• Rusanen A ,Lappalainen K, Kärkkäinen J, Tuuttila T, Mikola M, Lassi U (2018) Selective hemicellulose hydrolysis of Scots pine sawdust, Biomass Conversion and Biorefinery (in press)
  • Runtti H; Tuomikoski S; Pesonen J; Tolonen E-T; Luukkonen T; Näppä J; Tanskanen P; Lassi U (2018) Utilization of by-products from mine industry as sorbents in water treatment, In: Proceedings of Mine Water and Circular Economy IMWA2017  Wolkersdorfer C, Sartz L, Sillanpää M, Häkkinen A (Editors), pp.1334-1340.
  • Runtti, H.; Tolonen, E.-T.; Tuomikoski, S.; Luukkonen, T.; Lassi, U. (2018) How to tackle the stringent sulfate removal requirements in mine water treatment—A review of potential methods. - Environmental research 167, 207-222 . https://doi.org/10.1016/j.envres.2018.07.018
  • Juhola, Riikka; Runtti, Hanna; Kangas, Teija; Hu, Tao; Romar, Henrik; Tuomikoski, Sari (2018) Bisphenol A removal from water by biomass-based carbon : isotherms, kinetics and thermodynamics studies. - Environmental technology https://doi.org/10.1080/09593330.2018.1515990
  • Toloue Farrokh, Najibeh; Suopajärvi, Hannu; Mattila, Olli; Umeki, Kentaro; Phounglamcheik, Aekjuthon; Romar, Henrik; Sulasalmi, Petri; Fabritius, Timo (2018) Slow pyrolysis of by-product lignin from wood-based ethanol production - A detailed analysis of the produced chars. - Energy 164, 112-123 . https://doi.org/10.1016/j.energy.2018.08.161
  • Dong, Yue; Takeshita, Tokio; Miyafuji, Hisashi; Nokami, Toshiki; Itoh, Toshiyuki (2018) Direct extraction of polysaccharides from moso bamboo (Phylostachys heterocycla) chips using a mixed solvent system of an amino acid ionic liquid with polar aprotic solvent. - Bulletin of the Chemical Society of Japan 91 (3), 398-404 . http://dx.doi.org/10.1246/bcsj.20170383
  • Rajaniemi K, Raulio M, Tuomikoski S, Lassi U (2018) Electrocoagulation in the treatment of authentic paint industry wash wastewater: Comparison of batch and continuous processes, In: Proceedings of 5th  International Conference on Small and Decentralized Water and Wastewater Treatment Plants.
  • Bergna, Davide; Varila, Toni; Romar, Henrik; Lassi, Ulla (2018) Comparison of the Properties of Activated Carbons Produced in One-Stage and Two-Stage Processes. - C: Journal of carbon research 4 (3), 41 . https://doi.org/10.3390/c4030041
  • Siipola, Virpi; Tamminen, Tarja; Källi, Anssi; Lahti, Riikka; Romar, Henrik; Rasa, Kimmo; Keskinen, Riikka; Hyväluoma, Jari; Hannula, Markus; Wikberg, Hanne (2018) Effects of Biomass Type, Carbonization Process, and Activation Method on the Properties of Bio-Based Activated Carbons. - BioResources 13 (3), 5976-6002 . http://doi.org/10.15376/biores.13.3.5976-6002
  • DODDAPANENI, T., JAIN, R., PREVEENKUMAR, R., RINTALA, J., ROMAR, H. & KONTTINEN, J. (2018) Adsorption of furfural from torrefaction condensate using torrefied biomass. - Chemical engineering journal 334, 558-568 . http://dx.doi.org/10.1016/j.cej.2017.10.053
  •  PRATI, L., BERGNA, D., VILLA, A., SPONTONI, P., BIANCHI, C.L., HU, T., ROMAR, H. & LASSI, U. (2018) Carbons from second generation biomass as sustainable supports for catalytic systems, Catalysis Today, 301, 239-243, DOI: 10.1016/j.cattod.2017.03.007
  • Hokkanen, Sanna; Bhatnagar, Amit; Koistinen, Ari; Kangas, Teija; Lassi, Ulla; Sillanpää, Mika (2018) Comparison of adsorption equilibrium models and error functions for the study of sulfate removal by calcium hydroxyapatite microfibrillated cellulose composite. - Environmental technology 39 (8), 952-966.
