Carbon capture and storage (CCS) is the process of capturing carbon dioxide (CO2) from power sources, like refineries, cement factories and biomass power plants. The CO2 is then transported to a storage site to ensure it will not enter into the earth’s atmosphere.
CCS is a method of mitigating CO2 emissions that contribute to global warming and climate change. The carbon capture process has the potential to reduce major sources of CO2 emissions from coal-fueled power plants and oil refineries. The United Nation Intergovernmental Panel on Climate Change (IPCC) estimates that CCS could reduce CO2 emissions in the world by 10% to 55%.
A consortium of Danish companies is now studying the feasibility of using CCS at biomass combined heat and power (CHP) plants. The study will evaluate the technical and economic feasibility of a CO2 neutral energy system, that uses the subsurface to supply energy, store energy and store waste CO2.
The study analyses a bio-plant retrofitted with a CO2 capture system and a biomass-fired plant. The biomass-fired plant is fueled with wood pellets and has an electric power output of 219 MW.
The consortium consists of Ramboll Group A/S, the Geological Survey of Denmark and Greenland (GEUS), Technical University of Denmark (DTU) and SINTEF Energy Research. Ramboll, headquartered in Copenhagen, Denmark provides engineering, design, and consultancy services. SINTEF headquartered in Trondheim, Norway provides research and design services in technology, medicine and social sciences.
Major oil companies like ExxonMobil, Shell and BP have been working on CCS systems for their chemical plants and refineries. The cost to capture the CO2 has been the primary issue in these operations. If the Danish consortium is successful, CCS may provide the world a viable options to remove CO2 from the atmosphere and slow global warming and climate change.
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