Gasification of Rice Husk in a Fluidized-Bed Gasifier without Inert Additives
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- 作者：Hong Jiang ; Xifeng Zhu ; Qingxiang Guo ; and Qingshi Zhu
- 刊名：Industrial & Engineering Chemistry Research
- 出版年：2003
- 出版时间：November 12, 2003
- 年：2003
- 卷：42
- 期：23
- 页码：5745 - 5750
- 全文大小：112K
- 年卷期：v.42,no.23(November 12, 2003)
- ISSN：1520-5045
文摘
A novel fluidized-bed gasifier was designed in which rice husk was fluidized and gasified withoutinert additives. The gas compositions of CO, CO2, H2, CH4, and O2 were determined by an onlineanalyzer and gas chromatography. The results showed that low fluidized velocity and lowgasification temperature (550-650 
C) were beneficial to the production of syngas with a highcomposition of CO. The composition of H2 was influenced slightly by the equivalent ratio. Theaverage composition of H2 was almost unchangeable to different fluidized velocities. The minimalfluidized velocity vmf of rice husk without inert additives experimentally determined was 0.495m/s, which was higher than that of the two-component system containing rice husk and sand(vmf < 0.3 m/s). The throughput of rice husk in this reactor was higher than that in a fixed bedwith the same volume. This fluidized-bed reactor had a longer service term than a traditionalfluidized bed for a two-component system.
C) were beneficial to the production of syngas with a highcomposition of CO. The composition of H2 was influenced slightly by the equivalent ratio. Theaverage composition of H2 was almost unchangeable to different fluidized velocities. The minimalfluidized velocity vmf of rice husk without inert additives experimentally determined was 0.495m/s, which was higher than that of the two-component system containing rice husk and sand(vmf < 0.3 m/s). The throughput of rice husk in this reactor was higher than that in a fixed bedwith the same volume. This fluidized-bed reactor had a longer service term than a traditionalfluidized bed for a two-component system.