Pekka Simell

1988 …2021
If you made any changes in Pure these will be visible here soon.

Research Output 1988 2019

2019

Effect of H2S and thiophene on the steam reforming activity of nickel and rhodium catalysts in a simulated coke oven gas stream

Hernandez, A. D., Kaisalo, N., Simell, P. & Scarsella, M., Dec 2019, In : Applied Catalysis B: Environmental. 258, 117977.

Research output: Contribution to journalArticleScientificpeer-review

rhodium
Thiophenes
Coke ovens
Rhodium
Steam reforming
2018
1 Citation (Scopus)
Atomic layer deposition
atomic layer epitaxy
Catalyst supports
Polyvinyl Alcohol
polyvinyl alcohol
3 Citations (Scopus)

Low-temperature atomic layer deposition of SiO2/Al2O3 multilayer structures constructed on self-standing films of cellulose nanofibrils

Putkonen, M., Sippola, P., Svärd, L., Sajavaara, T., Vartiainen, J., Buchanan, I., Forsström, U., Simell, P. & Tammelin, T., 13 Feb 2018, In : Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 376, 2112, 20170037.

Research output: Contribution to journalArticleScientificpeer-review

Atomic layer deposition
Cellulose
SiO2
atomic layer epitaxy
cellulose
3 Citations (Scopus)

Modeling of nickel-based hydrotalcite catalyst coated on heat exchanger reactors for CO2 methanation

Vidal Vázquez, F., Kihlman, J., Mylvaganam, A., Simell, P., Koskinen-Soivi, M. L. & Alopaeus, V., 1 Oct 2018, In : Chemical Engineering Journal. 349, p. 694-707 14 p.

Research output: Contribution to journalArticleScientificpeer-review

hydrotalcite
Methanation
Nickel
Heat exchangers
nickel

Molecular Layer Deposition Using Ring-Opening Reactions: Molecular Modeling of the Film Growth and the Effects of Hydrogen Peroxide

Keskiväli, L., Putkonen, M., Puhakka, E., Kenttä, E., Kint, J., Ramachandran, R. K., Detavernier, C. & Simell, P., 31 Jul 2018, In : ACS Omega. 3, 7, p. 7141-7149 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Molecular modeling
Ozone
Film growth
Phenol
Hydrogen peroxide
5 Citations (Scopus)

Power-to-X technology using renewable electricity and carbon dioxide from ambient air: SOLETAIR proof-of-concept and improved process concept

Vázquez, F. V., Koponen, J., Ruuskanen, V., Bajamundi, C., Kosonen, A., Simell, P., Ahola, J., Frilund, C., Elfving, J., Reinikainen, M., Heikkinen, N., Kauppinen, J. & Piermartini, P., 2018, In : Journal of CO2 Utilization. 28, p. 235-246 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Hydrocarbons
Carbon Dioxide
ambient air
Carbon dioxide
electricity

Reactor intensification for CO2 utilization and related C1 chemistry

Vidal Vazquez, F., 24 Oct 2018, Aalto University. 154 p.

Research output: ThesisDissertationCollection of Articles

Open Access

Whisker carbon formation in catalytic steam reforming of biomass gasification gas

Kihlman, J., Kaisalo, N., Koskinen-Soivi, M-L., Simell, P., Niemelä, M. & Lehtonen, J., 25 Aug 2018, In : Applied Catalysis A: General. 564, p. 133-141 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Catalytic reforming
Steam reforming
Gasification
Biomass
Carbon
2017
10 Citations (Scopus)

Aqueous-phase reforming of methanol over nickel-based catalysts for hydrogen production

Coronado, I., Stekrova, M., García Moreno, L., Reinikainen, M., Simell, P., Karinen, R. & Lehtonen, J., Nov 2017, In : Biomass and Bioenergy. 106, p. 29-37 9 p.

