Find Research outputs

Search results

• 2021

  Activated Carbons for Syngas Desulfurization: Evaluating Approaches for Enhancing Low-Temperature H₂S Oxidation Rate

  Frilund, C., Hiltunen, I. & Simell, P., 11 May 2021, In: ChemEngineering. 5, 2, 18 p., 23.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  15 Downloads (Pure)

• Atomic layer deposition coated filters in catalytic filtration of gasification gas

  Viertiö, T., Kivelä, V., Putkonen, M., Kihlman, J. & Simell, P., Jun 2021, In: Catalysts. 11, 6, 688.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Circulating fluidized bed gasification of solid recovered fuels - Results from gasification and gas filtration tests

  Kurkela, E., Kurkela, M., Nieminen, M. & Laatikainen-Luntama, J., 2021, In: Chemical Engineering Transactions. 86, p. 19-24 6 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Constrained Thermochemistry for Process Digitalization

  Nappa, M. (ed.), Koukkari, P. (ed.), Pajarre, R., Penttilä, K., Nappa, M., Blomberg, P., Roth, A., Kangas, P. & Koukkari, P., 15 Jun 2021, VTT Technical Research Centre of Finland. 83 p. (VTT Research Report; No. VTT-R-01210-20).

  Research output: Book/Report › Report

  Open Access

  File
  34 Downloads (Pure)

• Correction to: Development of a simplified gas ultracleaning process: experiments in biomass residue‑based fixed‑bed gasification syngas (Biomass Conversion and Biorefinery, (2021), 10.1007/s13399-021-01680-x)

  Frilund, C., Kurkela, E. & Hiltunen, I., 17 Aug 2021, In: Biomass Conversion and Biorefinery.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Development of a simplified gas ultracleaning process: experiments in biomass residue-based fixed-bed gasification syngas

  Frilund, C., Kurkela, E. & Hiltunen, I., 10 Jul 2021, (E-pub ahead of print) In: Biomass Conversion and Biorefinery. 12 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  6 Downloads (Pure)

• Drivers and barriers in retrofitting pulp and paper industry with bioenergy for more efficient production of liquid, solid and gaseous biofuels: A review

  Mäki, E., Saastamoinen, H., Melin, K., Matschegg, D. & Pihkola, H., May 2021, In: Biomass and Bioenergy. 148, 106036.

  Research output: Contribution to journal › Review Article › Scientific › peer-review

  Open Access

  File
  20 Downloads (Pure)

• Elastic Modulus, Thermal Expansion, and Pyrolysis Shrinkage of Norway Spruce Under High Temperature

  Adibaskoro, T., Makowska, M., Rinta-Paavola, A., Fortino, S. & Hostikka, S., Sep 2021, In: Fire Technology. 57, 5, p. 2451-2490 40 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Fast and quantitative compositional analysis of hybrid cellulose-based regenerated fibers using thermogravimetric analysis and chemometrics

  Guizani, C., Trogen, M., Zahra, H., Pitkänen, L., Moriam, K., Rissanen, M., Mäkelä, M., Sixta, H. & Hummel, M., Jul 2021, In: Cellulose. 28, 11, p. 6797–6812 16 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Fast Pyrolysis of Hydrolysis Lignin in Fluidized Bed Reactors

  Pienihäkkinen, E., Lindfors, C., Ohra-aho, T., Lehtonen, J., Granström, T., Yamamoto, M. & Oasmaa, A., 1 Sep 2021, (E-pub ahead of print) In: Energy & Fuels. 12 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Flexible Hybrid Process for Combined Production of Heat, Power and Renewable Feedstock for Refineries: Managing seasonal energy supply and demand for heat and power in Europe

  Kurkela, E., Kurkela, M., Frilund, C., Hiltunen, I., Rollins, B. & Steele, A., 2021, In: Johnson Matthey Technology Review. 65, 2, p. 333–345

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• High-temperature decomposition of amorphous and crystalline cellulose: reactive molecular simulations

  Paajanen, A., Rinta-Paavola, A. & Vaari, J., Sep 2021, In: Cellulose. 28, 14, p. 8987-9005 19 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File

• Historical Review on VTT Fast Pyrolysis Bio-oil Production and Upgrading

  Oasmaa, A., Lehto, J., Solantausta, Y. & Kallio, S., 2021, In: Energy and Fuels. 35, 7, p. 5683−5695

  Research output: Contribution to journal › Review Article › Scientific › peer-review

  Open Access

  File
  20 Downloads (Pure)

• Inkjet-Printed Ternary Oxide Dielectric and Doped Interface Layer for Metal-Oxide Thin-Film Transistors with Low Voltage Operation

