Banca de QUALIFICAÇÃO: MARCELA CRISTINA PEREIRA DOS SANTOS ALMEIDA

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : MARCELA CRISTINA PEREIRA DOS SANTOS ALMEIDA
DATE: 29/10/2021
TIME: 14:00
LOCAL: Plataforma Google Meet
TITLE:

Energy valorization of suppressed species in the implementation of a wind energy project

KEY WORDS:

Plant suppression, fast pyrolysis, biomass valorization

PAGES: 40
BIG AREA: Ciências Agrárias
AREA: Recursos Florestais e Engenharia Florestal
SUBÁREA: Energia de Biomassa Florestal
SUMMARY:

The need to diversify the Brazilian energy matrix, due to water scarcity and the need for low-carbon energy sources, has sparked research in the search for renewable alternatives for energy generation. Given the growing wind potential, especially in the Northeast region and the state of Rio Grande do Norte, there is a considerable increase in vegetation suppression, as a result of the installation of wind complexes. The present work aimed to present an energetic valorization of the suppressed species, through energetic characterization and fast pyrolysis. The data that supported the work were provided by an environmental consultancy company from the state of Rio Grande do Sul and for the energetic characterization of the waste produced during the suppression of native species of the caatinga, immediate analysis, apparent density, thermogravimetric analysis and determination of the chemical composition of the ash of the caatinga were carried out. biomass by X-ray fluorescence. Analytical fast pyrolysis was developed in an HP-R 5200 pyrolyzer from CDs Analytical at 500 °C coupled to a gas chromatograph to identify the pyrolysis products. The pyrolysis results confirm the presence of several oxygenated compounds characteristic of the decomposition of lignocellulosic materials, such as phenols, ketones and light oxygen compounds, containing between 1-4 carbon atoms, which comprise carboxylic acids. It is expected with the results of this research to approach the energy potential of the suppressed species in order to quantify the energy that can be generated by these biomasses, which do not have a defined destination.

BANKING MEMBERS:
Presidente - 1979301 - RENATA MARTINS BRAGA
Interno - 1079298 - ALEXANDRE SANTOS PIMENTA
Externo à Instituição - JANDUIR EGITO DA SILVA - IFRN