Research output: Contribution to journalArticleScientificpeer-review

hydrogen production
Reforming reactions
Hydrogen production
nickel
catalysts
6 Citations (Scopus)

Catalyst Screening and Kinetic Modeling for CO Production by High Pressure and Temperature Reverse Water Gas Shift for Fischer-Tropsch Applications

Vidal Vázquez, F., Pfeifer, P., Lehtonen, J., Piermartini, P., Simell, P. & Alopaeus, V., 3 Jul 2017, In : Industrial & Engineering Chemistry Research: Tapio Salmi Festschrift. 56, 45, p. 13262–13272 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Water gas shift
Carbon Monoxide
Screening
Catalysts
Kinetics

Catalytic aqueous-phase reforming of methanol to produce hydrogen

Coronado, I., Stekrova, M., García Moreno, L., Reinikainen, M., Simell, P., Karinen, R. & Lehtonen, J., 1 Jan 2017, 2017 AIChE Annual Meeting. American Institute of Chemical Engineers AIChE, p. 1499-1500 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Open Access
1 Citation (Scopus)

Low-temperature molecular layer deposition using monifunctional aromatic precursors and ozone-based ring-opening reactions

Svärd, L., Putkonen, M., Kenttä, E., Sajavaara, T., Krahl, F., Karppinen, M., Van de Kerckhove, K., Detavernier, C. & Simell, P., 2017, In : Langmuir. 33, 38, p. 9657-9665 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Ozone
ozone
rings
Phenol
Vapor pressure
2016
39 Citations (Scopus)

A review of catalytic aqueous-phase reforming of oxygenated hydrocarbons derived from biorefinery water fractions

Coronado, I., Stekrova, M., Reinikainen, M., Simell, P., Lefferts, L. & Lehtonen, J., 2016, In : International Journal of Hydrogen Energy. 41, 26, p. 11003-11032

Research output: Contribution to journalArticleScientificpeer-review

Reforming reactions
hydrocarbons
Hydrocarbons
catalysts
water
9 Citations (Scopus)

Benzene steam reforming kinetics in biomass gasification gas cleaning

Kaisalo, N. K., Simell, P. A. & Lehtonen, J. M., 2016, In : Fuel. 182, p. 696-703

Research output: Contribution to journalArticleScientificpeer-review

Steam reforming
Benzene
Gasification
Cleaning
Biomass

Closing energy cycle: Power-to-Methanol and Methanol-to-Power

Vidal Vázquez, F., Hannula, I. & Simell, P., 2016, In : Gas for Energy. 2, p. 32-37

Research output: Contribution to journalArticleProfessional

Methanol
Energy efficiency
Economics
Economic analysis
Fossil fuels
17 Citations (Scopus)

Reactor design and catalysts testing for hydrogen production by methanol steam reforming for fuel cells applications

Vazquez Vidal, F., Simell, P., Pennanen, J. & Lehtonen, J., 2016, In : International Journal of Hydrogen Energy. 41, 2, p. 924-935

Research output: Contribution to journalArticleScientificpeer-review

reactor design
Steam reforming
hydrogen production
Hydrogen production
steam
2015

ALD deposition of core-shell structures onto electrospun carbon webs for PEM fuel cell MEAs

Heikkilä, P., Matti, P., Pasanen, A. T., Rautkoski, H., Tapper, U., Ihonen, J., Bosund, M., Geppert, T., El-Sayed, H., Gasteiger, H. A., Simell, P. & Vähä-Nissi, M., 2015.

Research output: Contribution to conferenceConference PosterScientific

Open Access
Atomic layer deposition
Fuel cells
Platinum
Carbon
Catalyst supports
33 Citations (Scopus)

Behaviour of tars on the filter in high temperature filtration of biomass-based gasification gas

Tuomi, S., Kurkela, E., Simell, P. & Reinikainen, M., 2015, In : Fuel. 139, p. 220-231

Research output: Contribution to journalArticleScientificpeer-review

Tars
Tar
Gasification
Biomass
Gases
16 Citations (Scopus)

Carbon formation in catalytic steam reforming of natural gas with SOFC anode off-gas

Kihlman, J., Sucipto, J., Kaisalo, N., Simell, P. & Lehtonen, J., 2015, In : International Journal of Hydrogen Energy. 40, 3, p. 1548-1558

Research output: Contribution to journalArticleScientificpeer-review

Catalytic reforming
cell anodes
Steam reforming
natural gas
solid oxide fuel cells
10 Citations (Scopus)

Effect of pressure on tar decomposition activity of different bed materials in biomass gasification conditions

Tuomi, S., Kaisalo, N., Simell, P. & Kurkela, E., 2015, In : Fuel. 158, p. 293-305

