce0.8La0.2O1.9 support modifiers on the mictrostructure and N2O decomposition (de-N2O) performance of γ-Al2O3 supported Ir catalysts”, A. Delimitis, E. Pachatouridou, E. Papista, E.F. Iliopoulou, G.E. Marnellos, M. Konsolakis, I.V. Yentekakis, Proc. 18th International Mivroscopy Congress, MS-1-P-1589 (2014).

“Electron microscopy study of the structure of Ir catalysts supported on modified γ-Al2O3 supports for the catalytic decomposition of N2O” A. Delimitis, E. Pachatouridou, E. Papista G.E. Marnellos, M. Konsolakis, I.V. Yentekakis and E.F. Iliopoulou, Proc. 13th Panhellenic Catalysis Congress, Paleos Agios Athanasios Pellas, 2014, pp. 68.

“Catalytic decomposition of N2O on structurally promoted (by CeO2, La2O3) noble metal catalysts (Pt, Pd)/γAl2O3” E. Papista, E. Pachatouridou, E.F. Iliopoulou, I.V. Yentekakis, G. Goula, G.E. Marnellos, M. Konsolakis, Proc. 13th Panhellenic Catalysis Congress, Paleos Agios Athanasios Pellas, 2014, pp. 76

“Electrochemical promotion by potasium of Pd electro-catalysts during N2O decomposition” E. Papista, M. Ouzounidou, G. Goula, I.V. Yentekakis, M. Konsolakis, G.E. Marnelos Proc. 13th Panhellenic Catalysis Congress, Paleos Agios Athanasios Pellas, 2014, pp. 89.

“Preferential oxidation of CO in H2 rich conditions over mono- or bi-metallic Pt-based catalysts: the effect of the support and/or electropositive surface promoters on their catalytic efficiency” E. Zabetakis, A. Bolbou, G. Goula, M. Konsolakis, I.V. Yentekakis Proc. 9o Panhellenic Symposium in Chemical Engineering, Athens, 2013

“Synergistic effect of structural (CeO2, La2O3) and surface (Κ) promoters during the N2O decomposition over Pt/Al2O3 monolithic catalysts” M. Konsolakis, F. Aligizou, G. Goula, I.V. Yentekakis Proc. 9o Panhellenic Symposium in Chemical Engineering, Athens, 2013.

“Effect of metal loading and reaction conditions on the N2O decomposition over precious metal catalysts (Pt, Pd, Ir) supported on Al2O3” E. Papista, N. Kaklidis, M. Konsolakis, I.V. Yentekakis, G. Goula, G.E. Marnellos Proc. 9o Panhellenic Symposium in Chemical Engineering, Athens, 2013

“A comparative study of the steam reforming of C2H5OH for Η2 production over transition metal catalysts supported on CeO2” Y. Ioakimides, M. Ouzounidou, M. Konsolakis, I.V. Yentekakis, G.E. Marnellos Proc. 9o Panhellenic Symposium in Chemical Engineering, Athens, Greece, 2013.

“Insight into the role of electropositive promoters in emission control catalysis: an in situ DRIFTS study of NO reduction by C3H6 over Na-promoted Pt/Al2O3 catalysts” M. Konsolakis, I.V. Yentekakis Proc. 9th International Congress on Catalysis and Automotive Pollution Control (CAPoC9), Brussels, August 29-31, 2012, Vol.3, pp. 249-259.

