Jacob Fish (Columbia University)

To harvest reusable carbonation seeds by aqueous carbonation of brucite into magnesium carbonates

The primary objective of the project is to create diverse magnesium carbonate forms as carbonation seeds via aqueous carbonation and explore their seeding efficacy in varying binder systems like hydrated magnesium carbonates (HMC), magnesium silicate hydrates (MSH), and magnesium oxychloride cement (MOC). The significance of the project stems from using novel seed materials in magnesium carbonate production, which includes carbon mineralization, utilization, and storage, marking a promising transition from waste to resources. This initiative builds on creating low-carbon magnesium-based cement from waste such as desalination brine.

Funding Cycle: 2023-204

Focus Area(s): Seeding Efficacy, Carbon Mineralization, Carbon Sequestration