| Catalytic hot gas cleaning of gasification gas P Simell, E Kurkela, P Ståhlberg, J Hepola Catalysis Today 27 (1-2), 55-62, 1996 | 269 | 1996 |
| Effects of gasification gas components on tar and ammonia decomposition over hot gas cleanup catalysts PA Simell, JO Hepola, AOI Krause Fuel 76 (12), 1117-1127, 1997 | 261 | 1997 |
| Catalytic purification of tarry fuel gas with carbonate rocks and ferrous materials PA Simell, JK Leppälahti, JB Bredenberg Fuel 71 (2), 211-218, 1992 | 230 | 1992 |
| Provisional protocol for the sampling and anlaysis of tar and particulates in the gas from large-scale biomass gasifiers. Version 1998 P Simell, P Ståhlberg, E Kurkela, J Albrecht, S Deutsch, K Sjöström Biomass and Bioenergy 18 (1), 19-38, 2000 | 198 | 2000 |
| Steam reforming of gasification gas tar over dolomite with benzene as a model compound PA Simell, EK Hirvensalo, VT Smolander, AOI Krause Industrial & Engineering Chemistry Research 38 (4), 1250-1257, 1999 | 177 | 1999 |
| Catalytic purification of tarry fuel gas PA Simell, JB Bredenberg Fuel 69 (10), 1219-1225, 1990 | 163 | 1990 |
| A review of catalytic aqueous-phase reforming of oxygenated hydrocarbons derived from biorefinery water fractions I Coronado, M Stekrova, M Reinikainen, P Simell, L Lefferts, J Lehtonen International journal of hydrogen energy 41 (26), 11003-11032, 2016 | 149 | 2016 |
| Guideline for sampling and analysis of tar and particles in biomass producer gases JPA Neeft, HAM Knoef, U Zielke, K Sjöström, P Hasler, PA Simell, ... Energy project ERK6-Ct199-2002 www. tarweb. net, 1999 | 146 | 1999 |
| Power-to-X technology using renewable electricity and carbon dioxide from ambient air: SOLETAIR proof-of-concept and improved process concept FV Vázquez, J Koponen, V Ruuskanen, C Bajamundi, A Kosonen, ... Journal of CO2 utilization 28, 235-246, 2018 | 136 | 2018 |
| Catalytic decomposition of gasification gas tar with benzene as the model compound PA Simell, NAK Hakala, HE Haario, AOI Krause Industrial & engineering chemistry research 36 (1), 42-51, 1997 | 133 | 1997 |
| Sulphur poisoning of nickel-based hot gas cleaning catalysts in synthetic gasification gas: II. Chemisorption of hydrogen sulphide J Hepola, P Simell Applied Catalysis B: Environmental 14 (3-4), 305-321, 1997 | 132 | 1997 |
| Sulphur poisoning of nickel-based hot gas cleaning catalysts in synthetic gasification gas: I. Effect of different process parameters J Hepola, P Simell Applied Catalysis B: Environmental 14 (3-4), 287-303, 1997 | 127 | 1997 |
| Tar-decomposing activity of carbonate rocks under high CO2 partial pressure PA Simell, JK Leppälahti, EA Kurkela Fuel 74 (6), 938-945, 1995 | 125 | 1995 |
| Zirconia: selective oxidation catalyst for removal of tar and ammonia from biomass gasification gas SJ Juutilainen, PA Simell, AOI Krause Applied Catalysis B: Environmental 62 (1-2), 86-92, 2006 | 122 | 2006 |
| Catalytic conversion of nitrogen compounds in gasification gas J Leppälahti, P Simell, E Kurkela Fuel Processing Technology 29 (1-2), 43-56, 1991 | 120 | 1991 |
| An investigation of alumina-supported catalysts for the selective catalytic oxidation of ammonia in biomass gasification LI Darvell, K Heiskanen, JM Jones, AB Ross, P Simell, A Williams Catalysis Today 81 (4), 681-692, 2003 | 113 | 2003 |
| Acidic and basic surface sites of zirconia-based biomass gasification gas clean-up catalysts T Viinikainen, H Rönkkönen, H Bradshaw, H Stephenson, S Airaksinen, ... Applied Catalysis A: General 362 (1-2), 169-177, 2009 | 95 | 2009 |
| Behaviour of tars on the filter in high temperature filtration of biomass-based gasification gas S Tuomi, E Kurkela, P Simell, M Reinikainen Fuel 139, 220-231, 2015 | 87 | 2015 |
| Development of simplified IGCC-processes for biofuels: supporting gasification research at VTT E Kurkela, P Ståhlberg, J Laatikainen, P Simell Bioresource technology 46 (1-2), 37-47, 1993 | 82 | 1993 |
| Updraft gasification of peat and biomass E Kurkela, P Ståhlberg, P Simell, J Leppälahti Biomass 19 (1-2), 37-46, 1989 | 80 | 1989 |