  Gillan, L., Li, S., Lahtinen, J., Chang, C. H., Alastalo, A. & Leppäniemi, J., 23 Jun 2021, In: Advanced Materials Interfaces. 8, 12, 2100728.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  1 Downloads (Pure)

• Intercomparison exercise on difficult to measure radionuclides in activated concrete—statistical analysis and comparison with activation calculations

  Leskinen, A., Gautier, C., Räty, A., Kekki, T., Laporte, E., Giuliani, M., Bubendorff, J., Laurila, J., Kurhela, K., Fichet, P. & Salminen-Paatero, S., Aug 2021, In: Journal of Radioanalytical and Nuclear Chemistry. 329, 2, p. 945-958 14 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  1 Downloads (Pure)

• Manufacture of all-wood sawdust-based particle board using ionic liquid-facilitated fusion process

  Orelma, H., Tanaka, A., Khakalo, A. & Korpela, A., Mar 2021, In: Wood Science and Technology. 55, p. 331-349

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  6 Downloads (Pure)

• Modified and unmodified technical lignins as flame retardants for polypropylene

  Widsten, P., Tamminen, T., Paajanen, A., Hakkarainen, T. & Liitiä, T., 1 Jun 2021, In: Holzforschung. 75, 6, p. 584-590 7 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Pilot-scale development of pressurized fixed-bed gasification for synthesis gas production from biomass residues

  Kurkela, E., Kurkela, M. & Hiltunen, I., 4 May 2021, (E-pub ahead of print) In: Biomass Conversion and Biorefinery.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Process concept for flexible production of renewable transportation fuels and heat: Results for the pilot scale process validation tests

  Kurkela, E., Kurkela, M., Frilund, C., Hiltunen, I. & Tuomi, S., 2021, VTT Technical Research Centre of Finland. 42 p. (VTT Technology; No. 387).

  Research output: Book/Report › Report

  Open Access

• Production of Endotoxin-Free Microbial Biomass for Food Applications by Gas Fermentation of Gram-Positive H₂-Oxidizing Bacteria

  Nyyssölä, A., Ojala, L., Wuokko, M., Peddinti, G., Tamminen, A., Tsitko, I., Nordlund, E. & Lienemann, M., 16 Apr 2021, In: ACS Food Science & Technology. 1, 3, p. 470-479

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  20 Downloads (Pure)

• Production of synthesis gas from biomass residues by staged fixed-bed gasification - results from pilot test campaigns

  Kurkela, E., Kurkela, M. & Hiltunen, I., 2021, In: Chemical Engineering Transactions. 86, p. 7-12 6 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Small- to medium-scale deep syngas purification: Biomass-to-liquids multi-contaminant removal demonstration

  Frilund, C., Tuomi, S., Kurkela, E. & Simell, P., May 2021, In: Biomass and Bioenergy. 148, 10 p., 106031.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  2 Citations (Scopus)

  24 Downloads (Pure)

• The impact of thermomechanical pulp fiber modifications on thermoplastic lignin composites

  Lahtinen, M. H., Ojala, A., Wikström, L., Nättinen, K., Hietala, S., Fiskari, J. & Kilpeläinen, I., Oct 2021, In: Composites Part C: Open Access. 6, 100170.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  8 Downloads (Pure)

• Toward a sustainable plastics value chain: Core conundrums and emerging solution mechanisms for a systemic transition

  Siltaloppi, J. & Jähi, M., 15 Sep 2021, In: Journal of Cleaner Production. 315, 128113.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  8 Downloads (Pure)
• 2020

  A Circular Economy of Plastics: A vision of redesigning plastics value chains

  Tenhunen, A. (ed.) & Pöhler, H. (ed.), 2020, VTT Technical Research Centre of Finland. 40 p. (VTT Discussion paper).

  Research output: Book/Report › Report

  Open Access

  File
  212 Downloads (Pure)

• Activated Carbons from Fast Pyrolysis Biochar as Novel Catalysts for the Post-Treatment of Pyrolysis Vapors, Studied by Analytical Pyrolysis

  Ohra-aho, T., Lindfors, C., Lehtonen, J., Tamminen, T. & Siipola, V., 20 Oct 2020, In: C . 6, 4, 65.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Air-steam Gasification of Poultry Litter in a Bubbling Fluidised Bed Reactor

  Pandey, D. S., Katsaros, G., Tuomi, S. & Tassou, S. A., Sep 2020, Proceedings of the 28th European Biomass Conference and Exhibition. ETA-Florence Renewable Energies, p. 434-439 (European Biomass Conference and Exhibition Proceedings, Vol. 28).

