Understanding the pyrolysis behavior of agriculture,forest and aquatic biomass: Products distribution and characterization |
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Affiliation: | 1. Instituto de Carboquimica (ICB-CSIC), C/Miguel Luesma 4, 50018 Zaragoza, Spain;2. Grupo de Investigaciones Ambientales, Instituto de Energía, Materiales y Medio Ambiente, Universidad Pontificia Bolivariana, Circular 1 No. 70-01, Bloque 11, piso 2, Medellín, Colombia;3. Department of Chemistry, Universitat Autònoma de Barcelona, Edifici Cn — Campus de la UAB, 08193 Cerdanyola del Vallès, Barcelona, Spain |
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Abstract: | Pyrolysis studies on agricultural (rice straw), forest (pine) and aquatic (Ulva lactuca) biomass were carried out in a fixed bed reactor at different temperature range of 300–550 °C. The product distributions and their characterization of products were compared among these biomasses. The maximum liquid product yield 29.4, 57.5 and 25.6 wt% obtained at 400, 500 and 400 °C respectively from rice straw (RS), pine (PN) and Ulva lactuca (UL) biomass. However, the higher conversion was observed in the case of pine wood biomass 77.0% at 550 °C. From the GC-MS analysis, it is observed that RS and PN bio-oil mostly composed of derivatives of phenolic compounds, while UL bio-oil composed of cyclopentenone derivatives compounds. The highest higher heating value (HHV) was found in pine bio-oil 34.8 MJ/kg. Also PN pyrolytic bio-oil had higher boiling point differences compounds. The bio-char analysis showed that the PN bio-char is a carbon rich and porous in nature as compared to the RS and UL bio-char. |
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Keywords: | Slow pyrolysis Different type biomass Fixed-bed reactor Bio-oil Bio-char |
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