Copyrolysis of coal with coke-oven gas
Conference
·
OSTI ID:324642
- Chinese Academy of Sciences, Taiyuan, Shanxi (China). State Key Lab. of Coal Conversion
To improve the economy of the hydropyrolysis process by reducing hydrogen cost, it has been suggested to use cheaper hydrogen-rich gas (such as coke-oven gas) instead of pure hydrogen. Pyrolysis of Chinese Xianfeng lignite has been carried out with real coke-oven gas (COG) as reactive gases at 0.1--5 MPa and the final temperature of 650 C with heating rate of 5--25 C/min in an 10 g fixed-bed reactor. The effects of pressure on product yields under COG were investigated in detail and compared with coal pyrolysis with hydrogen at the same conditions. The results indicate that it is possible to use COG instead of pure hydrogen in hydropyrolysis. To optimize the yields of the valuable chemicals, the experimental conditions must be adjusted.
- OSTI ID:
- 324642
- Report Number(s):
- CONF-970931--
- Country of Publication:
- United States
- Language:
- English
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