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DOE-sponsored project shows huge potential for carbon storage in Wyoming; potential for lithium recovery to offset cost

The Wyoming Rock Springs Uplift could potentially store 14 to 17 billion metric tons of carbon dioxide (CO2), according to results from a Department of Energy-sponsored study. This is equal to 250 to 300 years’ worth of CO2 emissions produced by the Wyoming’s coal-fired power plants and other large regional anthropogenic CO2 sources at current emission levels.

The project team—led by the University of Wyoming’s Carbon Management Institute and sponsored by the Office of Fossil Energy’s National Energy Technology Laboratory—gathered geologic, hydrologic and geochemical data from a 12,810-foot-deep stratigraphic test well drilled to evaluate the area’s potential as a long-term, high-volume storage site for CO2.

The Rock Springs Uplift, a geologic feature in southwestern Wyoming, was found to have the sought-after combination of (1) ideal geological characteristics for carbon storage, and (2) proximity to some of Wyoming’s largest sources of anthropogenic CO2 emissions.

To evaluate the site’s potential for CO2 storage, the project team performed digital imaging of a core sample to learn about the formation’s grain size, mineralogy, facies distribution, and porosity. In addition, the team studied a comprehensive set of geophysical data from the test well, focusing on two potential CO2 storage reservoirs—the Madison Limestone and the Weber/Tensleep Sandstone—and the overlying formations that would trap the CO2 at depth.

The researchers discovered that, along with the promise of a prime CO2 storage space, the deep saline waters of the Rock Springs Uplift contain high, commercially viable concentrations of lithium: ~190 parts per million for the Weber/Tensleep Sandstone, and ~130 parts per million for the Madison Limestone.

For every 1 million metric tons of CO2 stored, approximately 250 metric tons of lithium carbonate, with an approximate market value of $1.6 million, could be recovered from processed brine. Lithium, which is used in batteries and other electronics applications, has become vital as many nations transition to greener technologies. The recovered lithium could generate revenue to offset the cost of CO2 storage and help reduce the need for lithium import.

In addition to the testing completed within the characterization well, and on samples removed from it, the project team performed a three-dimensional seismic survey of a 25-square-mile area around the test site. The seismic data allowed the researchers to extrapolate the geologic properties measured in the well—such as porosity, permeability, and fluid saturation—to the rocks throughout the two storage reservoirs and confining formations. This made it possible to build realistic three-dimensional geologic models of these formations. Combining this with information gathered in the lab from the core samples, the researchers developed realistic assessments of how injected CO2 would behave in the storage reservoirs, which in turn yielded greatly improved CO2 storage capacity estimates.

This research effort, funded by the American Recovery and Reinvestment Act of 2009, will provide significant information to the National Carbon Sequestration Database and Geographic Information System (NATCARB), a geographic information system–based tool developed by the National Energy Technology Laboratory to provide a view of carbon capture and storage potential nationwide. The results could also lay the groundwork for a future large-scale carbon capture and storage project in Wyoming.




To put those lithium carbonate figures in context this would be good for 3-4 million tons, and world reserves are around 150 million tons.

That is enough for 150-200 million or so 50kwh battery packs.


I was using 1kg/lkwh.
The report I reference puts it at around 0.6kg/kwh.
So this one resource in Wyoming is enough for the whole of the US light vehicle fleet.


The proposed Shell Quest CCS project near Fort Saskatchewan, Alberta is expected to have a capacity of 1.1 million tonnes per year at a cost of $1.35 billion. I work this out to be $1227 per tonne of capacity. If a meager return of %10 is required to cover capital and depreciation is required, then the annual cost per tonne is $135 without considering operating costs. There is some value using the CO2 for EOR but its never stated. It takes about 1 kg of coal to produce 1 kwh of electricity so sequestering all the carbon would cost 10 cents per kwh at $100/tonne.

Based on my calculations it appears that spending the capital required for CCS projects on solar and energy storage technologies would make a lot more sense. Maybe I'm missing something? The extra $1.60/tonne from lithium may be insignificant.

Nick Lyons

Leave the carbon in the ground in the first place. Ramp up deployment of nuclear and accelerate investment in 4th gen nuclear to displace fossil (coal) power generation. CCS is just an expensive way to continue BAU for entrenched interests (fossil fuel companies).

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