Tor Laurén

Publications

Research output per year 2002 2014 2017 2025

• 20 Article
• 15 Published conference proceeding
• 2 Paper (not published)

Research output per year

Research output per year

Search results

• 2025

  Integrated Fractionation and Templating of Lignin Using Magnesium for Sustainable and Tailored Porous Carbon

  Robiños, A., Zhang, H., Mousavi, Z., Laurén, T., Smått, J.-H., Hupa, L., Xu, C. & Bobacka, J., 24 Apr 2025, (Accepted/In press) In: RSC Sustainability.

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

  Open Access

  • Lignin 100%
  • Magnesium 100%
  • Porous Carbon 100%
  • Fractionation 100%
  • Magnesia 100%
• 2024

  Low-temperature corrosion in a BFB boiler firing biomass and waste streams – Online measurement technique for monitoring deposit corrosivity

  Vainio, E., Ruozzi, A., Kinnunen, H., Laurén, T. & Hupa, L., 1 Sept 2024, In: Fuel. 371, p. 131864

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

  Open Access

  File
  1 Citation (Scopus)

  10 Downloads (Pure)
• 2023

  Changes in chlorine content over time – Probe deposit sampling in a Finnish kraft recovery boiler

  Balint, R., Engblom, M., Vainio, E., Laurén, T., Niemi, J., Rautala, J., Saarinen, T., Hupa, M. & Hupa, L., 15 May 2023, In: Fuel. 340, 127599.

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

  Open Access

  File

  • Recovery Boiler 100%
  • Steel Surface 100%
  • Scanning Electron Microscopy 100%
  • Flue Gas 100%
  • Sulfation 100%
  3 Citations (Scopus)

  88 Downloads (Pure)
• 2021

  Impact of boiler load and limestone addition on SO₃ and corrosive cold-end deposits in a coal-fired CFB boiler

  Vainio, E., Vänskä, K., Laurén, T., Yrjas, P., Coda Zabetta, E., Hupa, M. & Hupa, L., 15 Nov 2021, In: Fuel. 304, 121313.

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

  Open Access

  File

  • Fluidized Bed Combustion 100%
  • Fluidized Bed 100%
  • Sulfuric Acid 100%
  • Calcium Chloride 100%
  • Boiler 100%
  18 Citations (Scopus)

  237 Downloads (Pure)

• Superheater deposits and corrosion in temperature gradient – Laboratory studies into effects of flue gas composition, initial deposit structure, and exposure time

  Niemi, J., Engblom, M., Laurén, T., Yrjas, P., Lehmusto, J., Hupa, M. & Lindberg, D., 1 Aug 2021, In: Energy. 228, 120494.

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

  Open Access

  • Vaporization 100%
  • Initial Deposit 100%
  • Deposit Structure 100%
  • Temperature Gradient Zone Melting 100%
  • Superheater Deposits 100%
  19 Citations (Scopus)
• 2019

  Catalytic Role of Process Dust in SO2-to-SO3 Conversion in Flash Smelting Heat Recovery Boilers

  Lehmusto, J., Laurén, T. & Lindgren, M., 2019, In: JOM Journal of the Minerals, Metals and Materials Society. 71, 9, p. 3305–3313

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

  Open Access

  File
  12 Citations (Scopus)

  100 Downloads (Pure)
• 2018

  Experimental and modeling approaches to simulate temperature-gradient induced intradeposit chemical processes with implications for biomass boiler corrosion

  Lindberg, D., Niemi, J., Engblom, M., Laurén, T., Yrjas, P. & Hupa, M., 2018, 23rd International Conference on Fluidized Bed Conversion - Innovative Fluidized Bed Conversion Technology for a Sustainable Development. The Korean Institute of Chemical Engineers (KIChE), p. –

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

• The Effect of Deposit Temperature on the Catalytic SO₂-to-SO₃ Conversion in a Copper Flash Smelting Heat Recovery Boiler

  Lehmusto, J., Vainio, E., Laurén, T. & Lindgren, M., 2018, In: Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science. 49, 1, p. 434–439

  Research output: Contribution to journal › Article › Scientific › peer-review
  6 Citations (Scopus)
• 2017

  Bisulfate Formation and Impact on Low Temperature Corrosion in Kraft Recovery Boilers

  De Martini, N., Vainio, E., Laurén, T. & Hupa, L., 2017, Proceedings International Chemical Recovery Conference 2017. Pulp and Paper Technical Association of Canada, p. –

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

• Causes of low-temperature corrosion in CFB combustion of bituminous coal

  Vainio, E., Laurén, T., Yrjas, P., Hupa, M., Coda Zabetta, E. & Vänskä, K., 2017, Proceedings of the 12th International Conference on Fluidized Bed Technology. Nowak, W., Ściążko, M. & Mirek, P. (eds.). p. –

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

• Causes of low-temperature corrosion in combustion of bituminous coal

  Vainio, E., Vänskä, K., Laurén, T., Yrjas, P., Zabetta, E. C., Hupa, M. & Hupa, L., 2017, p. 663-670. 8 p.

