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Título

Pyrolysis technology for Cortaderia selloana invasive species. Prospects in the biomass energy sector

AutorPérez Gómez, Alejandro CSIC ORCID ; Ruiz Bobes, Begoña CSIC ORCID ; Fuente Alonso, Enrique CSIC ORCID ; Calvo, Luis Fernando; Paniagua, Sergio
Palabras claveBio-char
Bio-fuel
Cortaderia selloana biomass
Flash pyrolysis
Pampa grass invasive species
Pyrolysis technology
Fecha de publicación4-ene-2021
EditorElsevier
CitaciónRenewable Energy 169: 178-190 (2021)
ResumenCortaderia selloana (CS), is an invasive and exotic species that is generating significant invasive problems in the Iberian Peninsula ecosystems. The objective of this research was to study this plant potential thorough a pyrolytic process helping to reduce its expansion. Stems and leaves were subjected to conventional and flash pyrolysis. These processes were carried out in an original design oven using a 25 °C/min heating ramp at a 750 °C temperature and during 60 min at the pyrolysis temperature for conventional pyrolysis and with 750 °C and 850 °C pyrolysis temperatures for flash. Gas-fraction obtained by flash pyrolysis had higher HHV data when compared with conventional ones (∼17 MJ/kg vs ∼5 MJ/kg) due to their less CO2 and higher CO, CH4 and H2. The greater bio-oil yield was obtained for CSS-P (33.58%). The composition of conventional pyrolysis bio-oils had an overbearing of nonaromatic and monoaromatic hydrocarbons nature whereas bio-oils from flash pyrolysis were composed mainly of polycyclic aromatic hydrocarbons. Bio-char fraction was higher in CSL than CSS with HHV similar to lignite and bituminous coals (22.74–29.12 MJ/kg). After done the quantification and characterization of the fractions, it was concluded that a possible energetic valorization of Cortaderia selloana biomass was possible.
Versión del editorhttps://doi.org/10.1016/j.renene.2021.01.015
URIhttp://hdl.handle.net/10261/260861
DOI10.1016/j.renene.2021.01.015
ISSN0960-1481
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