Spectroscopic study (XPS, DRIFTS) of the effect of SO2 και Η2Ο on the surface chemistry of Pd/Al2O3 catalysts during N2O reduction by CH4 under excess O2 conditions. M. Konsolakis, I.V. Yentekakis, G. Goula, E. Papista, N. Kaklides, G.E. Marnellos, Proc. 12th Panhellenic Catalysis Congress, Georgioupoli, Chania, 2012

Development of a novel process for electricity production from carbon via an internal carbon catalytic gasification fuel cell. M. Konsolakis, G.E. Marnellos, V. Stathopoulos, I.V. Yentekakis, V. Kiriakou, I. Karagounis Proc. 12th Panhellenic Catalysis Congress, Georgioupoli, Chania, 2012

The effect of rare earth oxides (CeO2, La2O3) on the catalytic decomposition of Ν2Ο Pt/Al2O3-(CeO2+La2O3) monoliths. M. Konsolakis, C. Drosou, M. Goula, I.V. Yentekakis Proc. 12th Panhellenic Catalysis Congress, Georgioupoli, Chania, 2012

The effect of the support on the catalytic behavior of Pt and Pt-Ni catalysts during the preferential CO oxidation : A low temperature activity maximum ( 120-150ο C) E. Zabetakis, A. Bolbou, I.V. Yentekakis Proc. 12th Panhellenic Catalysis Congress, Georgioupoli, Chania, 2012

Steam reforming of iso-octane for H2 production over Cu catalyst supported on rare earth oxides. Z. Ioakimides, Α.Α. Αl-Musa, M. OuzounidouM. KonsolakisI.V. Yentekakis, G.E. Marnellos Proc. 12th Panhellenic Catalysis Congress, Georgioupoli, Chania, 2012

“The synergy of surface-induced and support-mediated promotion routes on Pd-based catalysts for the effective lean reduction of NOx by CO+H2 mixtures” V. Matsuka, G. Goula, M. Vrontaki, G. Avgouropoulos, M. Konsolakis, T. Ioannides, I.V. Yentekakis Proc. Eastmeets West Congress and Exhibition on Innovation and Entrepreneurship 2012, Nicosia, Cyprus (2012).

“On the combined effect of reducing agent and alkali promotion on N2O decomposition over Pd/Al2O3 catalysts”, M. Konsolakis, N. Kaklidis, G.E. Marnellos, I.V. Yentekakis Extended Abstract in 15th International Congress on Catalysis (2012).

“On the effects of SO2 and H2O on the surface and catalytic behavior of Pd/Al2O3 catalysts during the N2O reduction by CH4 under O2 excess conditions”, G. Pekridis, N. Kaklidis, M. Konsolakis, I.V. Yentekakis, G.E. Marnellos, Proc. 8 th Panhellenic Symposium in Chemical Engineering, e-proceedings 375-384 (2011).

“Long term operation stability tests of intermediate and high temperatures Ni-based anodes’ SOFCs directly fueled with simulated biogas mixtures”, I.V. Yentekakis, T. Papadam, G. Goula, Paper No 026ELE, International Conference on Hydrogen Production ICH2P-11, June 19-22, 2011, Thessaloniki, Greece

“Novel electropositivelly-promoted catalytic materials for efficient nitrogen oxide emission control: A DRIFTS-aided study of the role of promoter”, V. Matsouka, M. Konsolakis, I.V. Yentekakis, Proc. 2nd International Conference on Hazardous Waste Management, e-proceedings A6-6 (2010).

“Thermal aging behavior of Pt-only TWC converters under simulated exhaust conditions: Effect of rare earths (CeO2, La2O3) and alkali (Na) modifiers”, V. Matsouka, M. Konsolakis, I.V. Yentekakis, A. Papavasiliou, A. Tsetsekou, N. Boukos, Book of abstracts, Nordic Symposium on Catalysis (2010).

“Surface and Catalytic properties of Potassium promoted Pd/Al2O3 catalysts during N2O reduction by alkanes or alkenes”, G. Pekridis, N. Kaklidis, M. Konsolakis, E. Iliopoulou, I.V. Yentekakis, G.E. Marnellos, Book of abstracts, Nordic Symposium on Catalysis (2010).

“Effect of thermal aging on the surface and catalytic behavior of structurally and electropositively promoted monometallic (Pt) catalysts”, V. Matsouka, M. Konsolakis, I.V. Yentekakis, Proc. 11th Panhellenic Catalysis Symposium, pp. 76-79 (2010).

