Experimental Investigation on Hydrogen Production by Anthracene Gasification in Supercritical Water
详细信息 查看全文
- 作者：Hui Jin ; Shanke Liu ; Wenwen Wei ; Deming Zhang ; Zening Cheng ; Liejin Guo
- 刊名：Energy & Fuels
- 出版年：2015
- 出版时间：October 15, 2015
- 年：2015
- 卷：29
- 期：10
- 页码：6342-6346
- 全文大小：314K
- ISSN：1520-5029
文摘
Char conversion is the rate-determining step for coal gasification in supercritical water, because the main components of char are polycyclic aromatic hydrocarbons (PAHs) with chemical stability. Anthracene was selected as the model PAH compound to explore the gasification mechanism of coal in supercritical water. The experimental parameters investigated with autoclaves were within the following ranges: temperature, 600鈥?50 掳C; residence time, 5鈥?0 min; and pressure, 23鈥?5 MPa. The main gas products were H2 and CO2. The liquid intermediates were analyzed by gas chromatography鈥搈ass-selective detection (GC-MSD) for qualitative analysis and quantitative analysis, respectively. Benzene and naphthalene were found to be relatively stable compounds in the liquid products. Effective catalyst and appropriate temperature were obtained to enhance the gasification process.