  Research output: Contribution to conference › Paper (not published) › peer-review

  • Sulfuric Acid Resistance 100%
  • Low-temperature Corrosion 100%
  • Boiler 100%
  • Low-Temperature 100%
  • Bituminous Coal 100%
  1 Citation (Scopus)

• High-temperature corrosion due to lead chloride mixtures simulating fireside deposits in boilers firing recycled wood

  Kinnunen, H., Lindberg, D., Laurén, T., Uusitalo, M., Bankiewicz, D., Enestam, S. & Yrjas, P., 2017, In: Fuel Processing Technology. 167, p. 306–313 8 p.

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

• Understanding low-temperature corrosion in recovery boilers – Measurements at four mills

  Vainio, E., De Martini, N., Laurén, T., Orang, N., Tran, H. & Hupa, M., 2017, Proceedings International Chemical Recovery Conference 2017. Pulp and Paper Technical Association of Canada, p. –

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review
• 2016

  Effect of temperature gradient on composition and morphology of synthetic chlorine-containing biomass boiler deposits

  Lindberg, D., Niemi, J., Engblom, M., Yrjas, P., Laurén, T. & Hupa, M., 2016, In: Fuel Processing Technology. 141, Part 2, p. 285–298

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

• Low-temperature corrosion in co-combustion of biomass and solid recovered fuels

  Vainio, E., Kinnunen, H., Laurén, T., Brink, A., Yrjas, P., De Martini, N. & Hupa, M., 2016, In: Fuel. 184, p. 957–965 9 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  61 Citations (Scopus)
• 2015

  Alkali chloride transport within superheater deposits due to temperature gradients

  Niemi, J., Lindberg, D., Engblom, M., Laurén, T. & Hupa, M., 2015, Proceedings of the 22nd International Conference on Fluidized Bed Conversion. Bankiewicz, D., Mäkinen, M. & Yrjas, P. (eds.). Åbo Akademi University, p. 667–677

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

• Low temperature corrosion in co-combustion of biomass and solid recovered fuels

  Vainio, E., Kinnunen, H., Laurén, T., Brink, A., Yrjas, P., De Martini, N. & Hupa, M., 2015, 12th International Conference on Energy for a Clean Environment. Instituto Superior Técnico, p. – 8 p.

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

• Sulfuric acid induced dew point corrosion in BFB combustion of biomass?

  Vainio, E., Laurén, T., Kinnunen, H., Yrjas, P., Brink, A. & Hupa, M., 2015, Proceedings of the 22nd International Conference on Fluidized Bed Conversion. Bankiewicz, D., Mäkinen, M. & Yrjas, P. (eds.). Åbo Akademi University, p. 218–227

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review
• 2014

  Changes in Composition of Superheater Deposits due to Temperature Gradients

  Lindberg, D. K., Niemi, J. K., Engblom, M., Yrjas, P., Laurén, T. & Hupa, M., 2014, Proceedings: Impacts of Fuel Quality on Power Production. Harding, S. (ed.). EPRI, p. –

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

• Fate of bromine and chlorine in bubbling fluidized bed combustion - Formation of alkali halide aerosols

  Wu, H., Laurén, T., Yrjas, P., Vainikka, P. & Hupa, M., 2014, In: Fuel. 128, p. 390–395 6 p.

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

• Influence of deposit aging on superheater corrosion

  Lindberg, D. K., Engblom, M., Yrjas, P., Laurén, T., Lindholm, J. & Hupa, M., 2014, Proceedings of the 2014 International Chemical Recovery Conference. Nieminen, M. & Lampinen, P. (eds.). Suomen Soodakattilayhdistys / Finnish Recovery Boiler Committee, p. 101–113

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

• Sulfuric acid induced low temperature corrosion in recovery boilers

  Vainio, E., Laurén, T., De Martini, N., Brink, A. & Hupa, M., 2014, Proceedings of the 2014 International Chemical Recovery Conference. Nieminen, M. & Lampinen, P. (eds.). Suomen Soodakattilayhdistys / Finnish Recovery Boiler Committee, p. 189–203

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

• Towards better understanding of temperature gradients in superheater corrosion

  Engblom, M., Lindberg, D., Yrjas, P., Niemi, J., Laurén, T. & Hupa, M., 2014, p. 251-256. 6 p.

  Research output: Contribution to conference › Paper (not published) › peer-review

  • Superheater 100%
  • Temperature Gradient 100%
  • Superheater Corrosion 100%
  • Transport Rate 40%
  • Boiler 20%
  1 Citation (Scopus)

• TOWARDS BETTER UNDERSTANDING OF TEMPERATURE GRADIENTS IN SUPERHEATER CORROSION

  Engblom, M., Lindberg, D. K., Yrjas, P., Niemi, J. K., Laurén, T. & Hupa, M., 2014, 11th International Conference on Fluidized Bed Technology, CFB-11. Jinghai, L., Wei, F., Bao, X. & Wang, W. (eds.). Institute of Process Engineering, Chinese Academy of Sciences, p. –

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific

• Understanding low-temperature corrosion in recovery boilers: risk of sulphuric acid dew point corrosion?