“Study of the surface and catalytic behavior of K-promoted Pd/Al2O3 catalysts during the N2O reduction by alkanes/alkenes”, G. Pekridis, N. Kaklidis, C. Athanasiou, M. Konsolakis, E. Iliopoulou, I.V. Yentekakis, G.E. Marnellos, Proc. 11th Panhellenic Catalysis Symposium, pp. 180-183 (2010).

“Effect of SO2 and H2O on the surface and catalytic behavior of Rh/γ-Al2O3 during the NO reduction by C3H8”, G. Pekridis, N. Kaklidis, K. Vafiadis, C. Athanasiou, M. Konsolakis, I.V. Yentekakis, G.E. Marnellos, Proc. 11th Panhellenic Catalysis Symposium, pp. 208-211 (2010).

“Effect of Ce0.4Zr0.5La0.1O1.95 solid solution on the structural and catalytic properties of monometallic Pt/Al2O3 three-way catalytic converters”, A. Papavasiliou, V. Matsuka, M. Konsolakis, A. Tsetsekou, I.V. Yentekakis, Proc. 11th International Conference on Environmental Science and Technology (CEST2009), pp. A1108-A1115 (2009).

“Effect of CexZryLaz mixed oxides on the structural and catalytic behavior of monometallic catalytic converters under simulated exhaust conditions”, V. Matsouka, M. Konsolakis, I.V. Yentekakis, A. Papavasiliou and A. Tsetsekou, Proc. 8 th International Congress on Catalysis and Automotive pollution control, Vol. 3, pp. 25-36 (2009).

“N2O abatement over γ-Al2O3 supported catalysts: Effect of reducing agent and active phase nature”, G. Pekridis, C. Athanasiou, M. Konsolakis, I.V. Yentekakis, G.E. Marnellos, Proc. 8 th International Congress on Catalysis and Automotive Pollution Control, Vol. 3, pp. 37-47 (2009).

“Effect of CexZryLazOδ mixed oxides on the thermal stability and catalytic behaviour of Pt/Al2O3 monoliths under simulated exhaust conditions”, V. Matsouka, M. Konsolakis, I.V. Yentekakis, A. Papavasiliou and A. Tsetsekou, Proc. 7 th Panhellenic Symposium in Chemical Engineering, e-proceedings psxm7_00134 (2009)

“Effect of synthesis procedure on the structural and catalytic behavior of Pt/Al2O3 catalytic converters modified with Ce0.4Zr0.5La0.1O1.95 solid solution”, A. Papavasiliou, A. Tsetsekou, V. Matsouka, M. Konsolakis, I.V. Yentekakis, Proc. 7 th Panhellenic Symposium in Chemical Engineering, e-proceedings psxm7_00138 (2009)

“Environmentally friendly production of electricity in wastewater treatment plants via biogas fuel cells ”, T. Papadam, I.V. Yentekakis. Proc. 3 th National Congress on Climate Change, Sustainable Development and Reniewable Energy Sources, Thessaloniki, pp. 553-560 (2009).

"In situ DRIFTS study of surface species formed over sodium promoted Pt/Al2O3 catalysts during the reduction of NO by C3H6", V. Matsouka, S. Koukiou, M. Konsolakis and I.V. Yentekakis, e-Proc. 9th International Conference on Protection and Restoration of the Environment, Kefelonia, GR., pp.7- 15 (2008).

“Direct DRIFTS evidences for the active surface intermediates responsible for the improved catalytic performance of Na-promoted Pt/γ-Al2O3 catalysts during NO reduction by hydrocarbons”, V. Matsuka, M. Konsolakis, I.V. Yentekakis, Proc. 1st International Conference on Hazardous Waste Management, Chania, Greece, pp. 87-88 (2008).

“Electropositive Promotion of De-NOx catalytic Processes”, (Invited keynote lecture), I.V. Yentekakis, Proc. 10th Greek National Congress on Catalysis, Metsovo, pp. 107-112 (2008).