  • Vielma, Tuomas; Lassi, Ulla; Salminen, Justin (2018) Precipitation of silica from zinc process solution. - Monatshefte für Chemie 149 (2), 313-321.
  • Luukkonen, Tero; Věžníková, Kateřina; Tolonen, Emma-Tuulia; Runtti, Hanna; Yliniemi, Juho; Hu, Tao; Kemppainen, Kimmo; Lassi, Ulla (2018) Removal of ammonium from municipal wastewater with powdered and granulated metakaolin geopolymer. - Environmental technology 39 (4), 414-423 .
  • Suopajärvi, Hannu; Umeki, Kentaro; Mousa, Elsayed; Hedayati, Ali; Romar, Henrik; Kemppainen, Antti; Wang, Chuan; Phounglamcheik, Aekjuthon; Tuomikoski, Sari; Norberg, Nicklas; Andefors, Alf; Öhman, Marcus; Lassi, Ulla; Fabritius, Timo (2018) Use of biomass in integrated steelmaking : status quo, future needs and comparison to other low-CO2 steel production technologies. - Applied Energy 213, 384-407 .
  • Vielma, T.; Salminen, J.; Lassi, U. (2018) Thermodynamics of the ZnSO4 -H2SO4 -H2O system. Calphad: computer coupling of phase diagrams and thermochemistry 60, 126-133 . https://doi.org/10.1016/j.calphad.2017.12.006
  • Mäkelä, Eveliina; Lahti, Riikka; Jaatinen, Salla; Romar, Henrik; Hu, Tao; Puurunen, Riikka L.; Lassi, Ulla; Karinen, Reetta (2018) Study of Ni, Pt, and Ru Catalysts on Wood-based Activated Carbon Supports and their Activity in Furfural Conversion to 2-Methylfuran. - ChemCatChem Early, EARLY . https://doi.org/10.1002/cctc.201800263
  • Myllymäki, Pekka; Lahti, Riikka; Romar, Henrik; Lassi, Ulla (2018) Removal of total organic carbon from peat solution by hybrid method—Electrocoagulation combined with adsorption. - Journal of water process engineering 24, 56-62 .
  • Dong, Yue; Shah, Syed Nasir; Pranesh, Matheswaran; Prokkola, Hanna; Kärkkäinen, Johanna; Leveque, Jean-Marc; Lassi, Ulla; Lethesh, Kallidanthiyil Chellappan (2018) Azepanium based protic ionic liquids: Synthesis, thermophysical properties and COSMO-RS study. Journal of Molecular Liquids 264, 24-31.
  • Lappalainen K, Vogeler N, Kärkkäinen J, Dong Y, Niemelä M, Rusanen A, Ruotsalainen AL, Wäli P, Markkola A, Lassi U (2018) Microwave-assisted conversion of novel biomass materials into levulinic acid, Biomass Conversion and Biorefinery 8 (4) 965-970.


  • VARILA, T., BERGNA, D., LAHTI, R., ROMAR, H., HU, T. & LASSI, U. (2017) Activated carbon production from peat using ZnCl2: characterization and applications. - BioResources 12 (4), 8078-8092 .
  • SCHNEIDER, L., HAVERINEN, J, JAAKKOLA, M. & LASSI, U. (2017) Pretreatment and fractionation of lignocellulosic barley straw by mechanocatalysis, Chemical Engineering Journal, DOI: 10.1016/j.cej.2017.06.175
  • LAHTI, R., BERGNA, D., ROMAR, H., TUUTTILA, T., HU, T. & LASSI, U. (2017) Physico-chemical properties and use of waste biomass-derived activated carbons, Chemical Engineering Transactions, 57, 43-48.
