| 학회 |
한국화학공학회 |
| 학술대회 |
2011년 봄 (04/27 ~ 04/29, 창원컨벤션센터) |
| 권호 |
17권 1호, p.599 |
| 발표분야 |
에너지 |
| 제목 |
Kinetic Study on Catalytic Steam Gasification of Lignite: Evaluation of Various Gas-Solid Reaction Models |
| 초록 |
Kinetic study on catalytic lignite-steam gasification was done in the presence of 5% wt loading K2CO3 at temperatures ranging from 600°C to 900°C. The gasification was performed in a thermobalance reactor at ambient pressure using steam-N2 mixture of 50% steam partial pressure.Kinetic parameters were measured using homogeneous model (HM), shrinking core model (SCM), random pore model (RPM), modified volumetric model (MVM) and extended modified volumetric model (EMVM). In most of the runs, RPM, MVM and EMVM yielded goodness of fit with square correlation index values of 0.9974, 0.9950 and 0.9964, respectively. The best fit result by RPM indicates that the mechanism of catalyzed gasification of lignite with steam involves growth and opening of overlapping cylindrical pore surfaces resulting to rate enhancement and increase in catalyst surface area. |
| 저자 |
Vergel Bungay1, 송병호1, 김상돈2, 손정민3, 심현민4, 김용준4, 김규태4, 박삼룡4
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| 소속 |
1군산대, 2KAIST, 3전북대, 4㈜SK에너지 |
| 키워드 |
steam gasification; thermobalance reactor; gas-solid reaction model
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| E-Mail |
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| 원문파일 |
초록 보기 |
