화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2012년 봄 (04/25 ~ 04/27, 제주 ICC)
권호 18권 1호, p.1310
발표분야 환경
제목 Formation of Fine Particulates and Heavy Metals Including Mercury in Oxy-Coal Combustion Processes
초록 Recently, the public concern over climate change has increased due to the increasing emission of CO2 in the atmosphere. Oxy-fuel combustion is one of the potential CO2 capturing technologies in combustion facilities. In this study, fine particulate formation and emission characteristics of heavy metals including mercury have been investigated at two types of coal combustion processes; drop tube furnace and lab-scale pulverized coal combustor, installed at HUST in China and KIMM in Korea, respectively. The drop tube furnace can combust coals with the feed rate of 0.2 g/min, while the lab-scale process can burn with the capacity of 26 g/min. Main objectives of this comparable study are to observe differences of emitted between oxy-combustion and air-combustion conditions. Heavy metals emission and mercury speciation in flue gases during oxy-fuel combustion and air combustion were compared in two different scale processes. Particulate size distribution and metal enrichment in different size particulates were also investigated.
저자 서용칠1, 김정훈1, Dhuba Bhatta1, 정승재1, Xiaowei Liu2, Hong Yao2, Chao Wang2, 길상인3, 윤진한3
소속 1연세대, 2China Huazhong Univ. of Science & Technology, 3한국기계(연)
키워드 Oxy-Coal Combustion; Fine Particluates; Heavy Metals; Mercury
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