期刊
FUEL PROCESSING TECHNOLOGY
卷 90, 期 10, 页码 1202-1206出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fuproc.2009.05.021
关键词
Co-gasification; Waste-tyre; Lignite; Moving bed; Lurgi process
资金
- Czech Science Foundation [105/07/1407]
- Institutional Research Plan [AVCZ30460519]
The thermal treatment of waste-tyre by co-gasification with lignite was investigated on a commercial scale during the Lurgi gasification process. The experiments proved that this material can be treated in a mixture with lignite in the process of oxygen-steam pressure co-gasification in a moving bed, because a waste-tyre admixture improves the net calorific value of the raw gas obtained by 3% in comparison with that from the gasification of lignite alone. Further, it was found that the H(2)S and CH(3)SH contents in the raw gas are lower in the case of co-gasification than those from the gasification of lignite alone. Considering the very low reactivity of the char from waste-tyre and the resultant unburned carbon in the ash, the optimal content of the waste-tyre admixture in the gasified feed should not exceed 10 wt.%, whereas short-term increases of up to 20 wt.% will not cause any technological problems or significant economic losses. (C) 2009 Elsevier B.V. All rights reserved.
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