Research output: Contribution to journalArticleScientificpeer-review

Tars
Tar
Gasification
Biomass
Olivine
5 Citations (Scopus)

Effect of process conditions on tar formation from thermal reactions of ethylene

Kaisalo, N., Koskinen-Soivi, M-L., Simell, P. & Lehtonen, J., 2015, In : Fuel. 153, p. 118-127

Research output: Contribution to journalArticleScientificpeer-review

Tars
Tar
Ethylene
Gasification
Biomass
11 Citations (Scopus)

Oxidative steam reforming of pyrolysis oil aqueous fraction with zirconia pre-conversion catalyst

Paasikallio, V., Azhari, A., Kihlman, J., Simell, P. & Lehtonen, J., 2015, In : International Journal of Hydrogen Energy. 40, 36, p. 12088-12096

Research output: Contribution to journalArticleScientificpeer-review

Steam reforming
zirconium oxides
steam
Zirconia
pyrolysis
10 Citations (Scopus)

Reforming solutions for biomass-derived gasification gas: Experimental results and concept assessment

Kaisalo, N., Kihlman, J., Hannula, I. & Simell, P., 2015, In : Fuel. 147, p. 208-220

Research output: Contribution to journalArticleScientificpeer-review

Reforming reactions
Gasification
Hydrocarbons
Biomass
Gases
17 Citations (Scopus)

Steam reforming of pyrolysis oil aqueous fraction obtained by one-step fractional condensation

Paasikallio, V., Kihlman, J., Sanchez Sanchez, C. A., Simell, P., Solantausta, Y. & Lehtonen, J., 2015, In : International Journal of Hydrogen Energy. 40, 8, p. 3149-3157

Research output: Contribution to journalArticleScientificpeer-review

Steam reforming
steam
pyrolysis
Condensation
Pyrolysis
2014

Catalytic steam reforming of indirect biomass gasification gas

Kaisalo, N., Tuomi, S., Kihlman, J. & Simell, P., 2014, 1st International Conference on Renewable Energy Gas Technologies. p. 103-104

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Catalytic reforming
Steam reforming
Gasification
Biomass
Gases
25 Citations (Scopus)

Clean syngas from biomass-process development and concept assessment

Simell, P., Hannula, I., Tuomi, S., Nieminen, M., Kurkela, E., Hiltunen, I., Kaisalo, N. & Kihlman, J., 2014, In : Biomass Conversion and Biorefinery. 4, 4, p. 357-370

Research output: Contribution to journalArticleScientificpeer-review

Biomass
Gases
Tar
Gasification
Temperature

Producing simulated tar-laden gasification gas by ethane pyrolysis

Tuomi, S., Kaisalo, N., Koskinen-Soivi, M-L. & Simell, P., 2014.

Research output: Contribution to conferenceOther conference contributionScientific

Tar
Ethane
Gasification
Pyrolysis
Gases

Techno-economic study on bio-SNG and hydrogen production and recent advances in high temperature gas cleaning

Simell, P., Hannula, I., Tuomi, S., Kurkela, E., Hiltunen, I., Kaisalo, N. & Kihlman, J., 2014, Proceedings of the 1st international Conference on Renewable Energy Gas Technology. Renewtech Energy Technology International AB, p. 39-40

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Hydrogen production
Cleaning
Economics
Gases
Tar
2013

Gasification concept testing for dual fluidized-bed based SNG process

Tuomi, S., Kurkela, E., Simell, P. & Kaisalo, N., 2013, Proceedings of the ICPS13: ICPS 2013, International Conference on Polygeneration Strategies 2013. Hofbauer, H. & Fuchs, M. (eds.). Wien, Austria: Vienna University of Technology, p. 17-28

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Gasification
Fluidized beds
Natural gas
Catalytic reforming
Steam

Methanol reformer development and testing for integration with a high temperature PEM fuel cell

Uusalo, H., Auvinen, S., Viitakangas, J., Pennanen, J., Ihonen, J. & Simell, P., 1 Jan 2013, EFC 2013 - Proceedings of the 5th European Fuel Cell Piero Lunghi Conference. Cigolotti, V., Barchiesi, C. & Chianella, M. (eds.). p. 49-50 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

Fuel cells
Methanol
Low temperature operations
Waste heat
Testing
2012
21 Citations (Scopus)

Polycyclic aromatic hydrocarbons in birch wood slow pyrolysis products

Fagernäs, L., Kuoppala, E. & Simell, P., 2012, In : Energy & Fuels. 26, 11, p. 6960-6970 19 p.