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• Big problem, little answer: Overcoming bed agglomeration and reactor slagging during the gasification of barley straw under continuous operation

  Alabdrabalameer, H. A., Taylor, M. J., Kauppinen, J., Soini, T., Pikkarainen, T. & Skoulou, V., 2020, In: Sustainable Energy and Fuels. 4, 7, p. 3764-3772

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  2 Citations (Scopus)

• Biocarbon from bark or black pellets as an alternative for coal in steelmaking–techno-economic evaluation

  Hakala, J., Kangas, P., Rintala, L., Fabritius, T. & Koukkari, P., Dec 2020, In: Scandinavian Journal of Forest Research. 35, 8, p. 532-546 15 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• Carbon corrosion properties and performance of multi-walled carbon nanotube support with and without nitrogen-functionalization in fuel cell electrodes

  Kanninen, P., Eriksson, B., Davodi, F., Buan, M. E. M., Sorsa, O., Kallio, T. & Lindström, R. W., 1 Feb 2020, In: Electrochimica Acta. 332, 135384.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  11 Citations (Scopus)

• Chemical routes for recycling—dissolving, catalytic, and thermochemical technologies

  Pohjakallio, M., Vuorinen, T. & Oasmaa, A., 2020, Plastic Waste and Recycling: Environmental Impact, Societal Issues, Prevention, and Solutions. Letcher, T. (ed.). Academic Press, p. 359-384

  Research output: Chapter in Book/Report/Conference proceeding › Chapter or book article › Scientific

• CHEMPLAST: Kansallisten EoW-asetusten mahdollisuudet muovijätteiden kemiallisen kierrätyksen edistämisessä

  Teittinen, T., Wahlström, M., Pohjakallio, M. & Vaajasaari, K., 1 Jan 2020, VTT Technical Research Centre of Finland. 75 p. (VTT Asiakasraportti; No. VTT-CR-01281-19).

  Research output: Book/Report › Report

  Open Access

  File
  254 Downloads (Pure)

• Computational Studies on Cellulose: Pyrolysis, Nanostructure and Hydrodynamic Behaviour: Dissertation

  Paajanen, A., 25 Jan 2020, University of Helsinki. 77 p.

  Research output: Thesis › Dissertation

  Open Access

• Desulfurization of Biomass Syngas Using ZnO-Based Adsorbents: Long-Term Hydrogen Sulfide Breakthrough Experiments

  Frilund, C., Simell, P., Kaisalo, N., Kurkela, E. & Koskinen-Soivi, M. L., 19 Mar 2020, In: Energy and Fuels. 34, 3, p. 3316-3325 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  12 Citations (Scopus)

• Determination of hemicellulose, cellulose, and lignin content in different types of biomasses by thermogravimetric analysis and pseudocomponent kinetic model (TGA-PKM Method)

  Díez, D., Urueña, A., Piñero, R., Barrio, A. & Tamminen, T., Sep 2020, In: Processes. 8, 9, 21 p., 1048.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  2 Citations (Scopus)

  17 Downloads (Pure)

• Experimental Bench-Scale Study of Residual Biomass Syngas Desulfurization Using ZnO-Based Adsorbents

  Frilund, C., Simell, P., Kurkela, E. & Eskelinen, P., 28 Feb 2020, In: Energy & Fuels. 34, 3, p. 3326–3335

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

• Fire simulations of a fishing research vessel with FRP structures

  Tissari, A., Korhonen, T., Kling, T., Korkealaakso, A. & Hakkarainen, T., 1 Jan 2020, International Conference on Marine Design 2020: Papers. Royal Institution of Naval Architects RINA, p. 125-133

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Gasification-based thermal treatment of Low and Intermediate Level Waste containing organic matter

  Nieminen, M., Laatikainen-Luntama, J. & Olin, M., 1 Apr 2020, In: IOP Conference Series: Materials Science and Engineering. 818, 1, 6 p., 012007.

  Research output: Contribution to journal › Article in a proceedings journal › Scientific › peer-review

  Open Access

• Geopolymerisation of gasified ion-exchange resins, mechanical properties and short-term leaching studies

  Vehmas, T., Myllykyla, E., Nieminen, M., Laatikainen-Luntama, J., Leivo, M. & Olin, M., 1 Apr 2020, In: IOP Conference Series: Materials Science and Engineering. 818, 1, 9 p., 012017.

  Research output: Contribution to journal › Article in a proceedings journal › Scientific › peer-review

  Open Access

• Hydrogen enhanced biofuels for transport via fast pyrolysis of biomass: A conceptual assessment

  Onarheim, K., Hannula, I. & Solantausta, Y., 15 May 2020, In: Energy. 199, 117337.

