| 학회 | 한국화학공학회 |
| 학술대회 | 2008년 가을 (10/23 ~ 10/24, 부산 BEXCO) |
| 권호 | 14권 2호, p.3514 |
| 발표분야 | 촉매 및 반응공학 |
| 제목 | Autothermal reforming of propane over Ni catalysts promoted by alkali metals |
| 초록 | Promoted Ni based hydrotalcite catalysts by alkali metal were investigated for the autothermal reforming(ATR) of propane in a fixed-bed flow reactor. Reactions were carried out with the stream ratio of H2O/C/O2=3/1/0.73 in the temperature range from 300 to 700 ℃. Alkali metals were dopped in the preparation of hydrotalcite catalysts, and XRD, TGA and TEM were used to characterize them. Sintering of the Ni particles was observed to be reduced much by the addition of alkali metal promoters. This result in the reduced coke formation for the promoted Ni hydrotalcite catalysts compared with the un-promoted ones. Even the addition of a small quantity of an alkali metal showed increased dispersion of Ni particles. Thus, alkali metal promoters are believed to reduce both the carbon deposition rate and the particle size. Cerium was the best among the tested alkali metals. |
| 저자 | 박선영1, 신재순1, 김영철1, 김종호1, 문동주2, 박남국1 |
| 소속 | 1전남대, 2KIST |
| 키워드 | alkali metal; hydrotalcite; hydrogen; Ni-based catalysts |
| 원문파일 | 초록 보기 |