“Performance and stability studies of intermediate and high temperature direct biogas solid oxide fuel cells”, T. Papadam, I.V. Yentekakis, Proc. 10th Greek National Congress on Catalysis, Metsovo, pp. 121-124 (2008).

“Surface behaviour of structurally (by CeO2-La2O3) and electropositively (by Na) promoted Pt/γ-Al2O3 catalysts under simulated exhaust conditions”, V. Matsuka, M. Konsolakis, I.V. Yentekakis, Proc. 10th Greek National Congress on Catalysis, Metsovo, pp. 233-236 (2008).

"In situ Diffuse Reflectance Infrared Spectroscopic Study of NO interaction with electropositively promoted by Na Pt/γ-Al2O3 catalysts", S. Koukiou, M. Konsolakis, I.V. Yentekakis, Proc. 6th National Symposium in Chemical Engineering, Athens-Greece, pp. 905-908 (2007).

"Electrochemical Promotion by potassium of the catalytic performance of Ir during the NO reduction by propene under variable oxygen concentrations", G. Goula, P. Katzourakis, N.Vakakis, T. Papadam, M. Konsolakis, I.V. Yentekakis, Proc. 6th National Symposium in Chemical Engineering, Athens-Greece, pp. 909-912 (2007).

"NO reduction by propene or CO over alkali-promoted Pd/YSZ catalysts ", M. Konsolakis and I.V. Yentekakis, e-Proc. 8th Conference on Protection and Restoration of the Environment, Chania, Greece, (2006).

"A comparative study of the performances of high and intermediate temperature solid oxide fuel cells developed for the advanced exploitation of biogas", G. Goula and I.V. Yentekakis, e-Proc. 8th Conference on Protection and Restoration of the Environment, Chania, Greece, (2006).

"Novel Electropositively promoted monometallic (Pt-only) catalytic converters for automotive pollution control", I.V. Yentekakis, M. Konsolakis, I.A. Rapakousios and V. Matsuka, e-Proc. 8th Conference on Protection and Restoration of the Environment, Chania, Greece, (2006).

"Lean NOx reduction with CO+H2 over K-modified Pd/Al2O3-TiO2 catalysts", M. Konsolakis, M. Vrontaki and I.V. Yentekakis, e-Proc. 8th Conference on Protection and Restoration of the Environment, Chania, Greece, (2006).

"A novel process for direct production of electricity and H2 from urban and industrial waste treatment", I.V. Yentekakis, G. Goula, T. Papadam, N. Kalogerakis, D. Mantzavinos and M. Ninolakis, e-Proc. 8th Conference on Protection and Restoration of the Environment, Chania, Greece, (2006).

"Automotive pollution control by electropositively promoted Pt-only catalytic converters", I.V. Yentekakis, M. Konsolakis, I.A. Rapakousios, Proc. 7th Inter. Congress on Catalysis and Automotive Pollution Control, Vol. 3, pp. 205-212 (2006)

"An intermediate temperature SOFC running under internal dry reforming of simulated biogas mixture", I.V. Yentekakis, Proc. Inter. Hydrogen Energy Congress & Exhibition, Turkey, Istanbul, pp. 1-11, (2005).

"Development and Experimental Studies of Innovative Biogas Fuel Cells", (in Greek), G. Goula, V. Kiousis and I.V. Yentekakis, Proc. 5th Panhellenic Conference in Chemical Engineering, pp. 589-592 (2005).

"New process of production of electric energy and /or H2 from the treatment of urban and industrial wastes of varied COD", (in Greek), G. Goula, M. Ninolakis, D. Mantzavinos, N. Kalogerakis and I.V. Yentekakis, Proc. 8th Panhellenic Catalysis Symposium, pp. 68-72 (2005).

"Effect of surface additives and supports on the de-NOx behaviour of Ag-based catalysts under conditions of excess O2", (in greek), G. Botzolaki and I.V. Yentekakis, Proc. 8th Panhellenic Catalysis Symposium, pp. 204-207 (2005).

