Eventos Anais de eventos
ENCIT 2022
19th Brazilian Congress of Thermal Sciences and Engineering
IN-SITU catalytic pyrolysis of sugarcane bagasse using calcium carbonate for biofuel production.
Submission Author:
Ana Helena Campos Pereira , SP , Brazil
Co-Authors:
Ana Helena Campos Pereira, Ana Julia de Oliveira Silva, Carlos Manuel Romero Luna, Ivonete Ávila, Fábio Roberto Vieira, Renato Batista, Bruna de Jesus Bueno Machado, Gretta Larisa Aurora Arce Ferrufino
Presenter: Ana Helena Campos Pereira
doi://10.26678/ABCM.ENCIT2022.CIT22-0632
Abstract
Currently, to satisfy energy demand aiming at reducing greenhouse gas emissions, mainly carbon dioxide (CO2), the use of biomass has been proposed. Brazil is a major producer of sugarcane and generates a large amount of sugarcane bagasse (SCB). The biomass pyrolysis process has been studied as a process with the potential to produce biofuels (bio-oil, biochar and gas) with high energy density, however the bio-oil obtained from the thermal pyrolysis process has a high oxygen content, which impairs the quality and calorific value of the bio-oil. This problem can be solved with the addition of a catalyst. In this work, CaCO3 was used as a catalyst in the pyrolysis of SCB and demonstrated that the catalyst influences the pyrolysis products. The presence of the catalyst caused a significant increase in the mass yield of the biochar, however, keeping the yields of bio-oil above 40%, the mass yield of the pyrolytic gas was below 20%. In the bio-oil obtained with the presence of the catalyst, a color clarification was observed, which indicates a clear change in the chemical composition. The calorific value of the biochar obtained in the thermal condition is superior to the catalytic one.
Keywords
pyrolysis, Catalyst, Biomass, carbonates, bio-oil
