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The integrity of natural systems is already at risk because of climate change caused by the intense emissions of greenhouse gases in the atmosphere. The goal of geological carbon sequestration is to capture, transport and store CO2 in appropriate geological formations. In this review, we address the geological environments conducive to the application of CCS projects (Carbon Capture and Storage), the phases that make up these projects, and their associated investment and operating costs. Furthermore it is presented the calculations of the estimated financial profitability of different types of projects in Brazil. Using mathematical models, it can be concluded that the Roncador field presents higher gross revenue when the amount of extra oil that can be retrieved is 9.3% (US$ 48.55 billions approximately in 2018). Additional calculations show that the Paraná saline aquifer has the highest gross revenue (US$ 6.90 trillions in 2018) when compared to the Solimões (US$ 3.76 trillions approximately in 2018) and Santos saline aquifers (US$ 2.21 trillions approximately in 2018) if a CCS project were to be employed. Therefore, the proposed Carbon Capture and Storage method in this study is an important scientific contribution for reliable large-scale CO2 storage in Brazil.
The integrity of natural systems is already at risk because of climate change caused by the intense emissions of greenhouse gases in the atmosphere. The goal of geological carbon sequestration is to capture, transport and store CO2 in appropriate geological formations. In this review, we address the geological environments conducive to the application of CCS projects (Carbon Capture and Storage), the phases that make up these projects, and their associated investment and operating costs. Furthermore it is presented the calculations of the estimated financial profitability of different types of projects in Brazil. Using mathematical models, it can be concluded that the Roncador field presents higher gross revenue when the amount of extra oil that can be retrieved is 9.3% (US$ 48.55 billions approximately in 2018). Additional calculations show that the Paraná saline aquifer has the highest gross revenue (US$ 6.90 trillions in 2018) when compared to the Solimões (US$ 3.76 trillions approximately in 2018) and Santos saline aquifers (US$ 2.21 trillions approximately in 2018) if a CCS project were to be employed. Therefore, the proposed Carbon Capture and Storage method in this study is an important scientific contribution for reliable large-scale CO2 storage in Brazil.
O agronegócio é um dos maiores setores econômicos do mundo, desempenhando um papel crucial na economia brasileira, representando quase um quarto do PIB em 2022. No entanto, seu crescimento trouxe desafios, como o impacto ambiental e as mudanças climáticas, exigindo práticas sustentáveis. A pesquisa foi conduzida por meio de uma análise bibliográfica de natureza qualitativa, descritiva e exploratória, utilizando artigos de periódicos nacionais indexados à plataforma da CAPES e no Google Scholar. E teve como objetivo, compreender a importância do mercado de crédito de carbono como uma ferramenta para mitigar as emissões de gases do efeito estufa no setor agrícola brasileiro, além de identificar lacunas no conhecimento científico sobre o tema. Os resultados destacaram a relevância do mercado de crédito de carbono, mas também evidenciaram a limitada adoção dessa prática no Brasil, bem como uma lacuna significativa no conhecimento científico sobre o assunto. Em suma, pôde ser observado que o agronegócio brasileiro enfrenta desafios ambientais e climáticos, requerendo práticas sustentáveis, como o mercado de crédito de carbono, para garantir seu crescimento econômico de forma sustentável. Isso demanda um esforço conjunto do governo, das empresas e da sociedade civil para promover o desenvolvimento sustentável do setor.
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