Valorization of exotic fruit residues: Sustainable green dielectric and insulating materials for energy and waste management solutions
This study explores the potential of hydrochars derived from locally available exotic fruits (mango, mangosteen, african oil palm, and moringa) as sustainable dielectric and insulating materials, addressing waste management challenges in developing countries like Ecuador. Through experimental design...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2025-07-01
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| Series: | Green Technologies and Sustainability |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2949736125000272 |
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| author | Yuliana Pullas María Fernanda Lecaro Juan Fernando Posso Pierina Mirabá Luis Miguel Prócel Andrea C. Landázuri |
| author_facet | Yuliana Pullas María Fernanda Lecaro Juan Fernando Posso Pierina Mirabá Luis Miguel Prócel Andrea C. Landázuri |
| author_sort | Yuliana Pullas |
| collection | DOAJ |
| description | This study explores the potential of hydrochars derived from locally available exotic fruits (mango, mangosteen, african oil palm, and moringa) as sustainable dielectric and insulating materials, addressing waste management challenges in developing countries like Ecuador. Through experimental design optimization, we investigate the electrical properties of these hydrochars. Results demonstrate high dielectric constants (relative permittivity 4.35–6.29) and low electrical conductivities (loss tangent 0.004–0.025) across all samples, with properties influenced by fruit type, hydrothermal carbonization conditions, and post-treatment processes. Moringa husk emerges as particularly promising, achieving optimal values at 175 °C and 1h, effectively balancing performance and energy consumption. Other materials show desirable properties at 250 °C and 2h. This approach promotes sustainable waste management while exploring materials that could enhance clean energy systems, particularly addressing challenges faced by developing nations in resource utilization and technological advancement. |
| format | Article |
| id | doaj-art-e24da7ae4ae5486db7a2fb04006a5b65 |
| institution | Kabale University |
| issn | 2949-7361 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Green Technologies and Sustainability |
| spelling | doaj-art-e24da7ae4ae5486db7a2fb04006a5b652025-08-20T03:32:47ZengKeAi Communications Co., Ltd.Green Technologies and Sustainability2949-73612025-07-013310019310.1016/j.grets.2025.100193Valorization of exotic fruit residues: Sustainable green dielectric and insulating materials for energy and waste management solutionsYuliana Pullas0María Fernanda Lecaro1Juan Fernando Posso2Pierina Mirabá3Luis Miguel Prócel4Andrea C. Landázuri5Chemical Engineering Department, Applied Circular Engineering & Simulation Group (GICAS), Universidad San Francisco de Quito USFQ, Diego de Robles y Vía Interoceánica, P.O. Box 17-0901, Quito, EcuadorChemical Engineering Department, Applied Circular Engineering & Simulation Group (GICAS), Universidad San Francisco de Quito USFQ, Diego de Robles y Vía Interoceánica, P.O. Box 17-0901, Quito, EcuadorInstituto de Micro y Nanoelectrónica (IMNE), Universidad San Francisco de Quito USFQ, Diego de Robles y Vía Interoceánica, P.O. Box 17-0901, Quito, EcuadorInstituto de Micro y Nanoelectrónica (IMNE), Universidad San Francisco de Quito USFQ, Diego de Robles y Vía Interoceánica, P.O. Box 17-0901, Quito, EcuadorInstituto de Micro y Nanoelectrónica (IMNE), Universidad San Francisco de Quito USFQ, Diego de Robles y Vía Interoceánica, P.O. Box 17-0901, Quito, EcuadorChemical Engineering Department, Applied Circular Engineering & Simulation Group (GICAS), Universidad San Francisco de Quito USFQ, Diego de Robles y Vía Interoceánica, P.O. Box 17-0901, Quito, Ecuador; Institute for Energy and Materials, Universidad San Francisco USFQ, Diego de Robles y Vía Interoceánica, P.O. Box 17-0901, Quito, Ecuador; Instituto de Investigaciones Biológicas y Ambientales (Biósfera), Universidad San Francisco de Quito USFQ, Diego de Robles y Vía Interoceánica, P.O. Box 17-0901, Quito, Ecuador; iBioMed, Universidad San Francisco de Quito USFQ, Diego de Robles y Vía Interoceánica, P.O. Box 17-0901, Quito, Ecuador; Corresponding author.This study explores the potential of hydrochars derived from locally available exotic fruits (mango, mangosteen, african oil palm, and moringa) as sustainable dielectric and insulating materials, addressing waste management challenges in developing countries like Ecuador. Through experimental design optimization, we investigate the electrical properties of these hydrochars. Results demonstrate high dielectric constants (relative permittivity 4.35–6.29) and low electrical conductivities (loss tangent 0.004–0.025) across all samples, with properties influenced by fruit type, hydrothermal carbonization conditions, and post-treatment processes. Moringa husk emerges as particularly promising, achieving optimal values at 175 °C and 1h, effectively balancing performance and energy consumption. Other materials show desirable properties at 250 °C and 2h. This approach promotes sustainable waste management while exploring materials that could enhance clean energy systems, particularly addressing challenges faced by developing nations in resource utilization and technological advancement.http://www.sciencedirect.com/science/article/pii/S2949736125000272HydrocharsDielectricsInsulatorsGreen electronicsEnergy storage |
| spellingShingle | Yuliana Pullas María Fernanda Lecaro Juan Fernando Posso Pierina Mirabá Luis Miguel Prócel Andrea C. Landázuri Valorization of exotic fruit residues: Sustainable green dielectric and insulating materials for energy and waste management solutions Green Technologies and Sustainability Hydrochars Dielectrics Insulators Green electronics Energy storage |
| title | Valorization of exotic fruit residues: Sustainable green dielectric and insulating materials for energy and waste management solutions |
| title_full | Valorization of exotic fruit residues: Sustainable green dielectric and insulating materials for energy and waste management solutions |
| title_fullStr | Valorization of exotic fruit residues: Sustainable green dielectric and insulating materials for energy and waste management solutions |
| title_full_unstemmed | Valorization of exotic fruit residues: Sustainable green dielectric and insulating materials for energy and waste management solutions |
| title_short | Valorization of exotic fruit residues: Sustainable green dielectric and insulating materials for energy and waste management solutions |
| title_sort | valorization of exotic fruit residues sustainable green dielectric and insulating materials for energy and waste management solutions |
| topic | Hydrochars Dielectrics Insulators Green electronics Energy storage |
| url | http://www.sciencedirect.com/science/article/pii/S2949736125000272 |
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