"Comparative study of reactions C3H6+NO+O2, C3H6+O2 and NO+O2 on electropositive promoted catalysts Pt/γ-Al2O3 and in lean-burn conditions", (in Greek), I. Rapakousios, V. Tellou, M. Konsolakis and I.V. Yentekakis, Proc. 5th Panhellenic Conference in Chemical Engineering, pp. 93-96 (2005).

"Production of electric energy from urban and industrial wastes", (in Greek), I.V. Yentekakis, G. Goula, D. Mantzavinos and N. Kalogerakis, Proc. 2nd National Conference for Hydrogen Technologies, pp. 287-292 (2005).

"Catalytic and electrocatalytic behaviour of a Ni-based cermet anode under internal dry reforming of simulated biogas mixturesin a high temperature SOFC", V. Kiousis, I.A. Rapakousios and I.V. Yentekakis, Book of Abs. 55th Annual Meeting of Inter. Society of Electrochemistry, Vol. 2, pp. 1203 (2004)

"Successful use of electropositive promoters in De-NOx Pt-group metals catalytic chemistry", V. Tellou and I.V. Yentekakis, Proc. 8th Inter. Conference on Environmental Science and Technology, pp. 863-870 (2003).

"Strong promotion by alkalis and alkaline earths of Pt for reactions of significant environmental importance (NOx, CO and Hydrocarbon emission control: Studies for model reactions", (in Greek), M. Konsolakis and I.V. Yentekakis, Proc. 3st Panhellenic Symposium in Chemical Engineering, pp. 1097-1100 (2001).

"Strong promotion by alkalis and alkaline earths of Pt for reactions of significant environmental importance (Nox, CO and Hydrocarbon emission control: Applications at realistic conditions", (in greek), M. Konsolakis, R.M. Lambert and I.V. Yentekakis, Proc. 3st Panhellenic Symposium in Chemical Engineering, pp. 1101-1104 (2001).

"Nonel alkali promoted catalysts for the NO, CO and hydrocarbons emission control: The case of NO+C3H6 reaction", I.V. Yentekakis, M. Konsolakis, R.M. Lambert, N. Macleod and L. Nalbantian, Proc. 5th Inter. Congress on Catalysis and Automotive Pollution Control, Vol. 2, pp. 233-242 (2000).

"Catalytic Reduction of NO by hydrocarbons over Na-promoted Pd catalysts: The different behaviour of alkanes and alkenes", (in Greek), M. Konsolakis, V. Kiousis, I.V. Yentekakis and R.M. Lambert, Proc. 2st Panhellenic Symposium in Chemical Engineering, pp 313-317 (1999).

"Promotion by Sodium of NO+C3H6 reaction over Pt/γ-Al2O3 catalysts", (in greek), M. Konsolakis, A. Rizos, I. Koyialos and I.V. Yentekakis, Proc. 2st Panhellenic Symposium in Chemical Engineering, pp. 406-413 (1999).

"Extraordinarily effective promotion by Alkalies in emission coltrol catalysis", M. Konsolakis and I.V. Yentekakis, Proc. 1st Int. G. Papatheodorou Symposium, Patras, pp. 193-198 (1999).

"Promotion by Sodium in Emission Control Catalysis: The Pd-catalyzed reduction of NO by hydrocarbons", M. Konsolakis, V. Kiousis, R.M. Lambert and I.V. Yentekakis, Proc. 4rd Int. Conference, Protection and Restoration of the Environment, Vol. 1, 436-444 (1998).

"Oxidative Coupling of Methane to Ethylene in Novel Gas Recycle Reactor-Separators",(in Greek), M. Makri, Y. Jiang, I.V. Yentekakis and C.G. Vayenas, Proc. 1st Panhellenic Conference in Chemical Engineering, Vol. I, pp. 401-406 (1997).

"Promotion of Catalysts via Electrochemical Methods", S. Bebelis, I.V. Yentekakis, S. Neophytides, P. Petrolekas, P. Tsiakaras, Ch. Karavasilis, E. Karasali, K. Ppliangos, A. Kalogiannis, M. Makri, D. Tsiplakides and C.G. Vayenas, Proc. 1st Panhellenic Conference in Chemical Engineering, Vol. I, pp. 435-440 (1997).

