TotalEnergies embarks on perfect underwater CO2 storage sites off the coast of Denmark

image source: (oilandgasdaily)

TotalEnergies, an oil and gas company, just secured two permits to search for the perfect spot to store millions of tonnes of CO2 in the North Sea. This area is a prime location for carbon storage, as the firm can utilize exhausted oil and gas wells, along with undersea aquifers, all connected by pipelines.

 The TotalEnergies permits cover 2,000 square kilometres, 250 km off the Danish coast and includes the Harald gas field, as well as other aquifers. The goal is to store as much as 5 million tonnes of CO2 by 2030, in an effort to reduce the environmental impact of polluting industries. 

TotalEnergies will hold an 80% stake and act as the operator, with a state-owned Danish firm holding the remaining 20%. This will be TotalEnergies' fourth North Sea project, with previous ventures in British, Dutch, and Norwegian waters.

Carbon capture is the process of capturing carbon dioxide emissions from industrial processes or power generation before they are released into the atmosphere. Here are some proven methods of carbon capture:

Post-combustion capture: This method captures CO2 emissions from flue gases produced during the burning of fossil fuels in power plants.

Pre-combustion capture: This method captures CO2 before combustion, by converting coal or natural gas into a mixture of hydrogen and CO2.

Oxyfuel combustion: This method involves burning fossil fuels in an atmosphere enriched with oxygen to produce a flue gas that is primarily composed of CO2, making it easier to capture.

Chemical looping: This method uses metal oxides to transfer oxygen from air to a fuel, producing a stream of CO2-rich flue gas that can be captured.

Direct air capture: This method involves using chemical processes to extract CO2 directly from the air and store it for later use or underground storage.

These are some of the proven methods of carbon capture currently being used or developed for commercial use. The choice of method depends on the specific industrial process or power plant, and factors such as cost, energy efficiency, and environmental impact.

source: (oilandgasdaily)

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