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고압 전력기기에서의 SF₆ Gas 사용단계별 배출특성에 관한 연구
朴正珠(Jung-Ju Park),趙連行(Yeun-Haeng Cho) 대한전기학회 2008 전기학회논문지 Vol.57 No.12
Sulfur hexafluoride (SF?) is a gaseous dielectric used in high voltage electrical equipment such as an insultor or arc quenching medium in the transmission and distribution of electricity. however, SF? is one of the greenhouse gases (GHG) with a global warming potential that is 23,900 times greater than that of carbon dioxide (CO₂). for this reason, SF? emissions in electric equipment shall be controlled to reduce GHG and improve cost-effective use of SF? for economical benefits. Until recently there has not been any investigation on SF? emission characteristics and inventory in Korea. To understand emission characteristics during the use-phase, the scope of this study was limited to the following closed pressure system equipment from 10 substations in Korea. This study highlights (1) the investigation of sampling/analysis methodology for SF? emissions in high voltage equipment, (2) the estimation of SF? emissions in the use-phase, and (3) the comparison between the emission ratio and the mass-balance applied to inventory study. According to this study, the majority of emissions were related to electric equipment nameplates and the rest of the emissions were related to the handling of SF? during operations. from this result, emission ratios estimated from this study were similar; GIS was 14% and GCB was 13%, as maintenance process conditions were the same as manual process conditions for both equipment.
석탄유동층 보일러에 RPF 혼소시 운전조건 및 대기오염물질 배출 특성 변화
윤균덕(Yoon, Kyoon-Duk),박인출(Park, In-Chul),박종경(park, Jong-Kyeong),조연행(Cho, Yeon-Haeng),최연석(Choi, Yeon-Seok),선도원(Shun, Do-Won),박도현(Park, Do-Hyun) 한국신재생에너지학회 2006 한국신재생에너지학회 학술대회논문집 Vol.2006 No.06
Because price of fossil fuel rises, necessity about alternative energy was risen. Studied co-combustion of RPF to coal fluid bed boiler by necessity of these althernative energy. Purpose of this study to coal fluid bed bioler RPF when did co-combustion, change operating condition and characteristic of air pollutant examine according to change of fuel characteristic, operating condition examined about combustion chamber temperature, oxygen content etc. and air pollutant examined about material that is included to allowable exhaust standard and dioxin. Co-combustion condition was 5%. It was no peculiar under test result operating condition. Concentration of Co and HCl rose according as do RPF co-combustion and the other pollutants had hardly changed. Dioxin is low concentration level more than 0.1ng-TEQ/Sm³. There was no pollutant that exceed akllowable exhaust standard for boiler but SO_x,;NO_x were exceeded about allowable exhaust standard for incinerating facility.