Carbon Capture Smokestack
Carbon capture from smokestacks, also known as carbon capture and storage (CCS), is a technology that aims to reduce greenhouse gas emissions from industrial processes, particularly power generation. The process involves capturing carbon dioxide (CO2) emissions from the smokestack or flue gas of power plants or industrial facilities before they are released into the atmosphere.
The captured CO2 is then transported via pipeline or ship to a storage site, where it is either stored underground in geological formations, such as depleted oil and gas fields or deep saline aquifers, or used for enhanced oil recovery.
The technology behind carbon capture from smokestacks typically involves three main steps:
1. Capture: The first step is to capture CO2 from the flue gas or smokestack. There are several technologies available for this, including post-combustion capture, pre-combustion capture, and oxyfuel combustion, depending on the type of facility and the fuel used.
2. Transportation: Once captured, the CO2 needs to be transported to a storage site. This can be done via pipelines or ships, depending on the distance and location of the storage site.
3. Storage: The final step is to store the CO2 in an appropriate geological formation. This can involve injecting the CO2 into deep underground reservoirs, where it is trapped and prevented from entering the atmosphere. Alternatively, the CO2 can be used for enhanced oil recovery, where it is injected into oil wells to increase the pressure and help extract more oil.
Carbon capture from smokestacks has the potential to significantly reduce greenhouse gas emissions from industrial processes, but it is not without its challenges. The technology can be expensive to implement, and there are concerns about the safety and long-term stability of geologic storage sites. Additionally, some critics argue that CCS could be seen as a "clean" solution that allows continued use of fossil fuels, rather than promoting a transition to cleaner sources of energy.