화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2011년 가을 (10/26 ~ 10/28, 송도컨벤시아)
권호 17권 2호, p.1965
발표분야 촉매
제목 Thermal catalytic reduction of oxidized mercury to elemental mercury by transition metals
초록 Automated on-line mercury analyzers based on well-established techniques including cold-vapor atomic absorption (CVAA) and cold-vapor atomic fluorescence (CVAF) spectrometer are being developed and used to measure both total mercury and speciated mercury emissions.. Both CVAA and CVAF systems measure only elemental mercury. Therefore, if total gas-phase or speciated mercury is to be determined, a conversion unit reducing oxidized form to elemental mercury should be used prior to the analytical instrument. The most common method of reducing oxidized mercury to elemental form is a wet-chemistry system using a liquid reducing agent such as SnCl2 (stannous chloride). It is anticipated that developments in this area will be critical factor in ensuring real-time mercury measurements. In the present study, the performances of several transition metals were examined for the reduction of oxidized mercury to elemental mercury. The performance of thermal catalytic method for the reduction of oxidized mercury was compared to that of wet method using SnCl2 solution.
저자 홍현조, 함성원
소속 경일대
키워드 catalytic reduction; mercury; transition metals
E-Mail
원문파일 초록 보기