화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Materials Research, Vol.28, No.12, 725-731, December, 2018
DOI10.3740/MRSK.2018.28.12.725  Export Citation
메탄과 수소의 혼합 가스에 의한 산화주석의 환원
Reduction of SnO2 by a Mixed Gas of Methane and Hydrogen
한태양, 손유한, 김상열1, 정현철1, 김현유, 이상로1, 한준현†
  • 충남대학교 신소재공학과
  • 1㈜에이원엔지니어링
Taeyang Han, Youhan Sohn, Sangyeol Kim1, Hyun-Chul Jung1, Hyun You Kim, San-ro Lee1, and Jun Hyun Han†
  • Department of Materials Science and Engineering, Chungnam National University, Daejeon 34134, Repulic of Korea
  • 1A1 Engineering Co. Ltd., Suncheon 58034, Republic of Korea
E-mail:
We investigate the reduction of SnO2 and the generation of syngas(H2, CO) using methane(CH4) and hydrogen(H2) or a mixed gas of methane and hydrogen as a reducing gas. When methane is used as a reducing gas, carbon is formed by the decomposition of methane on the reduced Sn surface, and the amount of generated carbon increases as the amount and time of the supply of methane increases. However, when hydrogen is used as a reducing gas, carbon is not generated. High purity Sn of 99.8 % and a high recovery rate of Sn of 93 % are obtained under all conditions. The effects of reducing gas species and the gas mixing ratio on the purity and recovery of Sn are not significantly different, but hydrogen is somewhat more effective in increasing the purity and recovery rate of Sn than methane. When 1 mole of methane and 1 mole of hydrogen are mixed, a product gas with an H2/CO value of 2, which is known to be most useful as syngas, is obtained.
Keywords:tin oxide;reduction;methane;hydrogen;syngas
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