Research output: Contribution to journalArticleScientificpeer-review

Polycyclic Aromatic Hydrocarbons
Polycyclic aromatic hydrocarbons
Wood
Pyrolysis
Tars
2011
12 Citations (Scopus)

Precious metal catalysts in the clean-up of biomass gasification gas: Part 1: Monometallic catalysts and their impact on gasification gas composition

Rönkkönen, H., Simell, P., Reinikainen, M., Niemelä, M. & Krause, O., 2011, In : Fuel Processing Technology. 92, 8, p. 1457-1465 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Precious metals
Gasification
Biomass
Aromatic Hydrocarbons
Gases
14 Citations (Scopus)

Precious metal catalysts in the clean-up of biomass gasification gas: Part 2: Performance and sulfur tolerance of rhodium based catalysts

Rönkkönen, H., Simell, P., Niemelä, M. & Krause, O., 2011, In : Fuel Processing Technology. 92, 10, p. 1881-1889 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Rhodium
Precious metals
Gasification
Sulfur
Biomass
9 Citations (Scopus)

Thermal plasma-sprayed nickel catalysts in the clean-up of biomass gasification gas

Rönkkönen, H., Klemkaite, K., Khinsky, A., Baltusnikas, A., Simell, P., Reinikainen, M., Krause, O. & Niemelä, M., 2011, In : Fuel. 90, 3, p. 1076-1089 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Plasma Gases
Nickel
Gasification
Biomass
Gases
2010
26 Citations (Scopus)

Catalytic clean-up of gasification gas with precious metal catalysts: A novel catalytic reformer development

Rönkkönen, H., Simell, P., Reinikainen, M., Krause, O. & Veringa Niemelä, M., 2010, In : Fuel. 89, 11, p. 3272-3277 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Tars
Tar
Precious metals
Gasification
Gases
2009
50 Citations (Scopus)

Acidic and basic surface sites of zirconia-based biomass gasification gas clean-up catalysts

Viinikainen, T., Rönkkönen, H., Bradshaw, H., Stephenson, H., Airaksinen, S., Reinikainen, M., Simell, P. & Krause, O., 2009, In : Applied Catalysis A: General. 362, 1-2, p. 169-177 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Gasification
Zirconia
Biomass
Tars
Gases
8 Citations (Scopus)

Effect of gasification gas components on naphthalene decomposition over ZrO2

Rönkkönen, H., Rikkinen, E., Linnekoski, J., Simell, P., Reinikainen, M. & Krause, O., 2009, In : Catalysis Today. 147, Supplement 1, p. S230-S236 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Naphthalene
Gasification
Gases
Decomposition
Tars
18 Citations (Scopus)

The effect of sulfur on ZrO2-based biomass gasification gas clean-up catalysts

Rönkkönen, H., Simell, P., Reinikainen, M. & Krause, O., 2009, In : Topics in Catalysis. 52, 8, p. 1070 - 1078 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Gasification
Sulfur
Biomass
Gases
Catalysts
2008

Synteesikaasun ja puhtaan polttokaasun valmistus

Kurkela, E., Simell, P., McKeough, P. & Kurkela, M., 2008, Espoo: VTT Technical Research Centre of Finland. 59 p. (VTT Publications; No. 682).

Research output: Book/ReportReportProfessional

Open Access
gases
synthesis gas
2007
13 Citations (Scopus)

Dynamic Model of 5 kW SOFC CHP Test Station

Saarinen, J., Halinen, M., Ylijoki, J., Noponen, M., Simell, P. & Kiviaho, J., 2007, In : Journal of Fuel Cell Science and Technology. 4, 4, p. 397-405

Research output: Contribution to journalArticleScientificpeer-review

Solid oxide fuel cells (SOFC)
Dynamic models
Reforming reactions
Heat exchangers
Personal computers
4 Citations (Scopus)

Solid oxide fuel cell system development in VTT

Kiviaho, J., Halinen, M., Noponen, M., Saarinen, J., Simell, P. & Rosenberg, R., 2007, In : Journal of Fuel Cell Science and Technology. 4, 4, p. 392-396

Research output: Contribution to journalArticleScientificpeer-review

Solid oxide fuel cells (SOFC)
Demonstrations
Fuel cell power plants
Industry
Processing
2005
1 Citation (Scopus)

Combined heat and power production by novel fixed-bed gasification technology

Kurkela, E., Simell, P. & Haavisto, I., 29 Jul 2005, In : VDI Berichte. 1891, p. 223-232 10 p.