  • LUUKKONEN, T., TOLONEN, E-T., RUNTTI, H., KEMPPAINEN, K., PERÄMÄKI, P., RÄMÖ, J., LASSI, U. (2017) Optimization of the metakaolin geopolymer preparation for maximized ammonium adsorption capacity, Journal of Materials Science, doi:10.1007/s10853-017-1156-9
  • RUNTTI H, TYNJÄLÄ P, TUOMIKOSKI S, KANGAS T, HU T, RÄMÖ J, LASSI U (2017) Utilisation of barium-modified analcime in sulphate removal: isotherm, kinetics and thermodynamics studies. Journal of Water Process Engineering, 16: 319-328
  • SORSA, O., ROMAR, H., LASSI, U. & KALLIO, T. (2017) Co-electrodeposited Mesoporous PtM (M=Co, Ni, Cu) as an Active Catalyst for Oxygen Reduction Reaction in a Polymer Electrolyte Membrane Fuel Cell, Electrochemica Acta 230, 49-57.
  • ROMAR, H., RIVOIRE, E., TYNJÄLÄ, P. & LASSI, U. (2017) Effect of calcination conditions on the dispersion of cobalt over Re, Ru and Rh promoted Co/γ-Al2O3 catalysts, Topics in Catalysis 60 (17-18), 1415-1428, DOI: 10.1007/s11244-017-0822-0
  • LAHTI, R., BERGNA, D., ROMAR, H., HU, T., COMAZZI, A., PIROLA, C., BIANCHI, L. & LASSI, U. (2017) Characterization of cobalt catalysts on biomass-derived carbon supports, Topics in Catalysis, doi:10.1007/s11244-017-0823-z 
  • BEKAERT, E.BUANNIC, L., LASSI, U., LLORDÉS, A., SALMINEN, J. (2017) Electrolytes for Li- and Na-Ion Batteries: Concepts, Candidates, and the Role of Nanotechnology, In: Emerging nanotechnologies in Rechargeable Energy Storage systems, Rodriguez (Ed.), Elsevier, 2017 pp. 1-43.
  • LUUKKONEN, T., VÉZNÍKOVÁ, K., TOLONEN, E-T., RUNTTI, H., YLINIEMI, J., HU, T., KEMPPAINEN, K. & LASSI, U. (2017) Removal of ammonium from municipal wastewater with powdered and granulated metakaolin geopolymer, Environmental Technology, http://dx.doi.org/10.1080/09593330.2017.1301572
  • KRAMB, J., BAREA GOMEZ, A., DE MARTINI, N., DODDAPANENI, T., ROMAR, H., KONTTINEN, J. (2017) The effects of calcium and potassium on CO2 gasification of birch wood char in a fluidized bed, Fuel 196, 398-407.
  • PESONEN, J., KUOKKANEN, T., RAUTIO, P. & LASSI, U. (2017) Bioavailability of nutrients and harmful elements in ash fertilizers: Effect of granulation, Biomass and Bioenergy 100, 92-97. http://dx.doi.org/10.1016/j.biombioe.2017.03.019
  • HOKKANEN, S., BHATNAGAR, A.,  KOISTINEN, A., KANGAS, T., LASSI, U., SILLANPÄÄ, M. (2017) Comparison of adsorption equilibrium models and error functions for the study of sulfate removal by calcium hydroxyapatite microfibrillated cellulose composite, Env Technology, 1-15
  • SCHNEIDER, L., HAVERINEN, J, JAAKKOLA, M. & LASSI, U. (2017) Effective saccharification of lignocellulosic barley straw by mechanocatalytical pretreatment using potassium pyrosulfate as a catalyst, Bioresource Technology 234, 1-7.
  • DONG, Y., HAVERINEN, J., TUUTTILA, T., JAAKKOLA, M., HOLM, J., LEVEQUE, J.M. & LASSI, U. (2017) Rapid one-step solvent-free acid-catalysed mechanical depolymerisation of pine saw dust to high yield water soluble sugars, Biomass and Bioenergy 102, 23–30
  • LONGJIE, LIU, ZHONGHANG WANG., HAO DU, SHILI ZHENG, LASSI, U. & YI ZHANG (2017) Intensified decomposition of vanadium slag via aeration in concentrated NaOH solution, International Journal of Mineral Processing 160, 1-7.
