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Authigenic carbonates as natural analogues of mineralisation trapping in CO2 sequestration: progress report and preliminary results
Authigenic carbonates as natural analogues of mineralisation trapping in CO2 sequestration: progress report and preliminary results

1st October 2013

Organisation(s): Australian National Low Emissions Coal Research & Development (ANLEC R&D), CO2CRC, Geoscience Australia

Topic(s): Carbon capture, CO2 storage, Use and storage (CCUS)

Mineral trapping is the most secure form of CO2 storage, however, these reactions are likely to be very slow and have pre-requisition on the environment settings. An accurate model, able to predict the conditions required for acceleration of mineralisation trapping (in particular storage reservoirs), is the first step towards engineering to maximise storage security and efficiency. This project is currently working on the determination of groundwater chemistry and reservoir conditions responsible for natural carbonate mineralisation within the Great Artesian Basin. The ultimate goal is an understanding of the likelihood of engineered mineral trapping to maximize storage security and storage efficiency in the Surat and other onshore sedimentary basins. This is an interim report on research progress to date.

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