Published date: Aug 10 2022

Journal Title: KnE Materials Science

Issue title: 1st International FibEnTech Congress (FibEnTech21) – New Opportunities for Fibrous Materials in the Ecological Transition

Pages: 212–218

DOI: 10.18502/kms.v7i1.11625

André Studartandre.studart@ubi.ptDepartment of Civil Engineering and Architecture, University of Beira Interior, Calçada Fonte do Lameiro, 6201-001, Covilhã, Portugal

Leonardo MarchioriDepartment of Civil Engineering and Architecture, University of Beira Interior, Calçada Fonte do Lameiro, 6201-001, Covilhã, Portugal

Maria Vitoria MoraisDepartment of Civil Engineering and Architecture, University of Beira Interior, Calçada Fonte do Lameiro, 6201-001, Covilhã, Portugal

António AlbuquerqueDepartment of Civil Engineering and Architecture, University of Beira Interior, Calçada Fonte do Lameiro, 6201-001, Covilhã, Portugal

Pedro Gabriel AlmeidaDepartment of Civil Engineering and Architecture, University of Beira Interior, Calçada Fonte do Lameiro, 6201-001, Covilhã, Portugal

Victor CavaleiroDepartment of Civil Engineering and Architecture, University of Beira Interior, Calçada Fonte do Lameiro, 6201-001, Covilhã, Portugal

Mineralogical and chemical evaluations are necessary to investigate the background and origins of materials. In terms of residues commonly produced around the world, ashes biomass stands out for its high calorific capacity and use for energy production at thermoelectrical facilities. Given current sustainability issues and new demands from society, ashes and soil from pine biomass in the Castelo Branco region were investigated to research possible anthropogenic contaminations, heavy metals among their composition, and their physic-chemical characteristics. These properties can be used to define possible valorisation methods through residue introduction into the soil for its reinforcement and liner application. The results indicated that ashes biomass could help achieve these objectives and could be introduced into the soil, due to its enrichment with pozzolanic minerals and fine granulometry, while having a low-density, which could reduce final weight; however it was considerably different from the original biomass, and contained anthropogenic contaminations and high concentrations of heavy metals.

Keywords: biomass ashes, chemical and mineralogical properties, residue valorisation, soil reinforcement, liner material

[1] S. van Loo, J. Koppejan, The Handbook of Biomass Combustion and Co-Firing, Earthscan; United Kingdom, 2008.

[2] ISO17892-1, Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content, 2014.

[3] ISO17892-2, Geotechnical investigation and testing - Laboratory testing of soil - Part 2 : Determination of bulk density, 2014.

[4] ISO17892-3, Geotechnical investigation and testing - Laboratory testing of soil - Part 3: Determination of particle density, 2015.

[5] P.P. Cunha, Evolução Tectono-Sedimentar Terciária da Região de Sarzedas (Portugal), Comunicações dos Serviços Geológicos de Portugal (1987) 67–84.

[6] S. V Vassilev, D. Baxter, L.K. Andersen, C.G. Vassileva, An overview of the composition and application of biomass ash. Part 1. Phase–mineral and chemical composition and classification, Fuel. 105 (2013) 40–76. https://doi.org/10.1016/j.fuel.2012.09.041.

[7] S. V. Vassilev, D. Baxter, L.K. Andersen, C.G. Vassileva, An overview of the chemical composition of biomass, Fuel. 89 (2010) 913–933. https://doi.org/10.1016/j.fuel.2009.10.022.

[8] D. Vamvuka, D. Zografos, Predicting the behaviour of ash from agricultural wastes during combustion, Fuel. 83 (2004) 2051–2057. https://doi.org/10.1016/j.fuel.2004.04.012.

[9] D. Vamvuka, M. Pitharoulis, G. Alevizos, E. Repouskou, D. Pentari, Ash effects during combustion of lignite/biomass blends in fluidized bed, Renew. Energy. 34 (2009) 2662–2671. https://doi.org/10.1016/j.renene.2009.05.005.

[10] D. Krutul, T. Zielenkiewicz, A. Radomski, J. Zawadzki, A. Antczak, M. Drozdzek, T. Makowski, Metals accumulation in Scots Pine (Pinus Sylvestris L.) wood and bark affected with environmental pollution, Wood Res. 62 (2017) 353–364.

[11] J. Fromm, Wood formation of trees in relation to potassium and calcium nutrition, Tree Physiol. 30 (2010) 1140–1147. https://doi.org/10.1093/treephys/tpq024.

[12] S. V. Vassilev, C.G. Vassileva, A new approach for the classification of coal fly ashes based on their origin, composition, properties, and behaviour, Fuel. 86 (2007) 1490– 1512. https://doi.org/10.1016/j.fuel.2006.11.020.

[13] M. Sami, K. Annamalai, M. Wooldridge, Co-firing of coal and biomass fuel blends, Progress in Energy Combustion Science. 27 (2001) 171–214. https://doi.org/10.1016/S0360-1285(00)00020-4.

[14] S. V. Vassilev, D. Baxter, L.K. Andersen, C.G. Vassileva, An overview of the composition and application of biomass ash., Fuel. 105 (2013) 19–39. https://doi.org/10.1016/j.fuel.2012.10.001.

[15] United States Enviromental Agency Protection, Hazardous Wastes, 2020.https://www.nj.gov/dep/srp/guidance/scc/#q

[16] A. Kabata-pendias, H. Pendias, Trace Elements in Soils and Plants, 3rd ed., CRC Press, 2001.

[17] Official Journal of The European Communities, Directive 86/278/EEC, 1986.