"Promoting Reactions of Environmental Interest", (in greek), I.V. Yentekakis, A. Palermo and R.M. Lambert, Proc. 1st Panhellenic Conference in Chemical Engineering,Vol. I, pp. 447-452 (1997).

"Promoting by Sodium of Environmentally Important Catalytic Systems: The case of Pd(Na)/NO+C3H6 ", (in Greek), V. Kiousis, M. Konsolakis, R.M. Lambert and I.V. Yentekakis, Proc. 5st Panhellenic Catalysis Symposium, pp. 31-36 (1997).

"Electrochemical Promotion of the Catalytic Reduction of NO by Propene" (in greek), I.V. Yentekakis, A. Palermo and R.M. Lambert, Proc. 17th Panhellenic Chemistry Conference, Patras, Greece, pp. 847-851 (1996).

"Non-Faradaic Electrochemical Modification of Catalytic Activity of Metal Films Deposited on Solid Electrolytes", I.V. Yentekakis, S. Bebelis, S. Neophytides and C.G. Vayenas, 188th meeting of the Electrochemical Society, Book of extended Abstracts, The Electrochemical Society Inc., Pennington, NJ (1996)

"Electrochemical Promotion of Environmentally Important Catalytic Reactions", N.C. Filkin, A. Palermo, M.S. Tikhov, R.M. Lambert and I.V. Yentekakis, Proc. Faraday Discussion meeting, Reading University, UK (1996).

"Catalysis, Electrocatalysis and Electrochemical Promotion of the Steam Reforming of Methane over Ni Film and Ni-YSZ cermet Anodes", I.V. Yentekakis, Y. Jiang, S. Neophytides, S. Bebelis and C.G. Vayenas, Proc. 2nd European Solid Oxide Fuel Cell Forum, (B. Thorstencen Ed.), Vol.1, 131-142 (1996)

"In Situ Electrochemically Controlled Promotion of Environmentally Important Catalytic Reactions: NO Reduction by Propene", I.V. Yentekakis, A. Palermo and R.M. Lambert,(E. Diamantopoylos and G. Korfiatis Eds), Proc. 3rd Int. Conference, Protection and Restoration of the Environment, pp 640-648 (1996).

"Electrochemical promotion of the Pt-catalysed reaction between CO and NO", A. Palermo, I.V. Yentekakis, C. G. Vayenas and R. M. Lambert, Proc. IX Jornadas Argentinas de Catalysis, Salta, Argentina (1995)

"Ethylene Production from Methane in a Gas Recycle Electrocatalytic Reactor Separator", I.V. Yentekakis, Y. Jiang, M. Makri and C.G. Vayanas, Proc. 4th Panhellenic Symposium on Catalysis, Papingo, Greece, pp. 161-168 (1995).

"Electrochemical Promotion of Catalyst Surfaces Deposited on Ionic and Mixed Conductors", A. Kaloyannis, C. Pliangos, D. Tsiplakides, I.V. Yentekakis, S.G. Neophytides, S. Bebelis and C. G. Vayenas, Proc. 4th Panhellenic Symposium on Catalysis, Papingo, Greece, pp. 129-138, (1995).

"Kinetic of Internal Steam Reforming of Methane and their Effect on SOFC Performance", I.V. Yentekakis, S.G. Neophytides, A.C. Kaloyannis, S. Bebelis and C.G. Vayenas, Proc. 4th Panhellenic Symposium on Catalysis, Papingo, Greece, pp. 139-148, (1995).