  • JUHOLA, R., HEPONIEMI, A., TUOMIKOSKI, S., HU, T., VIELMA, T. & LASSI, U. (2017) Preparation of novel Fe catalysts from industrial by-products: catalytic wet peroxide oxidation of bisphenol A, Topics in Catalysis,DOI: 10.1007/s11244-017-0829-6
  • BERGNA, D., ROMAR, H., TUOMIKOSKI, S, RUNTTI, H., KANGAS, T., TYNJÄLÄ, P., & LASSI, U. (2017) Activated Carbon from Renewable Sources: Thermochemical Conversion and Activation of Biomass and Carbon Residues from Biomass Gasification, In: L. Singh, V.C. Kalia (Eds.) Waste Biomass Management – A Holistic Approach, Springer, 2017, pp. 187-213
  • LUUKKONEN, T., RUNTTI, H., TOLONEN, E-T., KEMPPAINEN, K. & LASSI, U. (2017) Uudet geopolymeeripohjaiset vedenkäsittelymateriaalit, GeoSorbents-projektin loppuraportti, KAMK:n julkaisusarja B, Raportteja ja selvityksiä 69, Kajaani 2017.


  • RUNTTI, H., LUUKKONEN, T, NISKANEN, M., TUOMIKOSKI, S., KANGAS, T., TYNJÄLÄ, P., TOLONEN, E-T., SARKKINEN, M., KEMPPAINEN, K., LASSI, U. & RÄMÖ, J. (2016) Sulphate removal over barium-modified blast-furnace-slag geopolymer, Journal of Hazardous Materials 317, 373-384
  • TOLONEN, E-T., HU, T., RÄMÖ, J. & LASSI, U. (2016) The removal of sulphate removal from mine water by precipitation as ettringite and the utilization of the precipitate as a sorbent for arsenate removal, Journal of Environmental Management 181 (2016) 856-862
  • KARHUNEN, T., VÄLIKANGAS, J., TORVELA, T., LÄHDE, A., LASSI, U. & JOKINIEMI, J. (2016) Effect of doping and crystallite size on the electrochemical performance of Li4Ti5O12, Journal of Alloys and Compounds 659, 132-137.
  • ROMAR, H., LILLEBØ, A.H., TYNJÄLÄ, P., HOLMEN, A, BLEKKAN, E.A., & LASSI, U. (2016) H2-TPR, XPS and TEM Study of the Reduction of Ru and Re promoted Co/γ-Al2O3, Co/TiO2  and Co/SiC catalysts, Journal of Materials Science Research 5(2), 33-43.
  • DONG, Y., SCHNEIDER, L., HU, T., JAAKKOLA, M., HOLM, J., LEVEQUE, JM & LASSI, U. (2016) Direct acid-catalysed mechanical depolymerisation of fibre sludge to reducing sugars using planetary milling, Biomass and Bioenergy 86, 36-42.
  • SCHNEIDER, L., HAVERINEN, J, JAAKKOLA, M. & LASSI, U. (2016) Solid acid and base catalysts in the mechanocatalytical conversion of lignocellulosic barley straw, Bioresource Technology 206, 204-210.
  • RUNTTI, H., TUOMIKOSKI, S., KANGAS, T., LASSI, U. & KUOKKANEN, T., RÄMÖ, J. (2016) Sulphate removal over carbon residue from biomass gasification: Effect of chemical modification methods on sulphate removal efficiency, Bioresources 11(2), 3136-3152.
  • PESONEN, J., YLINIEMI, J., ILLIKAINEN, M., KUOKKANEN, T. & LASSI, U. (2016) Stabilization/solidification of fly ash from fluidized bed combustion of recycled fuel and biofuel using alkali-activation and cement addition, Journal of Environmental Chemical Engineering 4(2), 1759-1768.
  • SCHNEIDER, L., DONG, Y., HAVERINEN, J., JAAKKOLA, M. & LASSI, U. (2016) Efficiency of acetic acid and formic acid as a catalyst in catalytical and mechanocatalytical pretreatment of barley straw, Biomass and Bioenergy 91, 134-142.
  • LUUKKONEN, T., RUNTTI, H., NISKANEN, M., TOLONEN, E-T., SARKKINEN, M., KEMPPAINEN, K., RÄMÖ, J. & LASSI, U. (2016) Simultaneous removal of Ni(II), As(III) and Sb(III) from spiked mine effluent with metakaolin and blast furnace slag geopolymers, Journal of Environmental Management 166, 579-588.
