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Geologic Carbon Storage (GCS)

Dana in the field

The injection of large volumes of CO2 into the subsurface is an essential strategy for both enhanced energy extraction and the disposal of waste products derived from energy generation. As the CO2interacts with mineral surfaces and dissolves into local fluids, the ensuing chemical reactions transform the subsurface environment and impact the fate and transport of CO2 and other fluids.

The goal of our collective experimental studies, geochemical modeling and field observations is to provide new insights into the reactivity of CO2-bearing fluids with mineral surfaces from several angles:

  1. Direct mineral carbonation using Mg-silicates.
  2. Redox transformations involving CO2 that may alter the porosity and permeability of petroleum reservoirs, or chemically reduce CO2 to form new carbon compounds.
  3. Reactions between mineral surfaces and aqueous species in mesopores that enhance chemical transformations (i.e., pores with diameters between 2 and 50 nanometers). 
  4. Methods for detecting and mitigating CO2 leaks, including emplacement of reactive barriers (part of the CO2 Capture Project, Phase 3). 

Also visit the Stanford Center for Carbon Storage (SCCS) website to learn more about all of the carbon storage research at Stanford.

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Global Climate & Energy Project | January 15, 2016

Read an interview with Professor Kate Maher regarding her experience as a GCEP (Global Climate and Energy Project) distinguished lecturer.