Banca de QUALIFICAÇÃO: ALI HASSAN KHALID

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : ALI HASSAN KHALID
DATE: 31/01/2023
TIME: 09:00
LOCAL: Remota
TITLE:

Towards improving carbonization of Brazil nutshells in Amazon: bioenergy properties and a practical cutting technology

KEY WORDS:

Higher Calorific Value, Bioenergy, Lignocellulosics, Pyrolysis, Mechanics, Kinetics

PAGES: 40
BIG AREA: Ciências Agrárias
AREA: Recursos Florestais e Engenharia Florestal
SUMMARY:

The Brazil Nut is one of the main non-timber exports from the Amazon, with 85% of the fruit consisting of residues from its harvest and debarking yearly available. The Amazon extractivist communities could benefit from the sustainable use of such biomass. This work comprises three stages: (i) to review current research and technologies for the sustainable potential of Brazil Nut residues, (ii) to design and produce a device capable of helping the local communities to debark the Brazil Nuts easily, and (iii) to evaluate the energy potential of biomass and charcoal from both fresh and degraded Brazil Nutshell (BNS) mesocarp. Brazil Nut residues are suitable for conversion into many bioproducts and biofuels. However, carbonization is applied nowadays. The current method for carbonizing BNS residues leaves a lot of the residue partially carbonized, which decreases the market value. This undesired result is mainly because the shape of residues harms carbonization. Since Brazil Nutshell has remarkable physical properties and strength, it is difficult to cut them into a suitable shape for traditional carbonization. Therefore, a device has been designed for the quick, safe, and efficient cutting of the BNS for later carbonization without harming the edible nuts. Fresh BNS mesocarp samples presented a higher calorific value of 4797 kcal/kg, while degraded BNS mesocarp samples showed a higher calorific value of 4600 kcal/kg. Thermogravimetric analysis indicated that fresh and degraded BNS mesocarp samples are suitable for carbonization and have energy potential. Proximate chemical analysis of charcoal and biomass from fresh BNS mesocarp samples, along with the calorific value and energy density of charcoal from fresh and degraded samples, will be measured soon.

BANKING MEMBERS:
Presidente - 2410727 - LINA BUFALINO
Interno - 741.673.590-49 - GUSTAVO SCHWARTZ - EMBRAPA
Externo à Instituição - MATHEUS CORDAZZO DIAS
Externo à Instituição - PAULO RICARDO GHERARDI HEIN