Pekka Simell

1988 …2021
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Research Output 1988 2019

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Article
2019
1 Citation (Scopus)

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
9 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

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
11 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
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
44 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
11 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
35 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
11 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
11 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
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
2012
24 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
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
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
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
27 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
51 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
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
22 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
2000
110 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
1999
106 Citations (Scopus)

Steam reforming of gasification gas tar over dolomite with benzene as a model compound

Simell, P., Hirvensalo, E., Smolander, V. & Krause, A., 1999, In : Industrial & Engineering Chemistry Research. 38, 4, p. 1250-1257 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Tars
Steam reforming
Tar
Benzene
Gasification
1997
70 Citations (Scopus)

Catalytic decomposition of gasification gas tar with benzene as the model compound

Simell, P., Hakala, N., Haario, H. & Krause, A., 1997, In : Industrial & Engineering Chemistry Research. 36, 1, p. 42 - 45 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Tars
Tar
Benzene
Gasification
Gases
148 Citations (Scopus)

Effects of gasification gas components on tar and ammonia decomposition over hot gas cleanup catalysts

Simell, P., Hepola, J. & Krause, A., 1997, In : Fuel. 76, 12, p. 1117 - 1127 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Tars
Tar
Nickel
Gasification
Ammonia
82 Citations (Scopus)

Sulphur poisoning of nickel-based hot gas cleaning catalysts in synthetic gasification gas: II. Chemisorption of hydrogen sulphide

Hepola, J. & Simell, P., 1997, In : Applied Catalysis B: Environmental. 14, 3-4, p. 305 - 321 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Catalyst poisoning
Hydrogen Sulfide
Hydrogen sulfide
Chemisorption
hydrogen sulfide
74 Citations (Scopus)

Sulphur poisoning of nickel-based hot gas cleaning catalysts in synthetic gasification gas: I. Effect of different process parameters

Hepola, J. & Simell, P., 1997, In : Applied Catalysis B: Environmental. 14, 3-4, p. 287 - 303 17 p.

Research output: Contribution to journalArticleScientificpeer-review

Catalyst poisoning
poisoning
Nickel
Gasification
Sulfur
1996
120 Citations (Scopus)

Catalytic hot gas cleaning of gasification gas

Simell, P., Kurkela, E., Ståhlberg, P. & Hepola, J., 1996, In : Catalysis Today. 27, 1-2, p. 55-62 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Tars
Tar
Gasification
Ammonia
Cleaning
1995
75 Citations (Scopus)

Tar-decomposing activity of carbonate rocks under high CO2 partial pressure

Simell, P., Leppälahti, J. & Kurkela, E., 1995, In : Fuel. 74, 6, p. 938-945

Research output: Contribution to journalArticleScientificpeer-review

Tars
Carbonates
Tar
Partial pressure
Rocks
1993
44 Citations (Scopus)

Development of simplified IGCC-processes for biofuels: Supporting gasification research at VTT

Kurkela, E., Ståhlberg, P., Laatikainen, J. & Simell, P., 1993, In : Bioresource Technology. 46, 1 - 2, p. 37 - 48 12 p.

Research output: Contribution to journalArticleScientificpeer-review

Biofuels
Gasification
biofuel
Cleaning
Gases
1992
132 Citations (Scopus)

Catalytic purification of tarry fuel gas with carbonate rocks and ferrous materials

Simell, P., Leppälahti, J. & Bredenberg, J., 1992, In : Fuel. 71, 2, p. 211-217 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Gas fuels
Carbonates
Purification
Tars
Rocks
1991
85 Citations (Scopus)

Catalytic conversion of nitrogen compounds in gasification gas

Leppälahti, J., Simell, P. & Kurkela, E., 1991, In : Fuel Processing Technology. 29, 1-2, p. 43 - 56 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Nitrogen Compounds
Nitrogen compounds
Gasification
Gases
Ammonia
1990
83 Citations (Scopus)

Catalytic purification of tarry fuel gas

Simell, P. & Bredenberg, J., 1990, In : Fuel. 69, 10, p. 1219-1225

Research output: Contribution to journalArticleScientificpeer-review

Tars
Gas fuels
Tar
Purification
Gases
1989
35 Citations (Scopus)

Updraft gasification of peat and biomass

Kurkela, E., Ståhlberg, P., Simell, P. & Leppälahti, J., 1989, In : Biomass. 19, 1-2, p. 37-46

Research output: Contribution to journalArticleScientific

Peat
updraft
Gasification
peat
Biomass