Setembro 2025 vol. 12 num. 1 - XXXII Simpósio Internacional de Engenharia

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Captura de CO2 on board - uma abordagem inovadora

On-board CO2 capture - an innovative approach

MAIA, DECIO MAGIOLI ; PIMENTEL, Valéria ; SÁ, RICARDO ALMEIDA BARBOSA DE ; BELCHIOR, Jadson Cláudio ; PEREIRA, GEISON VOGA ;

Trabalho completo:

O artigo descreve o desenvolvimento de um sistema de captura de CO2 on board visando reduzir as emissões de veículos diesel pesados. Foi desenvolvido um ciclo de ensaios de emissões em tráfego real (RDE) adequado às exigências das normas e legislações pertinentes, em caminhão adaptado às condições de trabalho com o material adsorvente desenvolvido e às características locais do fabricante do veículo. As adaptações do veículo envolveram o desenvolvimento de um reator para encapsulamento do material adsorvente, sem perda de carga, e o acoplamento do sistema de monitoramento para o teste RDE. Uma série de testes RDE foi realizado sem o reator de adsorção, usando misturas de óleo diesel, biodiesel e diesel verde (HVO) em diferentes percentuais, sem diferença estatística. Os testes mediram as emissões de CO, CO2,THC, NMHC, CH4 e NOx e, com o reator, a capacidade do sistema em adsorver o CO2. Os resultados mostraram uma excelente captura de CO2. Os ensaios com captura somente durante o ciclo urbano, mostraram que a captura de CO2 apresentou-se ainda mais significativa, evidenciando ter sido mais efetiva neste ciclo devido à temperatura mais baixa de exposição do material adsorvedor. Esse projeto contou com a parceria do INT, UFMG, de uma montadora e do programa FUNDEP - ROTA 2030.

Trabalho completo:

This paper describes the development of an on board CO2 capture system to reduce emissions from heavy-duty diesel vehicles. A real-traffic emissions (RDE) test cycle was developed, in compliance with the requirements of the relevant standards and legislation, in a truck adapted to the working conditions with the developed adsorbent material and to the local characteristics of the vehicle manufacturer. The vehicle adaptations involved the development of a reactor for encapsulation of the adsorbent material, without pressure drop, and the coupling of the monitoring system for the RDE test. A series of RDE tests were performed without the adsorption reactor, using blends of diesel oil, biodiesel and green diesel (HVO) in different percentages, without statistical difference. The tests measured the emissions of CO, CO2, THC, NMHC, CH4 and NOx and, with the reactor, the system's capacity to adsorb CO2. The results showed excellent CO2 capture. The tests with capture only during the urban cycle showed that CO2 capture was even more significant, showing that it was more effective in this cycle due to the lower exposure temperature of the adsorbent material. This project was in partnership with INT, UFMG, an automaker and the FUNDEP - ROTA 2030 program.

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DOI: 10.5151/simea2025-PAP72

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Como citar:

MAIA, DECIO MAGIOLI; PIMENTEL, Valéria; SÁ, RICARDO ALMEIDA BARBOSA DE; BELCHIOR, Jadson Cláudio; PEREIRA, GEISON VOGA; "Captura de CO2 on board - uma abordagem inovadora", p. 356-365 . In: Anais do XXXII Simpósio Internacional de Engenharia. São Paulo: Blucher, 2025.
ISSN 2357-7592, DOI 10.5151/simea2025-PAP72

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