Banca de QUALIFICAÇÃO: FRANCISCO EMANUEL DA SILVA

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : FRANCISCO EMANUEL DA SILVA
DATE: 14/06/2023
TIME: 08:00
LOCAL: videoconferência
TITLE:

Nanostructured mesoporous materials with different morphologies: Support for co₂ conversion catalyst

KEY WORDS:

SBA-15; KIT-6; Morphology; CO_2; Hydrogenation; Methanol

PAGES: 109
BIG AREA: Ciências Exatas e da Terra
AREA: Química
SUBÁREA: Físico-Química
SPECIALTY: Cinética Química e Catálise
SUMMARY:

Carbon Dioxide has been the subject of many discussions worldwide due to its great impact on the study effect of the planet, among many sources of emission is the oil and energy industry. There are many alternatives on how to reduce this problem, for example, hydrogenation to produce methanol. This is a profitable process, which has attracted many studies, such as the use of silica supports for anchoring copper, zinc, and zirconium-based catalysts. Among these supports there are the nanostructured mesoporous materials of the type of SBA-15 and KIT-6, which due to their textural properties have attracted much attention in this process. These properties can be improved through the change of morphology, which occurs through its synthetic process. Thus, the objective of this work is to synthesize nanostructured mesoporous materials of the type of SBA-15 and KIT-6 with different morphologies, to obtain different textural properties, to be used in the hydrogenation of carbon dioxide (CO₂) to obtain methanol. The materials were characterized by X-ray Diffraction, N₂ Adsorption and Desorption, Scanning Electron Microscopy (SEM), Furrier Transform Infrared (FTIR). Materials in different morphologies were successfully obtained, with different textural properties, such as specific area, external area, pore volume, pore diameter and wall thickness and their influence on the material structure, such as parameter and mesoporous and chemical groups existing on the surface of the material.

COMMITTEE MEMBERS:
Externa à Instituição - ANNE GABRIELLA DIAS SANTOS - UERN
Interno - 350509 - ANTONIO SOUZA DE ARAUJO
Externa à Instituição - MARIELE IARA SOARES DE MELLO - UFRN
Presidente - 1308577 - SIBELE BERENICE CASTELLA PERGHER