Hydrothermal carbonization as a sustainable strategy for integral valorisation of apple waste
Hydrothermal carbonization makes feasible the integral and profitable recovery of industrial apple waste within a zero-residue bio-economy. 82–96% of the energy and 80–93% of the C in the apple bagasse are retained in the solids generated by hydrothermal treatment at 180 and 230 °C for 2 and 4 h. Such processes stabilize the apple waste and lead to CO2 neutral solid fuels with calorific value close to 30 MJ/kg. The agrochemical properties of the solid by-products suggest their potential to improve soil quality. Aqueous streams containing valuable phenolic compounds and saturated fatty acids are generated simultaneously, which provide additional cost-effectiveness. The by-products characteristics can be suited to the final application by selecting the reaction temperature, whereas the process duration has less impact. Optical microscopy and reflectance measurements are presented, for the first time, as powerful tools for assessing the biomass transformation when subjected to hydrothermal treatment under different conditions.
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Format: | artículo biblioteca |
Language: | English |
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Elsevier
2020-04-16
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Subjects: | Apple waste, Hydrothermal carbonization, Solid fuel, Soil amendment, Bioactive compounds, |
Online Access: | http://hdl.handle.net/10261/215887 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/100011941 |
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dig-incar-es-10261-2158872022-09-26T12:51:27Z Hydrothermal carbonization as a sustainable strategy for integral valorisation of apple waste Suárez Fernández, Loreto Benavente-Ferraces, Iria Plaza de Carlos, César Pascual-Teresa, Sonia de Suárez Ruiz, Isabel Álvarez Centeno, Teresa Ministerio de Economía y Competitividad (España) Principado de Asturias Álvarez Centeno, Teresa [0000-0001-8405-7298] Suárez Ruiz, Isabel [0000-0003-4941-2797] Apple waste Hydrothermal carbonization Solid fuel Soil amendment Bioactive compounds Hydrothermal carbonization makes feasible the integral and profitable recovery of industrial apple waste within a zero-residue bio-economy. 82–96% of the energy and 80–93% of the C in the apple bagasse are retained in the solids generated by hydrothermal treatment at 180 and 230 °C for 2 and 4 h. Such processes stabilize the apple waste and lead to CO2 neutral solid fuels with calorific value close to 30 MJ/kg. The agrochemical properties of the solid by-products suggest their potential to improve soil quality. Aqueous streams containing valuable phenolic compounds and saturated fatty acids are generated simultaneously, which provide additional cost-effectiveness. The by-products characteristics can be suited to the final application by selecting the reaction temperature, whereas the process duration has less impact. Optical microscopy and reflectance measurements are presented, for the first time, as powerful tools for assessing the biomass transformation when subjected to hydrothermal treatment under different conditions. The funding from the European Regional Development Fund (ERDF) through project CEMOWAS2 (SOE2/P5/F0505)-INTERREG V SUDOE 2017 and Plan de Ciencia, Tecnología e Innovación (PCTI) 2018–2020 del Principado de Asturias and ERDF through project IDI/2018/000233 is acknowledged. The authors also acknowledge support from the Spanish State Plan for Scientific and Technical Research and Innovation (2013-2016), ref. AGL201675762-R. This study was partly supported by grant AGL2016-76832-R from the National Program for Research Aimed at the Challenges of Society (Spain). Peer reviewed 2020-07-02T12:30:48Z 2020-07-02T12:30:48Z 2020-04-16 artículo http://purl.org/coar/resource_type/c_6501 Bioresource Technology 309: 123395 (2020) 0960-8524 http://hdl.handle.net/10261/215887 10.1016/j.biortech.2020.123395 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/100011941 en #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AGL2016-75762-R info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/AGL2016-76832-R Postprint https://doi.org/10.1016/j.biortech.2020.123395 Sí open Elsevier |
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Apple waste Hydrothermal carbonization Solid fuel Soil amendment Bioactive compounds Apple waste Hydrothermal carbonization Solid fuel Soil amendment Bioactive compounds |
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Apple waste Hydrothermal carbonization Solid fuel Soil amendment Bioactive compounds Apple waste Hydrothermal carbonization Solid fuel Soil amendment Bioactive compounds Suárez Fernández, Loreto Benavente-Ferraces, Iria Plaza de Carlos, César Pascual-Teresa, Sonia de Suárez Ruiz, Isabel Álvarez Centeno, Teresa Hydrothermal carbonization as a sustainable strategy for integral valorisation of apple waste |
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Hydrothermal carbonization makes feasible the integral and profitable recovery of industrial apple waste within a zero-residue bio-economy. 82–96% of the energy and 80–93% of the C in the apple bagasse are retained in the solids generated by hydrothermal treatment at 180 and 230 °C for 2 and 4 h. Such processes stabilize the apple waste and lead to CO2 neutral solid fuels with calorific value close to 30 MJ/kg. The agrochemical properties of the solid by-products suggest their potential to improve soil quality. Aqueous streams containing valuable phenolic compounds and saturated fatty acids are generated simultaneously, which provide additional cost-effectiveness. The by-products characteristics can be suited to the final application by selecting the reaction temperature, whereas the process duration has less impact. Optical microscopy and reflectance measurements are presented, for the first time, as powerful tools for assessing the biomass transformation when subjected to hydrothermal treatment under different conditions. |
author2 |
Ministerio de Economía y Competitividad (España) |
author_facet |
Ministerio de Economía y Competitividad (España) Suárez Fernández, Loreto Benavente-Ferraces, Iria Plaza de Carlos, César Pascual-Teresa, Sonia de Suárez Ruiz, Isabel Álvarez Centeno, Teresa |
format |
artículo |
topic_facet |
Apple waste Hydrothermal carbonization Solid fuel Soil amendment Bioactive compounds |
author |
Suárez Fernández, Loreto Benavente-Ferraces, Iria Plaza de Carlos, César Pascual-Teresa, Sonia de Suárez Ruiz, Isabel Álvarez Centeno, Teresa |
author_sort |
Suárez Fernández, Loreto |
title |
Hydrothermal carbonization as a sustainable strategy for integral valorisation of apple waste |
title_short |
Hydrothermal carbonization as a sustainable strategy for integral valorisation of apple waste |
title_full |
Hydrothermal carbonization as a sustainable strategy for integral valorisation of apple waste |
title_fullStr |
Hydrothermal carbonization as a sustainable strategy for integral valorisation of apple waste |
title_full_unstemmed |
Hydrothermal carbonization as a sustainable strategy for integral valorisation of apple waste |
title_sort |
hydrothermal carbonization as a sustainable strategy for integral valorisation of apple waste |
publisher |
Elsevier |
publishDate |
2020-04-16 |
url |
http://hdl.handle.net/10261/215887 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/100011941 |
work_keys_str_mv |
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1777669039931260928 |