Hydrothermal refining of biomass

An overview and future perspectives

Hanne Wikberg, Vidar Grönberg, Johannes Jermakka, Katariina Kemppainen, Marjatta Kleen, Christiane Laine, Ville Paasikallio, Anja Oasmaa

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Biomass is a promising alternative for the production of energy, novel materials, chemicals, and other valuable products. A certain degree of processing is required to achieve those results. Hydrothermal processes offer a unique way to obtain a wide range of biorefinery products. They can be considered as environmentally friendly processes, using solely water at different temperatures as a process medium to convert abundant and inexpensive biomass into products. We provide a short overview on hydrothermal processes that use water in its liquid state, including hot water extraction, pressurized hot water extraction, liquid hot water pretreatment, hydrothermal carbonization, and hydrothermal liquefaction. We also provide examples of current research and real-world findings. We then present a novel hydrothermal biorefinery concept for sequencing these single processes, giving concrete examples of possible raw materials and products. Sequencing gives new possibilities for biorefineries to exploit all the biomass components as valuable products with zero losses. The added value comes from the increased efficiency of the bio-based products' value chain, by reducing losses and generating higher-value products and services.
Original languageEnglish
Pages (from-to)195-207
JournalTappi Journal
Volume14
Issue number3
Publication statusPublished - 2015
MoE publication typeA1 Journal article-refereed

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Refining
Biomass
Water
Carbonization
Liquids
Liquefaction
Raw materials
Processing
Temperature

Cite this

Wikberg, H., Grönberg, V., Jermakka, J., Kemppainen, K., Kleen, M., Laine, C., ... Oasmaa, A. (2015). Hydrothermal refining of biomass: An overview and future perspectives. Tappi Journal, 14(3), 195-207.
Wikberg, Hanne ; Grönberg, Vidar ; Jermakka, Johannes ; Kemppainen, Katariina ; Kleen, Marjatta ; Laine, Christiane ; Paasikallio, Ville ; Oasmaa, Anja. / Hydrothermal refining of biomass : An overview and future perspectives. In: Tappi Journal. 2015 ; Vol. 14, No. 3. pp. 195-207.
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Wikberg, H, Grönberg, V, Jermakka, J, Kemppainen, K, Kleen, M, Laine, C, Paasikallio, V & Oasmaa, A 2015, 'Hydrothermal refining of biomass: An overview and future perspectives', Tappi Journal, vol. 14, no. 3, pp. 195-207.

Hydrothermal refining of biomass : An overview and future perspectives. / Wikberg, Hanne; Grönberg, Vidar; Jermakka, Johannes; Kemppainen, Katariina; Kleen, Marjatta; Laine, Christiane; Paasikallio, Ville; Oasmaa, Anja.

In: Tappi Journal, Vol. 14, No. 3, 2015, p. 195-207.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Wikberg, Hanne

AU - Grönberg, Vidar

AU - Jermakka, Johannes

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AU - Kleen, Marjatta

AU - Laine, Christiane

AU - Paasikallio, Ville

AU - Oasmaa, Anja

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AB - Biomass is a promising alternative for the production of energy, novel materials, chemicals, and other valuable products. A certain degree of processing is required to achieve those results. Hydrothermal processes offer a unique way to obtain a wide range of biorefinery products. They can be considered as environmentally friendly processes, using solely water at different temperatures as a process medium to convert abundant and inexpensive biomass into products. We provide a short overview on hydrothermal processes that use water in its liquid state, including hot water extraction, pressurized hot water extraction, liquid hot water pretreatment, hydrothermal carbonization, and hydrothermal liquefaction. We also provide examples of current research and real-world findings. We then present a novel hydrothermal biorefinery concept for sequencing these single processes, giving concrete examples of possible raw materials and products. Sequencing gives new possibilities for biorefineries to exploit all the biomass components as valuable products with zero losses. The added value comes from the increased efficiency of the bio-based products' value chain, by reducing losses and generating higher-value products and services.

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Wikberg H, Grönberg V, Jermakka J, Kemppainen K, Kleen M, Laine C et al. Hydrothermal refining of biomass: An overview and future perspectives. Tappi Journal. 2015;14(3):195-207.