Impact of cultivation conditions on physicochemical characteristics of Miscanthus × giganteus biomass
Newton R.A. Pidlisnyuk V. Pohl R. Mamirova A. Zschunke T.
June 2025Springer Nature
International Journal of Environmental Science and Technology
2025#22Issue 108605 - 8618 pp.
Miscanthus × giganteus has emerged as a successful energy crop for remediating marginal land, offering potential as an alternative energy source for climate change mitigation. This study aimed to assess the physicochemical properties for gasification of Miscanthus × giganteus biomass from plantations with diverse soil origins, characteristics, contamination levels, age, and climate conditions, aiming to determine their influence on the energy properties. Fuel parameters, i.e.: ash content, volatile matter, calorific value, ultimate analysis, and ash melting behavior were measured. Analysis of biomass samples revealed significant variations in the ash content and volatile matter with the average values of 4.5 and 78.8%, respectively, depending of the produced biomass. The calorific value remained consistently high, ranging from 18 to 19 MJ kg−1, even when biomass was derived from the contaminated soil. Additionally, biomass ash exhibited complete melting at temperatures exceeding 1300 °C, signifying its suitability for gasification without encountering technical obstacles. Employing PCA analysis, the significance of plantation age, location, and soil characteristics in shaping the physicochemical properties of Miscanthus × giganteus biomass for gasification was highlighted. The results illustrated that soil contamination by trace elements had a minimal impact on the physicochemical properties, whereas plantation age and climate conditions significantly influenced to the fuel properties of biomass.
Ash melting , Climate condition , Physicochemical properties , Soil contamination , Thermochemical conversion
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Department of the Environmental Chemistry and Technology, Faculty of Environment, Jan Evangelista Purkyně University, Usti nad Labem, 400 96, Czech Republic
Institute of Process Technology, Process Automatization and Measuring Technology, Hochschule Zittau/Görlitz, Theodor-Körner-Allee 16, Zittau, 02763, Germany
Department of Biotechnology, Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty, 050040, Kazakhstan
Department of the Environmental Chemistry and Technology
Institute of Process Technology
Department of Biotechnology
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