LAPSE:2023.23883
Published Article
LAPSE:2023.23883
Anti-Thermal Shock Binding of Liquid-State Food Waste to Non-Wood Pellets
March 27, 2023
Abstract
The development and implementation of strategies to assist safe and effective transport and storage of pellets in containers and indoor facilities without heating systems are challenging. This study primarily aimed to reshape the organic fraction of municipal solid waste into a liquid-state binder in order to develop freezing−defrosting-proof non-wood pellets. The introduction of the standard solution of food waste into the process of pelleting consisted of stirring it together with the residual biomass from distillation of cellulosic bioethanol or alternatively spraying very fine droplets on the layer of the starting material before it entered the pilot-scale automatic machine at 200 MPa and 125 °C. The addition by spraying of carbohydrate-rich supplement boiled for five minutes caused the pellets to show increases in apparent density (1250.8500 kg·m−3), durability (99.7665%), and hydrophobicity (93.9785%), and consistently prevented them from suffering severe mechanical fracture by thermal shock. The fractal dimension of breakpoints, cracks, and delamination on the finished surface for these products was the smallest at 1.7500−1.7505. Sprayed pellets would fall into the strictest grid of products for residential heat-and-power units, even after freezing and defrosting. The conclusion is therefore that spraying can spectacularly ensure the reliability of liquid-state food waste as an anti-thermal shock binder for non-wood pellets.
The development and implementation of strategies to assist safe and effective transport and storage of pellets in containers and indoor facilities without heating systems are challenging. This study primarily aimed to reshape the organic fraction of municipal solid waste into a liquid-state binder in order to develop freezing−defrosting-proof non-wood pellets. The introduction of the standard solution of food waste into the process of pelleting consisted of stirring it together with the residual biomass from distillation of cellulosic bioethanol or alternatively spraying very fine droplets on the layer of the starting material before it entered the pilot-scale automatic machine at 200 MPa and 125 °C. The addition by spraying of carbohydrate-rich supplement boiled for five minutes caused the pellets to show increases in apparent density (1250.8500 kg·m−3), durability (99.7665%), and hydrophobicity (93.9785%), and consistently prevented them from suffering severe mechanical fracture by thermal shock. The fractal dimension of breakpoints, cracks, and delamination on the finished surface for these products was the smallest at 1.7500−1.7505. Sprayed pellets would fall into the strictest grid of products for residential heat-and-power units, even after freezing and defrosting. The conclusion is therefore that spraying can spectacularly ensure the reliability of liquid-state food waste as an anti-thermal shock binder for non-wood pellets.
Record ID
Keywords
agro-industrial residue, defrosting, durability, fractal analysis, fractures, freezing, municipal solid waste, storage, transportation, waste-to-energy
Suggested Citation
Moreira BRDA, Silva Viana RD, Cruz VH, Matos Lopes PR, Miasaki CT, Magalhães AC, Figueiredo PAMD, Lisboa LAM, Ramos SB, May A, Caraschi JC. Anti-Thermal Shock Binding of Liquid-State Food Waste to Non-Wood Pellets. (2023). LAPSE:2023.23883
Author Affiliations
Moreira BRDA: Department of Phytosanitary, Rural Engineering and Soils, School of Engineering, São Paulo State University (Unesp), Ilha Solteira, São Paulo 15385-000, Brazil [ORCID]
Silva Viana RD: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil [ORCID]
Cruz VH: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Matos Lopes PR: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Miasaki CT: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Magalhães AC: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Figueiredo PAMD: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Lisboa LAM: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Ramos SB: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
May A: Brazilian Agricultural Research Corporation (Embrapa), Jaguariúna, São Paulo 13820-000, Brazil
Caraschi JC: São Paulo State University (Unesp), Itapeva, São Paulo 18400-000, Brazil
Silva Viana RD: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil [ORCID]
Cruz VH: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Matos Lopes PR: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Miasaki CT: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Magalhães AC: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Figueiredo PAMD: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Lisboa LAM: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
Ramos SB: Department of Plant Production, College of Agricultural and Technological Sciences, São Paulo State University (Unesp), Dracena, São Paulo 19900-000, Brazil
May A: Brazilian Agricultural Research Corporation (Embrapa), Jaguariúna, São Paulo 13820-000, Brazil
Caraschi JC: São Paulo State University (Unesp), Itapeva, São Paulo 18400-000, Brazil
Journal Name
Energies
Volume
13
Issue
12
Article Number
E3280
Year
2020
Publication Date
2020-06-25
ISSN
1996-1073
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PII: en13123280, Publication Type: Journal Article
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LAPSE:2023.23883
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https://doi.org/10.3390/en13123280
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