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Comparative evaluation of energy potential and composition of walnut, hazelnut, and almond residues for solid biofuel production

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dc.contributor.author MARIAN, Grigore
dc.contributor.author BANARI, Alexandru
dc.date.accessioned 2025-06-03T17:14:23Z
dc.date.available 2025-06-03T17:14:23Z
dc.date.issued 2025
dc.identifier.citation MARIAN, Grigore and Alexandru BANARI. Comparative evaluation of energy potential and composition of walnut, hazelnut, and almond residues for solid biofuel production. Journal of Engineering Science. 2025, vol. 32, nr 1, pp. 111-124. ISSN 2587-3474, eISSN 2587-3482. en_US
dc.identifier.issn 2587-3474
dc.identifier.issn 2587-3482
dc.identifier.uri https://www.doi.org/10.52326/jes.utm.2025.32(1).09
dc.identifier.uri https://repository.utm.md/handle/5014/31883
dc.description.abstract Interest in renewable energy, particularly biomass-derived energy, has significantly increased in recent decades. As one of the most readily available resources in the Republic of Moldova, biomass energy plays an essential role in the country's evolving national energy framework. This study aims to evaluate the quality of tree biomass generated by nut trees, specifically walnut, hazelnut, and almond, considering its potential use as raw material for solid biofuel production. A comprehensive qualitative and quantitative assessment was conducted, focusing on calorific value, ash content, volatile matter content, and the concentrations of C, H, S, N, and Cl—key components contributing to pollutant emissions (CO, CO₂, NOₓ, SO₂, etc.). The findings highlight that nut residues meet quality standards for solid biofuels derived from non-woody biomass, showcasing their significant potential for sustainable energy production. en_US
dc.description.abstract Interesul pentru energiile regenerabile, în special pentru cea obținută din biomasă a crescut în mod semnificativ în ultimele decenii. Fiind una din sursele cu disponibilitate mare în Republica Moldova energia din biomasă joacă un rol important în noul cadru energetic național. Scopul acestui studiu a fost de a estima calitatea biomasei vegetale pomicole generate de nuciferi, având în vedere potențialul utilizării acesteia ca materie primă pentru producerea biocombustibililor solizi. S-au efectuat estimarea calitativă și cantitativă a reziduurilor de nuc, alun și migdal ținând cont de valoarea calorifică, conținutul de cenușă și materii volatile, conținutul de C, H, S, N și Cl) care sunt constituenți ai factorilor poluanți (CO, CO2, NOx, SO2 etc.). Rezultatele demonstrează că reziduurile nucifere pot îndeplini standardele de calitate pentru biocombustibilii solizi pe bază de biomasă nelemnoasă, cu un potențial semnificativ pentru producerea de energie durabilă. en_US
dc.language.iso en en_US
dc.publisher Technical University of Moldova en_US
dc.relation.ispartofseries Journal of Engineering Science, 2025, vol. 32, nr. 1;
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject nucifera biomass en_US
dc.subject solid biofuels en_US
dc.subject walnut en_US
dc.subject hazelnut en_US
dc.subject almond en_US
dc.subject energy potential en_US
dc.subject biomasă nucifere en_US
dc.subject biocombustibili solizi en_US
dc.subject nuc en_US
dc.subject alun en_US
dc.subject migdal en_US
dc.subject potenţial energetic en_US
dc.title Comparative evaluation of energy potential and composition of walnut, hazelnut, and almond residues for solid biofuel production en_US
dc.type Article en_US


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