Slow pyrolysis of relevant biomasses in the Mediterranean basin. Part 1. Effect of temperature on process performance on a pilot scale
2016
Gómez, Natalia | Rosas, José Guillermo | Cara, Jorge | Martínez, Olegario | Alburquerque, José Antonio | Sánchez, Marta Elena
The present study focused on assessing the effect of the temperature (350, 450 and 550 °C) on the pyrolysis performance of several biomasses: olive stone, almond shell, pine wood and olive-tree pruning. First, they were subjected to thermogravimetric and Differential Scanning Calorimetric analyses to determine their thermal decomposition and heat flux. Afterwards, several tests were performed in a pilot plant reactor for char production. Moreover, a characterisation of the pyrolysis products and an assessment of both energy requirements and potentially energy self-sufficient process were performed. Our results show that the process was feasible with low grade pretreated biomass and it would become self-sufficient with the energy from gas and liquid fractions at 350 °C. The analyses of the char samples (proximate, elemental and organic carbon (Corg) analyses) show that almost all of them had features indicating that they were “biochar”, suggesting high stability at higher formation temperatures based on their molar ratios (H/Corg; O/Corg). However, a more detailed characterisation is necessary to assess the quality of char as a soil amendment.
Show more [+] Less [-]AGROVOC Keywords
Bibliographic information
This bibliographic record has been provided by National Agricultural Library