"Oxidative Coupling of Methane to Ethylene with 85% yield in a Gas Recycle Electrocatalytic Reactor", I.V. Yentekakis, Y. Jiang, M. Makri and C.G. Vayanas, Proc. EUROPA-CAT II, Maastricht, the Netherlands, p 552, (1995)

"In situ controlled promotion of catalytic activity of metal surfaces via NEMCA: The case of C2H4 oxidation on Rh/YSZ" (in greek), C.A. Pliangos, I. V. Yentekakis, X. E. Verykios and C. G. Vayenas, Proc. 3rd Panhellenic Catalysis Symposium, Patras, pp. 388-389 (1994).

"Support Induced Promotional effects on the activity of automotive exhaust catalysts" (in Greek), C.A. Pliangos, I.V. Yentekakis, E. Papadakis, X.E. Verykios and C.G. Vayenas, Proc. 3rd Panhellenic Catalysis Symposium, Patras, pp. 386-387 (1994).

"Electrochemical Promotion of Pt catalyzed CO oxidation via NEMCA by using CaF2 solid electrolyte" (in Greek), I.V. Yentekakis, Jiang Yi and C.G. Vayenas, Proc. 3rd Panhellenic Catalysis Symposium, Patras, pp. 382-380 (1994).

"A new method for the evaluation of natural gas: Methane conversion to ethylene with 85% yield" (in Greek), I.V. Yentekakis , Y. Jiang and C.G. Vayenas, Proc. 15th Panhellenic Chemistry Conference, Thessaloniki, Greece, pp. 16-20 (1994).

"Development of improved catalytic converters based on support induced promotional effects" (in Greek), E.G. Papadakis, C.A. Pliangos, I.V. Yentekakis, C.G. Vayenas and X. Verykios, Proc. 15th Panhellenic Chemistry Conference, Thessaloniki, Greece, pp. 26-30 (1994).

"In situ controlled promotion of catalytic activity via solid electrolytes. The case of C2H4 oxidation on Rh" (in Greek), C.A. Pliangos, I.V. Yentekakis and C.G. Vayenas, Proc. 15th Panhellenic Chemistry Conference, Thessaloniki, Greece, pp. 21-25 (1994).

"Investigation of Thermodynamics and Kinetics of Chemisorption of Oxygen on Pt and Ag Catalysts by a new Electrochemical Technique: Potential-Programmed Reduction (PPR)" (in greek), Jiang Yi, I.V. Yentekakis and C.G. Vayenas, Proc. 3rd Panhellenic Catalysis Symposium, Patras, pp. 379-380 (1994).

"In situ controlled promotion of Pt catalyzed CO oxidation via NEMCA by using β"-Al2O3 solid electrolyte" (in Greek), I.V. Yentekakis, G. Moggridge, C.G. Vayenas and R.M. Lambert, Proc. 3rd Panhellinic Catalysis Symposium, Patras, pp. 384-385 (1994).

"Electrochemical Promotion in Catalysis: Non-Faradaic Modification of Catalytic Activity" (in Greek)C.G. Vayenas, S. Ladas, S. Bebelis, I.V. Yentekakis, S. Neophytides, Y. Jiang, Ch. Karavasilis, C. Pliangos, E. Karasali, A. Kalogiannis and M. Makri, Proc. 3rd Panhellinic Catalysis Symposium, Patras, pp. 204-230 (1994).

"In situ controlled promotion of catalytic activity of metal surfaces via NEMCA: The case of C2H4 oxidation on Rh/YSZ" (in greek), C.A. Pliangos, I. V. Yentekakis, X. E. Verykios and C. G. Vayenas, Proc. 3rd Panhellenic Catalysis Symposium, Patras, pp. 388-389 (1994).

"Non-Faradaic electrochemical modification of catalytic activity", C.G. Vayenas, S. Bebelis, I.V. Yentekakis, S. Neophytides, 45th Annual Meeting of the International Society of Electrochemistry, Porto, Portugal, Book of Abstracts, Vol 1, KIV-10 (1994)

"The use of CaF2 solid electrolyte for in situ controlled promotion of catalytic activity of metal catalyst electrodes via NEMCA: The case of CO oxidation on Pt", I.V. Yentekakis, Jiang Yi and C.G. Vayenas, Proc. 45th Annual Meeting of the Inter. Society of Electrochemistry, Porto, Portugal, Vol 2, IV-103 (1994)

"Carbon Monoxide Oxidation on Pt Films Deposited on β"-Al2O3 : Effect of Electrochemical Na Promotion", I.V. Yentekakis, G. Moggridge, C.G. Vayenas and R. M. Lambert, 1st European Congress on Catalysis (EUROPACAT-I), Montpellier, France, Book of Abstracts, Vol 2, p 726 (1993).

