Improving Kraft Pulp Mill Energy Efficiency through Low-Temperature Hydrothermal Carbonization of Biological Sludge | 2022 Publication type A1 Journal article (refereed), original research Author(s) Saari Jussi, Sermyagina Ekaterina, Kuparinen Katja, Lipiäinen Satu, Kaikko Juha, Hamaguchi Marcelo, Mendoza-Martinez Clara Water - Refining sidestreams into value Energy - Transition to carbon-neutral world Energy Engineering and Power Technology Process Chemistry and Technology Waste Management and Disposal Engineering (miscellaneous) LUT School of Energy Systems