Research output: Contribution to journalArticleScientificpeer-review

Gasification
Biomass
Gases
Sawdust
Scrubbers
21 Citations (Scopus)

The selective oxidation of ammonia over alumina supported catalysts: Experiments and modelling

Jones, J. M., Pourkashanian, M., Williams, A., Backreedy, R. I., Darvell, L. I., Simell, P., Heiskanen, K. & Kilpinen, P., 2005, In : Applied Catalysis B: Environmental. 60, 1-2, p. 139 - 146 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Aluminum Oxide
Ammonia
Catalyst supports
aluminum oxide
Catalytic oxidation
2003
66 Citations (Scopus)

An investigation of alumina supported catalysts for the selective catalytic oxidation of ammonia in biomass gasification

Darvell, L. I., Heiskanen, K., Jones, J. M., Ross, A. B., Simell, P. & Williams, A., 2003, In : Catalysis Today. 81, 4, p. 681-692 12 p.

Research output: Contribution to journalArticleScientificpeer-review

hydrazine
Aluminum Oxide
Catalytic oxidation
Hydrazine
Gasification
2002
9 Citations (Scopus)

Guideline for sampling and analysis of tar and particles in biomass producer gases

Neeft, J., Knoef, H., Zielke, U., Sjöström, K., Hasler, P., Simell, P., Dorrington, M., Abatzoglou, N., Deutch, S., Greil, C., Buffinga, G-J., Brage, C. & Suomalainen, M., 2002, Progress in Thermochemical Biomass Conversion. Espoo: VTT Technical Research Centre of Finland

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Tar Guideline. A standard method for measurement of tars and particles in biomass producer gases

Neeft, J., Paasen, S. V., Knoef, H., Buffinga, G-J., Zielke, U., Sjöström, K., Brage, C., Hasler, P., Simell, P., Suomalainen, M., Dorrington, M. & Thomas, L., 2002, EUBCE Conference Proceedings 2002. ETA-Florence Renewable Energies, p. 469 - 472

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Gas producers
Tar
Biomass
Aerosols
Sampling
2001

Guideline for sampling and analysis of tars and particles in biomass producer gases

Neeft, J., Knoef, H., Buffinga, G-J., Zielke, U., Sjöström, K., Brage, C., Hasler, P., Simell, P., Suomalainen, M., Dorrington & Greil, C., 2001, Progress in Thermochemical Biomass Conversion. Bridgwater, A. V. (ed.). Blackwell Science, Vol. 1. p. 162-175

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Gas producers
Tar
Biomass
Sampling
Flow measurement
2000
1 Citation (Scopus)

Development of novel fixed-bed gasification for biomass residues and agrobiofuels

Kurkela, E., Simell, P., Ståhlberg, P., Berna, G., Barbagli, F. & Haavisto, I., 2000, Espoo: VTT Technical Research Centre of Finland. 45 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 2059).

Research output: Book/ReportReportProfessional

Open Access
Gasification
Biomass
Cleaning
Sawdust
Engines

Kaasutuskaasun puhdistaminen vesipesurilla

Suomalainen, M., Simell, P. & Kurkela, E., 2000, Espoo: VTT Technical Research Centre of Finland. 76 p. (VTT Energian Raportteja, Vol. 4/2000).

Research output: Book/ReportReportProfessional

108 Citations (Scopus)

Provisional protocol for the sampling and anlaysis of tar and particulates in the gas from large-scale biomass gasifiers: Version 1998

Simell, P., Ståhlberg, P., Kurkela, E., Albrecht, J., Deutsch, S. & Sjöström, K., 1 Jan 2000, In : Biomass and Bioenergy. 18, 1, p. 19-38 20 p.

Research output: Contribution to journalArticleScientificpeer-review

Tar
tar
particulates
Biomass
gases