"Non-Faradaic Electrochemical Modification of Catalytic Activity in solid electrolyte cells" C.G. Vayenas, S. Bebelis, I.V. Yentekakis, S. Neophytides, Ch. Karavasilis and J. Yi, High Temperature Electrochemical Behaviour of Fast Ion and Mixed Conductors, (F. W. Poulsen et al, Eds), Riso Nat. Lab., Roskide, Denmark, pp. 175-191 (1993).

"Mathematical Modelling of Cross-flow, Counter-flow and Cocurrent-flow Solid Oxide Fuel Cells: Theory and some preliminary experiments", I.V. Yentekakis, S. Neophytides, S. Seimanides and C.G. Vayenas, Proc. 2nd Inter. Symp. on Solid Oxide Fuel Cells, Athens, Greece, Offic. Publ. of the EEC, Luxembourg, pp 281- 288 (1991).

 "The use of SOFC as Chemical Reactor: Non-Faradaic Catalysis", S. Bebelis, Ch. Karavasilis, H. Karasali, P. Tsiakaras, I.V. Yentekakis and C.G. Vayenas, Proc. 2nd Inter. Symp. Solid Oxide Fuel Cells, Athens, Greece, Offic. Publ. of the EEC, Luxembourg, pp. 353-360 (1991).

"Chemical Cogeneration in Solid Oxide Fuel Cells: H2 S Oxidation to SO2 on Pt and Coal Gasification in a Fused Metal Anode", I.V. Yentekakis, P.G. Debenedetti and C.G. Vayenas, Proc. 2nd Inter. Symp. on Solid Oxide Fuel Cells, Athens, Greece, Offic. Publ. of the EEC, Luxembourg, pp. 361- 367 (1991).

"Non-Faradaic electrochemical modification of catalytic activity", C.G. Vayenas, S. Bebelis, I.V. Yentekakis, S. Neophytides and P. Tsiakaras, Proc. 2nd Panhellenic Catalysis Symposium, Patras, September (1989).

"Catalytic and Electrocatalytic Oxidation of CO on Polycrystalline Pt" (in greek), I.V. Yentekakis, S. Neophytides and C.G. Vayenas, Proc. 1st Panhellinic Symposioum in Catalysis, Patras, Greece, pp. 4-5 (1988).

"Interaction of Chemical Kinetics and Mass Transfer in Trickle-bed Reactors: Application in the Hydrodesulfurization Process" (in greek), I.V. Yentekakis, S. Neophytides, A. Ioannides and C.G. Vayenas, Proc. 1st Panhellenic Catalysis Symposium, Patras, pp. 54-55 (1988).

"Cogeneration of Chemicals and Electrical Power: The Production of SO2 and Formaldehyde in Solid Electrolyte Fuel Cells", I.V. Yentekakis, S. Neophytides and C.G. Vayenas, Paper 168e, AIChE meeting, November 1988, Washington D.C., USA.

"Kinetic and Potentiometric investigation of CO oxidation on polycrystalline Silver", S. Neophytides, D. Bountouvas, I.V. Yentekakis and C.G. Vayenas, Proc. 10th Panhellenic Chemistry Conference, Athens, Greece, (in Greek),Vol A, pp. 445-460 (1985).

"Interaction of Chemical Kinetics and Diffusion in Hydrodesulfurization Catalysts", I.V. Yentekakis and C.G. Vayenas, Proc. 10th Panhellenic Chemistry Conference, Athens, Greece, (in Greek), Vol B, pp. 674-680, (1985).