• Ash behaviour of wheat straw blends with wood and reedLink, Siim; Yrjas, Patrik; Hupa, L.Venice 2016 - Sixth International Symposium on Energy from Biomass and Waste : proceedings2016 / p. D4-499
• Ash melting behaviour of wheat straw blends with wood and reedLink, Siim; Yrjas, Patrik; Hupa, LeenaRenewable Energy2018 / p. 11-20 : ill https://doi.org/10.1016/j.renene.2017.09.050 https://www.scopus.com/sourceid/27569 https://www.scopus.com/record/display.uri?eid=2-s2.0-85029619704&origin=inward&txGid=cebd360a375d65e9c29a7a096c40e7ba https://jcr.clarivate.com/jcr-jp/journal-profile?journal=RENEW%20ENERG&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000431934700003
• Catalytic effect of oil shale ash on CO2 gasification of leached wheat straw and reed charsLink, Siim; Tran, Khanh-Quang; Bach, Quang-Vu; Yrjas, Patrik; Rosin, ArgoEnergy2018 / p. 906-913 https://doi.org/10.1016/j.energy.2018.04.013 https://www.scopus.com/sourceid/29348 https://www.scopus.com/record/display.uri?eid=2-s2.0-85047608666&origin=inward&txGid=76bea283ef04039731a8f261610d1de7 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ENERGY&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000432760200078
• Characterization of ash melting of reed and wheat straw blendLink, Siim; Yrjas, Patrik; Lindberg, Daniel; Trikkel, AndresACS omega2022 / p. 2137-2146 : ill https://doi.org/10.1021/acsomega.1c05087 https://www.scopus.com/sourceid/21100828963 https://www.scopus.com/record/display.uri?eid=2-s2.0-85123778899&origin=inward&txGid=e86587e28bf3dfe84dffc44e548babcb https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ACS%20OMEGA&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000742184300001
• Determination and comparison of ash melting temperature of a biomass blend by laboratory methods and thermodynamic modellingLink, Siim; Yrjas, Patrik; Lindberg, Daniel; Trikkel, Andres28th European Biomass Conference and Exhibition : 6-9 July 2020 (Virtual), Marseille, France : proceedings2020 / p. 322-328 https://doi.org/10.5071/28thEUBCE2020-2BV.2.1
• Effect of leaching pre-treatment on the char reactivity of pyrolyzed wheat straw [Electronic resource]Link, Siim; Arvelakis, Stelios; Paist, Aadu; Hupa, Mikko; Yrjas, Patrik; Külaots, Indrek17th European Biomass Conference & Exhibition : from Research to Industry and Markets : proceedings of the International Conference held in Hamburg, Germany, 29 June - 3 July 20092009 / p. 1113-1121 [DVD]
• Impact of the blending method on the melting characteristics of ashes of biomass blendsLink, Siim; Yrjas, Patrik; Hupa, L.25th European Biomass Conference and Exhibition : 12-15 June 2017, Stockholm, Sweden : proceedings2017 / p. 547-551 https://doi.org/10.5071/25thEUBCE2017-2BV.1.13 https://www.scopus.com/sourceid/21100814500 https://www.scopus.com/record/display.uri?eid=2-s2.0-85043755655&origin=inward&txGid=16cf918998fd7efac3e8c0f5257b044d https://www.webofscience.com/wos/woscc/full-record/WOS:000461835100102
• Reactivity of the biomass chars originating from reed, douglas fir, and pineLink, Siim; Arvelakis, Stelios; Hupa, Mikko; Yrjas, Patrik; Külaots, Indrek; Paist, AaduEnergy & fuels2010 / 12, p. 6533-6539 https://pubs.acs.org/doi/abs/10.1021/ef100926v
• Reed as gasification fuel compared to woody fuelsLink, Siim; Kask, Ülo; Paist, Aadu; Arvelakis, Stelios; Hupa, Mikko; Yrjas, Patrik; Külaots, IndrekInternational Conference on the Utilization of Emergent Wetland Plants. Reed as a Renewable Resource, Greifswald, Germany, February 14-162013 http://mires-and-peat.net/media/map13/map_13_04.pdf
• Sulphation of Estonian and Israeli oil shale ashes under atmospheric and pressurized combustion conditionsKülaots, Indrek; Ots, Arvo; Yrjas, Patrik; Hupa, Mikko; Backman, P.Oil shale1997 / 3, p. 265-283: ill https://artiklid.elnet.ee/record=b2315277*est
• Sulphation of oil shale ash under atmospheric and pressurized combustion conditionsKülaots, Indrek; Yrjas, Patrik; Hupa, Mikko; Ots, Arvo1995 https://www.ester.ee/record=b2087107*est