  Vainio, E., Laurén, T., De Martini, N., Brink, A. & Hupa, M., 2014, In: J-For: the Journal of Science and Technology for Forest Products and Processes. 4, 6, p. 14–22

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

  20 Citations (Scopus)
• 2013

  The fate of chlorine, sulfur, and potassium during co-combustion of bark, sludge, and solid recovered fuel in an industrial scale BFB boiler

  Vainio, E., Yrjas, P., Zevenhoven, M., Brink, A., Laurén, T., Hupa, M., Kajolinna, T. & Vesala, H., 2013, In: Fuel Processing Technology. 105, p. 59–68 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  58 Citations (Scopus)
• 2011

  Role of ZnCl2 in High-Temperature Corrosion in a Bench-Scale Fluidized Bed Firing Simulated Waste Wood Pellets

  Bankiewicz, D. P., Alonso-Herranz, E., Yrjas, P., Laurén, T., Spliethoff, H. & Hupa, M., 2011, In: Energy and Fuels. 25, 8, p. 3476–3483 8 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  18 Citations (Scopus)
• 2010

  Development and application of a "one-minute" probe for measuring carry-over in a recovery boiler

  Vähä-Savo, N., Yrjas, P., Laurén, T. & Hupa, M., 2010, 2010 International Chemical Recovery Conference. p. 246-258 13 p. (International Chemical Recovery Conference; vol. 2).

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

  • Recovery Boiler 100%
  • Probe Surface 75%
  • Exposure Time 50%
  • Flue Gas 25%
  • Longer Term 25%
  1 Citation (Scopus)

• Development and Application of a Short-Time Probe for Measuring Carryover in a Recovery Boiler

  Vähä-Savo, N., Yrjas, P., Laurén, T. & Hupa, M., 2010, In: Journal of Pulp and Paper Science. 36, 3-4, p. 143–150 8 p.

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

• In-furnace temperature and heat flux mapping in a kraft recovery boiler

  Brink, A., Laurén, T., Hupa, M., Koschack, R. & Mueller, C., 2010, In: Tappi Journal. 9, 9, p. 7–11 5 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
• 2008

  Effect of ammonia injection on black liquor recovery boiler NO_x emissions and ash chemistry

  Lundberg, M., Niemi, P., Maîtrejean, L., Yrjas, P., Laurén, T., Brink, A. & Hupa, M., 2008, TAPPI Press - Engineering, Pulping and Environmental Conference 2008. p. 1437-1458 22 p. (TAPPI Press - Engineering, Pulping and Environmental Conference 2008; vol. 2).

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

  • Ammonia Injection 100%
  • Ash Chemistry 100%
  • Recovery Boiler 100%
  • Black Liquor 100%
  • Ammonia Addition 50%
  1 Citation (Scopus)
• 2007

  Development and evaluation of a long-term deposit probe for on-line monitoring of deposit growth

  Brink, A., Laurén, T., Yrjas, P., Hupa, M. & Friesenbichler, J., 2007, In: Fuel Processing Technology. 88, 11-12, p. 1129–1135 7 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  7 Citations (Scopus)
• 2005

  The Abo Akademi database "ash behavior measurements in full-scale boilers"

  Skrifvars, B. J., Laurén, T., Yrjas, P., Hupa, M. & Dittrich, M., 2005, Proceedings of the 18th International Conference on Fluidized Bed Combustion, 2005. American Society of Mechanical Engineers, p. 573-579 7 p. FBC2005-78140. (Proceedings of the 18th International Conference on Fluidized Bed Combustion, 2005).

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

  • Ash Behavior 100%
  • Behavior Measurement 100%
  • Boiler 100%
  • Full Scale 100%
  • Boiler Ash 50%
  3 Citations (Scopus)

• The Abo Akademi database of ash behavior measurements in full-scale boilers

  Skrifvars, B., Yrjas, P., Laurén, T., Hupa, M. & Dittrich, M., 2005, Proceedings of the 18th International Conference on Fluidized Bed Combustion. Jia, L. (ed.). American Society of Mechanical Engineers, ASME, p. 573–579

  Research output: Chapter in Book/Conference proceeding › Published conference proceeding › Scientific › peer-review

• The fouling behavior of rice husk ash in fluidized-bed combustion. 2. Pilot-scale and full-scale measurements

  Skrifvars, B., Yrjas, P., Laurén, T., Kinni, J., Tran, H. & Hupa, M., 2005, In: Energy and Fuels. 19, 4, p. 1512–1519 8 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  41 Citations (Scopus)
• 2004

  Ash behaviour in a pulverized wood fired boiler—a case study

  Skrifvars, B., Laurén, T., Hupa, M., Korbee, R. & Ljung, P., 2004, In: Fuel. 83, 10, p. 1371–1379 9 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  63 Citations (Scopus)
• 2002

  Dust and flue gas chemistry during rapid changes in the operation of black liquor recovery boilers: Part 2 - Dust composition

  Tamminen, T., Laurén, T., Janka, K. & Hupa, M., 2002, In: Tappi Journal. 1, 6, p. 25–29 5 p.

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

  13 Citations (Scopus)