  Research output: Contribution to journal › Article › Scientific › peer-review
  8 Citations (Scopus)

• Lignin-Based Sunscreens: State-of-the-Art, Prospects and Challenges

  Widsten, P., 6 Nov 2020, In: Cosmetics. 7, 4, 8 p., 85.

  Research output: Contribution to journal › Review Article › Scientific › peer-review

  Open Access

  File
  1 Citation (Scopus)

  49 Downloads (Pure)

• Low-Cost Biochar Adsorbents for Water Purification Including Microplastics Removal

  Siipola, V., Pflugmacher, S., Romar, H., Wendling, L. & Koukkari, P., 1 Feb 2020, In: Applied Sciences. 10, 3, p. 788 18 p., 788.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  11 Citations (Scopus)

• Mapping Bioenergy Retrofitting in Europe's Industry: BIOFIt First Results

  Reumerman, P., Rutz, D., Janssen, R., Bacovsky, D., Gröngröft, A., Saastamoinen, H., Mäki, E. & Karampinis, E., Oct 2020.

  Research output: Contribution to conference › Conference Poster › Scientific › peer-review

  Open Access

  File
  5 Downloads (Pure)

• Performance of Liquids from Slow Pyrolysis and Hydrothermal Carbonization in Plant Protection

  Hagner, M., Tiilikkala, K., Lindqvist, I., Niemelä, K., Wikberg, H., Källi, A. & Rasa, K., 1 Mar 2020, In: Waste and Biomass Valorization. 11, 3, p. 1005-1016

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  9 Citations (Scopus)

• Pyrolysis of plastic waste: Opportunities and challenges

  Qureshi, M. S., Oasmaa, A., Pihkola, H., Deviatkin, I., Tenhunen, A., Mannila, J., Minkkinen, H., Pohjakallio, M. & Laine-Ylijoki, J., Nov 2020, In: Journal of Analytical and Applied Pyrolysis. 152, 104804.

  Research output: Contribution to journal › Article › Scientific › peer-review
  43 Citations (Scopus)

• Results of the International Energy Agency Bioenergy Round Robin on the Analysis of Heteroatoms in Biomass Liquefaction Oils

  Bulsink, P., De Miguel Mercader, F., Sandström, L., Van De Beld, B., Preto, F., Zacher, A., Oasmaa, A., Dahmen, N., Funke, A. & Bronson, B., 17 Sep 2020, In: Energy and Fuels. 34, 9, p. 11123–11133

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  1 Citation (Scopus)

• Roll-to-roll gravure-printed flexible perovskite solar cells using eco-friendly antisolvent bathing with wide processing window

  Kim, Y. Y., Yang, T. Y., Suhonen, R., Kemppainen, A., Hwang, K., Jeon, N. J. & Seo, J., 13 Oct 2020, In: Nature Communications. 11, 1, 5146.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  20 Citations (Scopus)

  18 Downloads (Pure)

• Sub- And supercritical water liquefaction of kraft lignin and black liquor derived lignin

  Lappalainen, J., Baudouin, D., Hornung, U., Schuler, J., Melin, K., Bjelić, S., Vogel, F., Konttinen, J. & Joronen, T., 28 Jul 2020, In: Energies. 13, 13, 42 p., 3309.

  Research output: Contribution to journal › Review Article › Scientific › peer-review

  Open Access

  File
  9 Citations (Scopus)

  60 Downloads (Pure)

• Succession of physiological stages hallmarks the transcriptomic response of the fungus Aspergillus niger to lignocellulose

  Van Munster, J. M., Daly, P., Blythe, M. J., Ibbett, R., Kokolski, M., Gaddipati, S., Lindquist, E., Singan, V. R., Barry, K. W., Lipzen, A., Ngan, C. Y., Petzold, C. J., Chan, L. J. G., Arvas, M., Raulo, R., Pullan, S. T., Delmas, S., Grigoriev, I. V., Tucker, G. A., Simmons, B. A. & 1 others, Archer, D. B., 13 Apr 2020, In: Biotechnology for Biofuels. 13, 1, p. 69 16 p., 69.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  1 Citation (Scopus)

  10 Downloads (Pure)

• Sustainability of port operations: The European ports’ attempts to reduce negative environmental impacts

  Hinkka, V., Mäkinen, R., Eckhardt, J. & Lastusilta, T., 27 Apr 2020, Proceedings of TRA2020,the 8th Transport Research Arena: Rethinking transport – towards cleanand inclusive mobility. Lusikka, T. (ed.). Finnish Transport Agency, (Traficom Research Reports; No. 7/2020).

  Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Scientific

  Open Access

  File
  120 Downloads (Pure)