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All Journal IJOCE (International Journal of Offshore and Coastal Engineering)
Batami, Jennifer
Chemical Engineering University of Indonesia, Depok, Indonesia
Engineering

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Harnessing Ocean Alkalinity Enhancement (OAE) for CO₂ Decomposition and Renewable Energy Production : The AODOP Innovation Towards Net-Zero Emissions 2060 Batami, Jennifer; Rafif P, Nadhif; Dewi, Syafira
International Journal of Offshore and Coastal Engineering (IJOCE) Vol 8, No 2 (2024)
Publisher : Pusat Publikasi Ilmiah Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25800914.v8i2.22079

Abstract

As the concentration of carbon dioxide (CO₂) in atmosphere increases, carbon emissions entering the oceans have become a significant concern in context climate change studies as stated by the Intergovernmental Panel on Climate Change (IPCC) report, 30% of anthropogenic CO₂ emissions are absorbed by the oceans, leading decrease in ocean pH and harmful impacts on marine ecosystems. In order to address this challenge, Ocean Alkalinity Enhancement (OAE) has emerged as a promising strategy. By using calcium carbonate compounds, OAE aims to increase seawater alkalinity and enhance its capacity to decompose CO₂. The practical implementation of OAE until now is still under further research. Therefore, the initial stage of this application will be carried out in a storage tank as an initial trial before being applied on a large scale. Furthermore, the results of the OAE process can contribute to production of renewable energy through the implementation of Pressure Retarded Osmosis (PRO) technology, which leverages the salinity gradient between seawater with high alkalinity and freshwater to generate energy. By combining OAE with PRO this approach offers a promising pathway toward a thriving blue future to facilitate the integration of marine ecosystems in achieving sustainability and net-zero emission by 2060.
Co-Authors Dewi, Syafira Rafif P, Nadhif