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Article

Energy Properties and Biomass Yield of Miscanthus x Giganteus Fertilized by Municipal Sewage Sludge

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Department of Agricultural Technology, Storage and Transport, Faculty of Agriculture, University of Zagreb, Svetošimunska cesta 25, 10000 Zagreb, Croatia
2
Department of Field Crops, Forage and Grassland, Faculty of Agriculture, University of Zagreb, Svetošimunska cesta 25, 10000 Zagreb, Croatia
3
Department of Plant Nutrition, Faculty of Agriculture, University of Zagreb, Svetošimunska cesta 25, 10000 Zagreb, Croatia
4
Department of Agricultural Engineering, Faculty of Agriculture, University of Zagreb, Svetošimunska cesta 25, 10000 Zagreb, Croatia
*
Author to whom correspondence should be addressed.
Academic Editor: Cristian Gomez-Canela
Received: 29 June 2021 / Revised: 14 July 2021 / Accepted: 16 July 2021 / Published: 20 July 2021
(This article belongs to the Special Issue Residues of Organic Pollutants in Environmental Samples)
The application of municipal sewage sludge as fertilizer in the production of non-food energy crops is an environmentally and economically sustainable approach to sewage sludge management. In addition, the application of municipal sewage sludge to energy crops such as Miscanthus x giganteus is an alternative form of recycling nutrients and organic material from waste. Municipal sewage sludge is a potential source of heavy metals in the soil, some of which can be removed by growing energy crops that are also remediation agents. Therefore, the objective of the research was to investigate the effect of municipal sewage sludge applied at three different rates of 1.66, 3.22 and 6.44 t/ha on the production of Miscanthus. Based on the analyses conducted on the biomass of Miscanthus fertilized with sludge from the wastewater treatment plant in three fertilization treatments, it can be concluded that the biomass of Miscanthus is a good feedstock for the process of direct combustion. Moreover, the application of the largest amount of municipal sewage sludge during cultivation had no negative effect on the properties of Miscanthus biomass. Moreover, the cellulose and hemicellulose content of Miscanthus is ideal for the production of second-generation liquid biofuels. Fertilizer treatments had no effect on the content of cellulose and lignin, while a significant statistical difference was found for hemicellulose. View Full-Text
Keywords: sludge utilization; energy crops; waste management; agriculture; non-food production sludge utilization; energy crops; waste management; agriculture; non-food production
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MDPI and ACS Style

Voća, N.; Leto, J.; Karažija, T.; Bilandžija, N.; Peter, A.; Kutnjak, H.; Šurić, J.; Poljak, M. Energy Properties and Biomass Yield of Miscanthus x Giganteus Fertilized by Municipal Sewage Sludge. Molecules 2021, 26, 4371. https://0-doi-org.brum.beds.ac.uk/10.3390/molecules26144371

AMA Style

Voća N, Leto J, Karažija T, Bilandžija N, Peter A, Kutnjak H, Šurić J, Poljak M. Energy Properties and Biomass Yield of Miscanthus x Giganteus Fertilized by Municipal Sewage Sludge. Molecules. 2021; 26(14):4371. https://0-doi-org.brum.beds.ac.uk/10.3390/molecules26144371

Chicago/Turabian Style

Voća, Neven, Josip Leto, Tomislav Karažija, Nikola Bilandžija, Anamarija Peter, Hrvoje Kutnjak, Jona Šurić, and Milan Poljak. 2021. "Energy Properties and Biomass Yield of Miscanthus x Giganteus Fertilized by Municipal Sewage Sludge" Molecules 26, no. 14: 4371. https://0-doi-org.brum.beds.ac.uk/10.3390/molecules26144371

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