Carbon gas storage cavern is the best way to obtain clean energy from a fossil fuel

ScienceDaily | 2/13/2019 | Staff
Les7799 (Posted by) Level 3
The innovation, the result of a patent deposited in 2018, consists of injecting the CO2 and CH4 that comes from wells during oil extraction into salt caverns as a way to reduce the amount of carbon gas in the emissions.

The first "pilot cavern" may be ready by 2022 and is the result of studies carried out at the Research Center for Gas Innovation (RCGI), established by FAPESP and Shell, headquartered at the Polytechnic School of the University of São Paulo (Poli-USP). The RCGI is one of the Engineering Research Centers (ERC) funded by São Paulo Research Foundation -- FAPESP in partnership with companies.

Concept - Carbon - Capture - Storage - CCS

"This is a concept known as Carbon Capture Storage (CCS). In this case, the CO2 is stored in large caverns in the salt layer itself. This is perhaps one of the best ways to obtain clean energy from a fossil fuel during the production process," said Julio Meneghini, a professor at Poli-USP and RCGI coordinator.

Meneghini was one of the speakers on the first day of sessions held during FAPESP Week London, taking place in London February 11-12, 2019.

Site - Cavern - Tests - Areas - Oil

The site of the cavern in which the initial tests will be run has not yet been determined, but is expected to be in one of the areas that hold pre-salt oil fields. During this initial phase, it will likely be half the size of the caverns that will be used when the technology is operating at full capacity: 450 meters in height by 150 meters in width.

According to Meneghini, Brazil will be the first place in the world to use this concept, and the model could be exported to other countries. In addition to storing CO2, the cavern can also store methane and separate the two gases using gravity. Since CH4, also referred to as natural gas, has a lower...
(Excerpt) Read more at: ScienceDaily
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