A carbon capture and sequestration (CCS) review and drilling study commissioned by renewable fuels and biochemicals company Aemetis, Inc. (Aemetis) has concluded that over two million metric tonnes (MT) per year of carbon dioxide (CO2) can be captured from the atmosphere and stored safely underground at two ethanol plant sites in California.
The geologic formation review and drilling study was carried out by a subsidiary of Aemetis, Aemetis Carbon Capture whereas global energy services company Baker Hughes conducted the study itself.
The study concluded that 1m MT of CO2 can be sequestered per year in deep underground saline formations at or near the Aemetis Keyes ethanol plant site. Due to the high permeability of the saline formation and other factors it was also noted that up to 1.4m MT per year of CO2 should be injectable at or near the Aemetis Riverbank site.
Commenting on the results, Brian Fojtasek, ATSI, the project manager for the Aemetis Carbon Capture construction phase, said, “The conclusions from the initial Baker Hughes geologic formation and pre-drilling study confirm the feasibility of Aemetis plans to construct two CO2 injection wells at or near the Aemetis biofuels sites.”
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