Banca de QUALIFICAÇÃO: SARAH NATACHA DE OLIVEIRA ALMEIDA

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
DISCENTE : SARAH NATACHA DE OLIVEIRA ALMEIDA
DATA : 07/12/2017
HORA: 14:00
LOCAL: AUditório do PPGEQ
TÍTULO:

EVALUATION OF MICROREACTORS IN CO2 ABSORPTION

PALAVRAS-CHAVES:

Microreactors, absorption, CO2

PÁGINAS: 84
GRANDE ÁREA: Engenharias
ÁREA: Engenharia Química
RESUMO:

The microfluidic systems has achieved great interest in the last decades due to the intensification of the processes. In this configuration, the process occurs continuously, with the reactions and the transfer phenomena occurring in the individualized form with maximum gradients. A feature to be highlighted in these reactors, compared to conventional chemical reactors, is the higher surface area / volume ratio, which favors a higher yield, selectivity and energy efficiency of the reaction. In this work, the CO2 absorption process in water and amine (MEA) was studied using different types of micro-reactors (T-System, Type Funil, Type T Microrrheor, and T-Junction Microrrheor) and evaluating different compositions of the gas phase N2, CO2 and CH4). Also, experiments were performed under operational conditions with different gas / liquid volumetric ratio values. In general, the flow regime was slug type and the results showed that the maximum CO2 removal efficiency ocurred using the Junction T Microreator occurred with removal efficiency greater than 90% and gas / liquid volumetric ratio of 7:30 without MEA and was 100% at concentrations of MEA above 0.5M in all volumetric ratios gas / liquid studied.

MEMBROS DA BANCA:
Interno - 1584174 - DOMINGOS FABIANO DE SANTANA SOUZA
Externo à Instituição - FRANCISCO WENDELL BEZERRA LOPES - UnP
Presidente - 1547970 - JACKSON ARAUJO DE OLIVEIRA
Externo à Instituição - JUAN ALBERTO CHAVEZ RUIZ - CTGás