[천지일보=김정자 기자] Korea Western Power announced on the 24th that it will develop technologies in four areas, including combustion, capture, storage, and utilization related to greenhouse gas reduction in order to realize the ‘2050 carbon neutral’ government policy.
The first field in which R&D is underway is technology related to greenhouse gas combustion and capture. Western Power established a 0.5 ㎿ class CO2 (carbon dioxide) capture demonstration plant at Taean Power Plant Unit 5 last year and developed the world’s best CO2 Modulated Amine Blend demonstration technology.
Based on these achievements, this year, the Ministry of Trade, Industry and Energy will initiate the’Large-scale CCUS demonstration and commercialization infrastructure construction project’. The project period is from March this year to December 2023, with a total investment of 6.2 billion won.
The basic goal is to evaluate the performance of domestic wet capture technology using the existing wet 0.5 ㎿ CO2 capture demonstration plant and design a commercial 150 ㎿ class CO2 capture plant beyond the demonstration stage. CO2 collection targets are power plants located in the west coast, and the collection source is planned to be selected through demonstration.
Western Power plans to produce 10 tons of liquefied CO2 per day through research projects. The produced liquefied CO2 will be supplied free of charge so that it can be sold for industrial use or used by local farms for cultivation of crops.
In addition, Western Power is developing the world’s first ‘3 ㎿ class medium circulation combustion demonstration technology’ with industry, academia, and research institutes in preparation for the era of gas power generation. The investment cost alone reaches 23.8 billion won, and it is developing technology with the goal of completion by 2025.
The medium circulation combustion technology is a next-generation eco-friendly power generation technology in which fuel is burned by circulating oxygen transfer particles, which are nickel-based metals, in two reactors, unlike a combustion method in which fossil fuels are in direct contact with air. It has the advantage of virtually zeroing the emission of nitrogen oxides (NOx), which are substances that cause fine dust, and enabling easy separation of CO2 without a separate collection device.
Through this project, the world’s first 3 ㎿ medium circulation combustion technology will be commercialized, and it will be applied to small scale LNG power generation for 40-50 ㎿ distributed power generation.
An official from Western Power said, “We plan to actively invest in technology development to reduce greenhouse gas emissions,” and said, “It is expected to greatly contribute to the policies for carbon neutrality and energy conversion promoted by the government and the policy to expand distributed power.”
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