  • HALONEN, S., KANGAS, T., LASSI, U. & HAATAJA, M. (2016) Urea-Water-Solution Properties: Density, Viscosity, and Surface Tension in an Under-Saturated Solution, Emission Control Science and Technology 3 (2), 161-170 . http://dx.doi.org/10.1007/s40825-016-0051-1
  • TOLONEN, E-T., LUUKKONEN,T., RUNTTI, H., RÄMÖ, J. & LASSI, U. (2016) Sorption of arsenate on ettringite formed in sulphate removal from mine drainage water, In: Proceedings IMWA 2016: Mining Meets Water – Conflicts and Solutions, TU Bergakademie, Freiberg, pp. 867-873. http://www.imwa.info/imwaconferencesandcongresses/proceedings/298-proceedings-2016.html
  • KUOKKANEN, V. (2016) Water treatment by electrocoagulation, In: Encyclopedia of Inorganic and Bioinorganic chemistry, John Wiley& sons. DOI: 10.1002/9781119951438.eibc2452
  • DI LECCE D., HU, T., HASSOUN, J. (2016)  Electrochemical features of LiMnPO4 olivine prepared by sol-gel pathway, Journal of Alloys and Compounds 693, 730-737.


  • LUUKKONEN,T., SARKKINEN, M., KEMPPAINEN, K., RÄMÖ, J. & LASSI, U. (2015) Metakaolin geopolymer characterization and application for ammonium removal from model solutions and landfill leachate, Applied Clay Sciences 119, 266-276
  • LUUKKONEN, T., RUNTTI, H., NISKANEN, M., TOLONEN, E-T., SARKKINEN, M., KEMPPAINEN, K., RÄMÖ, J. & LASSI, U. (2015) Simultaneous removal of Ni(II), As(III), and Sb(III) from spiked mine effluent with metakaolin and blast-furnace-slag geopolymers Journal of Environmental Management 166, 579-588.
  • LUUKKONEN,T., HEYNINCK, T., RÄMÖ, J. & LASSI, U. (2015) Comparison of organic peracids in wastewater treatment: disinfection, oxidation and corrosion, Water Research 85: 275-285. doi: 10.1016/j.watres.2015.08.037
  • ROMAR, H., LILLEBØ, A.H., TYNJÄLÄ, P., HOLMEN, A, BLEKKAN, E.A., & LASSI, U. (2015) Supported cobalt catalysts for Fischer-Tropsch synthesis using biomass-derived syngas, Topics in Catalysis 58(14), 887-895, DOI: 10.1007/s11244-015-0455-0
  • DONG, Y., HOLM, J. & LASSI, U. (2015) Dissolution and hydrolysis of lignocellulosic biomass using tailored ionic liquids (Chapter 20). In: Prof. Scott Handy (Ed.) Ionic liquids- Current state of arts, InTech, ISBN: 978-953-51-2122-0.
  • HEPONIEMI, AZALIM, S., HU, T.& LASSI, U. (2015) Cerium oxide based catalysts for wet air oxidation of bisphenol A, Topics in Catalysis 58(14), 1043-1052, DOI: 10.1007/s11244-015-0457-y
  • KUOKKANEN, V., KUOKKANEN, T., RÄMÖ, J., LASSI, U., ROININEN, J. (2015) Removal of phosphate from wastewater for further utilization using electrocoagulation with hybrid electrodes – Techno-economic studies. Journal of Water Process Engineering 8, e50-e57, doi:10.1016/j.jwpe.2014.11.008
  • TOLONEN, E., RÄMÖ, J. & LASSI, U. (2015) The effect of magnesium on partial sulphate removal from mine water as gypsum, Journal of Environmental Management 159, 143-146.
  • KUOKKANEN, V., KUOKKANEN, T., RÄMÖ, J., LASSI, U. (2015) Electrocoagulation treatment of peat bog drainage water containing humic substances, Water Research 79, 79-87.
  • KILPIMAA, S. RUNTTI, H., KANGAS, T., LASSI, U. & KUOKKANEN, T. (2015) Physical activation of carbon residue from biomass gasification: Novel sorbent for the removal of phosphates and nitrates from aqueous solution, Journal of Industrial and Engineering Chemistry, 21, 1354-1364.