Researchers at the Korea Institute of Energy Research have developed a carbon dioxide (CO2) capture process for treating exhausts gas using a polymer membrane.
Carbon sequestration requires a multi-step procedure whereby waste CO2 from large point sources, is captured, transported to storage sites and deposited. Carbon capture is a critical step in this process and represents a significant portion of the overall cost. This newly developed exhaust gas treatment system for CO2 capture offers numerous advantages over existing technology including: reduction in environmental harmful exhaust gases from carbon capture process; minimisation of installation space requirements; and a significant reduction in installation costs.
In recent years there has been an accelerated development of technology focused on the reduction of CO2 emissions, due in part to the increase of climate change mitigation focused regulations. Advanced carbon capture technology is at the forefront of research centred on the reduction of CO2 emissions. Prior commercialised carbon capture technologies have neglected to incorporate methods for handling the unavoidable harmful exhaust gasses present in the carbon capture process. Consequently, there is a need for methods of managing these gasses within the carbon capture process. Researchers at the Korea Institute of Energy Research have met this challenge and designed a sophisticated polymer membrane process capable of treating the harmful exhaust gasses present during common carbon capture method. This advanced technology addresses the necessity of managing these gasses and their known negative environmental implications.
This newly developed exhaust gas treatment system for carbon capture offers numerous advantages over existing technology. Specifically, harmful exhaust gasses can be removed; installation space, of the desulfurization facility, can be minimized and process costs reduced through the application of exhaust gas treatment device using the polymer separator.
Exhaust gas treatment system using polymer membrane for carbon dioxide capture method:
The basic concept of the ‘Exhaust gas treatment device for carbon dioxide capture’ is the minimisation of pollutants introduced, in the exhaust gas, during the carbon capture process. This process enables the utilisation of negative pressure in order that NOx or the NOx SO2 separation can occur through the separation membrane modules in the polymer membrane. To achieve the above objective several key components are necessary, those being: a CO2 capture device for capturing carbon dioxide from the exhaust gas of the boiler; a flue gas denitration facility and a CO2 capture device located between boilers; a dust-collecting equipment and a flue gas desulfurization facility are required; and a separation membrane component.
This advanced technology functions through the careful management of a series of stages. Firstly, a boiler heats input gasses and flue-gas denitrification equipment enable the separation of NOx from the gas mixture. Next dust collection equipment cleans the gas mixture and flue-gas desulfurization equipment separates NOx SO2. After this stage, the exhaust gas is funnelled into a gas treating apparatus using a polymer membrane, where NO2 and SO2 are separated via the membranes negative pressure, separated gas continued to sulfuric acid manufacturing equipment. The remaining gas, containing CO2, progresses to the carbon capture process, which consists of: CO2 capture equipment, CO2 compressing equipment and CO2 storing equipment. Following the completion of the carbon capture processes captured carbon can be removed and stored or used for numerous applications. Excess heat and clean exhaust gas are removed from the process through an outlet chimney. Additional mercury halogenation apparatus and ion absorption apparatus can be incorporated into the process, situated after the flue-gas denitrification stage, if required.
Intellectual property status
Granted Patent
Patent number : 8551226
Where : USA
Intellectual property status
Granted Patent
Patent number : 2514510
Where : Europe
Current development status
Commercially available technologies
Desired business relationship
Technology selling
Patent licensing
Joint ventures
Technology development
New technology applications
Adaptation of technology to other markets
Since the founding in 1977, the KIER has had focused on energy technology R&D which is closely related with our living standards and national security while overcoming the challenges we have faced as a resource poor country.
KIER's R&D areas include improving efficiency and securing environment-friendly way in use of limited conventional energy resources such as oil, coal as well as natural gas and exploring new energy sources such as solar, wind and water as well as its commercialization.
The KIER also strives towards technology transfer which can be reflected in successful commercialization of our remarkable R&D outcomes by means of industrialization of excellent intellectual property rights, enlarging its R&D activity in bottleneck technology based on small and medium sized enterprises, and communicating actively with markets through "1 researcher to 1 enterprise" technique guidance.
enlarging its R&D activity in bottleneck technology based on small and medium sized enterprises, and communicating actively with markets through "1 researcher to 1 enterprise" technique guidance.
Energy has had a significant influence not only on living standards in a society, but also upon national competitiveness and security. Therefore, the KIER will do its best in developing energy technology for future generations.
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