Mixing and dilution controls on marine CO2 removal using alkalinity enhancement
In the human body, dialysis is used to remove waste, a process that helps to reduce acidity in the blood. Scientists are using a similar process to withdraw seawater, remove acid, and return the high alkalinity water to the ocean. Ocean alkalinity enhancement is being studied by various agencies including NOAA as a way to accelerate CO2 capture to help combat climate change. The added benefit is mitigation of ocean acidification. Puget Sound Institute affiliates at the Salish Sea Modeling Center used the Salish Sea Model to assess the feasibility of such a technology in our waters.
Citation
Tarang Khangaonkar et al. 2024. Mixing and dilution controls on marine CO2 removal using alkalinity enhancement. Environ. Res. Lett. 19 104039 DOI 10.1088/1748-9326/ad7521 https://iopscience.iop.org/article/10.1088/1748-9326/ad7521