Bioproducts from the Slow and Fast Pyrolysis of Sugar Cane Bagasse

Abstract:

In this work, it was done a series of analysis in different conditions of the pyrolysis process to verify the difference of the composition in each one of the final products. In the case of the slow pyrolysis the heating ratio varied among 1.5, 20, 40 e 50 °C/min, and analyzed for each of these rates the composition of the final product. For the case of the fast pyrolysis, the temperature varied among 350, 400, 450, 500, 550 °C, maintaining the other conditions of the process constant, in the end of the process analyzed the composition of the final product for each temperature. For the verification of the composition of these products, they were classified and separate in categories according to the functional group, and after that, the ones who had the most relevant quantities were more deeply analyses to verify some important characteristics and the main industry applications. After this, it was determined the ideals conditions of slow and fast pyrolysis. The resulting products were analyzed by gas chromatography/mass spectrometry. For slow pyrolysis, the heating rate of 40°C/min produced a diversified product, composed by the heterocyclics, levoglucosan, phenols and hydrocarbons. The fast pyrolysis produced mainly the heterocyclic compounds, levoglucosan, phenols and carboxylic acids, in temperatures between 450°C and 500°C.

• Periodical: Materials Science Forum (Volume 899)
• Pages: 101-106
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.899.101
• Online since: July 2017
• Authors: Bruno Aurélio Francisco Borges*, Patrícia Moisés Urias, Marcos A.S. Barrozo, Kássia Graciele dos Santos
• Keywords: Analytical Pyrolysis, Biomass, Sugarcane Bagasse

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