In the context of mitigating the impending global warming due to anthropogenic emission of carbon dioxide, which of the following can be the potential sites for carbon sequestration?
1. Abandoned and Uneconomic coal seams
2. Depleted oil and gas reservoirs
3. Subterranean deep saline formations
Select the correct answer using the code given below:
Explanation
Capturing CO2 from the major stationary sources and its storage into deep geological formations is considered as a potential mitigation option. Geological storage of CO2 can be undertaken in a variety of geological settings in sedimentary basins.
The options for CO2 are as follows:
Depleted oil and gas reservoirs
Use of CO2 in Deep unmineable coal seams/enhanced coalbed methane (ECBM) recovery
Oceans
Deep unused saline water-saturated formations
Other geological media are basalts, shales, and cavities
Subterranean deep saline formations
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