Two phase olive mill waste valorization. Hydrochar production and phenols extraction by hydrothermal carbonization
Olive oil is one of the main products from the Central-Western Region of Argentine Republic, which is mostly obtained by continuous two-phase centrifugation systems. Two-phase-olive-mill-waste (TPOMW) or Alperujo is the main waste generated by this process. This research was conducted in order to gi...
| Autores principales: | , , , , , , |
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| Formato: | info:ar-repo/semantics/artículo |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2021
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/9813 https://www.sciencedirect.com/science/article/abs/pii/S0961953420304098 https://doi.org/10.1016/j.biombioe.2020.105875 |
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| author | Gimenez, Marianela Rodriguez, Manuel Montoro, Laura Sardella, Fabiana Rodríguez Gutiérrez, Guillermo Monetta, Pablo Miguel Deiana, Cristina |
| author_browse | Deiana, Cristina Gimenez, Marianela Monetta, Pablo Miguel Montoro, Laura Rodriguez, Manuel Rodríguez Gutiérrez, Guillermo Sardella, Fabiana |
| author_facet | Gimenez, Marianela Rodriguez, Manuel Montoro, Laura Sardella, Fabiana Rodríguez Gutiérrez, Guillermo Monetta, Pablo Miguel Deiana, Cristina |
| author_sort | Gimenez, Marianela |
| collection | INTA Digital |
| description | Olive oil is one of the main products from the Central-Western Region of Argentine Republic, which is mostly obtained by continuous two-phase centrifugation systems. Two-phase-olive-mill-waste (TPOMW) or Alperujo is the main waste generated by this process. This research was conducted in order to give value to this waste by producing hydrochar and phenolic antioxidant compounds, products of great interest today. For this, the hydrothermal carbonization process was applied, an effective technique to synthesize a broad
range of carbon-rich materials. In this study the extraction of typical phenolic compounds of the olive from the liquid phase generated in this process was also analyzed.
Box Benhken response surface method was applied to obtain the optimal values of the operating conditions of the process and the selected response variables: higher heating value of the hydrochar (HHV) and content of total phenol concentration (TPC) in the liquors. Values of 31.70 MJ.kg-1 and 4429 mL.g-1 were obtained, respectively.
Effectiveness of hydrothermal carbonization for hydrochar was evidenced, achieving 70% increases in the value of HHV and 40% of carbon concentration, compared to raw alperujo. In addition, values of 1.36 and 0.17 were obtained for the H/C and O/C ratios, respectively, and energy yield of 85%. Furthermore, the physico chemical properties evaluated by scanning electron microscopy and Fourier transform infrared spectroscopy, showed their potential application as adsorbent precursor.
In the liquid fraction obtained, phenols could be extracted in attractive concentrations, increasing the content
of hydroxytyrosol and tyrosol 3 and 9 times with respect to the untreated alperujo, respectively. |
| format | info:ar-repo/semantics/artículo |
| id | INTA9813 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA98132023-12-07T13:21:55Z Two phase olive mill waste valorization. Hydrochar production and phenols extraction by hydrothermal carbonization Gimenez, Marianela Rodriguez, Manuel Montoro, Laura Sardella, Fabiana Rodríguez Gutiérrez, Guillermo Monetta, Pablo Miguel Deiana, Cristina Olea Europaea Residuos de Cosechas Hidrocarburos Hydrothermal Flow Crop Residues Hydrocarbons Olivo Alperujo Olive oil is one of the main products from the Central-Western Region of Argentine Republic, which is mostly obtained by continuous two-phase centrifugation systems. Two-phase-olive-mill-waste (TPOMW) or Alperujo is the main waste generated by this process. This research was conducted in order to give value to this waste by producing hydrochar and phenolic antioxidant compounds, products of great interest today. For this, the hydrothermal carbonization process was applied, an effective technique to synthesize a broad range of carbon-rich materials. In this study the extraction of typical phenolic compounds of the olive from the liquid phase generated in this process was also analyzed. Box Benhken response surface method was applied to obtain the optimal values of the operating conditions of the process and the selected response variables: higher heating value of the hydrochar (HHV) and content of total phenol concentration (TPC) in the liquors. Values of 31.70 MJ.kg-1 and 4429 mL.g-1 were obtained, respectively. Effectiveness of hydrothermal carbonization for hydrochar was evidenced, achieving 70% increases in the value of HHV and 40% of carbon concentration, compared to raw alperujo. In addition, values of 1.36 and 0.17 were obtained for the H/C and O/C ratios, respectively, and energy yield of 85%. Furthermore, the physico chemical properties evaluated by scanning electron microscopy and Fourier transform infrared spectroscopy, showed their potential application as adsorbent precursor. In the liquid fraction obtained, phenols could be extracted in attractive concentrations, increasing the content of hydroxytyrosol and tyrosol 3 and 9 times with respect to the untreated alperujo, respectively. EEA San Juan Fil: Gimenez, Marianela. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Ingeniería Química; Argentina Fil: Rodríguez, Manuel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Fil: Montoro, Laura. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Ingeniería Química; Argentina. Fil: Sardella, Fabiana. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Ingeniería Química; Argentina. Fil: Rodríguez Gutierrez, Guillermo. Instituto de la Grasa-CSIC; España. Fil: Monetta, Pablo Miguel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Fil: Deiana, Cristina. Universidad Nacional de San Juan. Facultad de Ingeniería. Instituto de Ingeniería Química; Argentina. 2021-07-14T19:17:19Z 2021-07-14T19:17:19Z 2020-12 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/9813 https://www.sciencedirect.com/science/article/abs/pii/S0961953420304098 0961-9534 https://doi.org/10.1016/j.biombioe.2020.105875 eng info:eu-repo/semantics/restrictedAccess application/pdf Elsevier Biomass and Bioenergy 143 : 105875 (December 2020) |
| spellingShingle | Olea Europaea Residuos de Cosechas Hidrocarburos Hydrothermal Flow Crop Residues Hydrocarbons Olivo Alperujo Gimenez, Marianela Rodriguez, Manuel Montoro, Laura Sardella, Fabiana Rodríguez Gutiérrez, Guillermo Monetta, Pablo Miguel Deiana, Cristina Two phase olive mill waste valorization. Hydrochar production and phenols extraction by hydrothermal carbonization |
| title | Two phase olive mill waste valorization. Hydrochar production and phenols extraction by hydrothermal carbonization |
| title_full | Two phase olive mill waste valorization. Hydrochar production and phenols extraction by hydrothermal carbonization |
| title_fullStr | Two phase olive mill waste valorization. Hydrochar production and phenols extraction by hydrothermal carbonization |
| title_full_unstemmed | Two phase olive mill waste valorization. Hydrochar production and phenols extraction by hydrothermal carbonization |
| title_short | Two phase olive mill waste valorization. Hydrochar production and phenols extraction by hydrothermal carbonization |
| title_sort | two phase olive mill waste valorization hydrochar production and phenols extraction by hydrothermal carbonization |
| topic | Olea Europaea Residuos de Cosechas Hidrocarburos Hydrothermal Flow Crop Residues Hydrocarbons Olivo Alperujo |
| url | http://hdl.handle.net/20.500.12123/9813 https://www.sciencedirect.com/science/article/abs/pii/S0961953420304098 https://doi.org/10.1016/j.biombioe.2020.105875 |
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