학회 | 한국화학공학회 |
학술대회 | 2021년 가을 (10/27 ~ 10/29, 광주 김대중컨벤션센터) |
권호 | 27권 2호, p.1301 |
발표분야 | WISET 2021 여대학(원)생 공학연구팀제 지원사업 심화과정 결과발표대회(여성위원회) |
제목 | Impact of CO2 capture and methanation in coal power plants on global climate change |
초록 | In 2019, 37% of global electricity demand was produced by coal-fired power plants. The International Energy Agency (IEA) estimates that coal-fired power plants will account for 22% of electricity demand in 2040 in the Stated Policies Scenario (SPS). Renewable energy (solar, wind power, etc.) greatly depends on time and season, thus it is necessary to operate coal-fired power plants with the baseload power. In order to realize Korea's pledge of carbon neutrality in 2050, clean coal-fired power plants implemented with CO2 capture, utilization, and storage (CCUS)should be considered. This study performed a techno-economic assessment of 500 MWe coal-fired power plants with 10% of the CO2 methanation and 80% of the geological sequestration for CCUS. H2 required for CO2 methanation was produced from a water alkaline electrolysis using intermittent surplus renewable electricity. In addition, when CCUS technology was applied to coal-fired power plants worldwide, the effects on atmospheric CO2 concentration and global surface temperature were predicted using the global carbon cycle. |
저자 | 김세미, 천지호, 정지윤, 정평곤, 이동은, 임영일 |
소속 | 한경대 |
키워드 | Coal-fired power plant; CO2 capture and utilization (CCU); CO2 methanation; Water alkaline electrolysis; Techno-economic analysis (TEA); Global surface temperature |
원문파일 | 초록 보기 |