학회 | 한국화학공학회 |
학술대회 | 2009년 가을 (10/22 ~ 10/23, 일산 KINTEX) |
권호 | 15권 2호, p.2299 |
발표분야 | 촉매 및 반응공학 |
제목 | Study on the catalytic performance of propane steam reforming with La1-xSrxCr1-yMyO3-δ (M = Ni, Fe) |
초록 | La1-xSrxCr1-yMyO3-δ(M = Ni, Fe) catalysts were synthesized by the sol-gel method. The catalysts were characterized by XRD, SEM, BET and TEM. The performance of catalytic activity in steam reforming of propane at temperature range 600 ~ 800℃ was investigated. The conductivity was measured by the four terminal d.c method in air, 5% H2/N2 and 5% C3H8/N2. The reaction results were obtained using La1-xSrxCr1-yMyO3-δ (M = Ni, Fe) catalysts under S/C=1.7 and S/C=1 reaction conditions, respectively. In both cases, propane conversion increased with an increase in the amount of added Sr until x=0.3 in the A-site and Ni and Fe until y=0.5 in the B-site. A similar trend was observed for hydrogen yield. Consequently, La0.7Sr0.3Cr0.5Ni0.5O3 catalyst exhibited the best performance under Ni-substitution of which propane conversion was 100 % and hydrogen yield was 95.9 % at 800℃ in the S/C=1.7 condition. The La0.7Sr0.3Cr0.5Fe0.5O3 catalyst exhibited the best performance under Fe-substitution of which propane conversion was 99.6 % and hydrogen yield was 81.8 % at 800℃ in the S/C=1.7 condition. |
저자 | 손정민1, 김재로2 |
소속 | 1전북대, 2희성촉매 |
키워드 | propane; steam reforming; perovskite; hydrogen |
원문파일 | 초록 보기 |