Abstract
Bamboo was a popular material substituting for wood, especially for one-off commodity in China. In order to recover energy and materials from waste bamboo, the basic characteristics of bamboo pyrolysis were studied by a thermogravimetric analyzer. It implied that the reaction began at 190∼210 °C, and the percentage of solid product deceased from about 25% to 17% when temperature ranged from 400 °C to 700 °C. A lab-scale fluidized-bed furnace was setup to research the detailed properties of gaseous, liquid and solid products respectively. When temperature increased from 400 °C to 700 °C, the mass percent of solid product decreased from 27% to 17% approximately, while that of syngas rose up from 19% to 35%. When temperature was about 500°C, the percentage of tar reached the top, about 31%. The mass balance of these experiments was about 93%∼95%. It indicated that three reactions involved in the process: pyrolysis of exterior bamboo, pyrolysis of interior bamboo and secondary pyrolysis of heavy tar.
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Project supported by the National Basic Research Program (973) of China (Nos. G199902210534, 2005CB221202 and 2007CB210208), the Hi-Tech Research and Development Program (863) of China (No. 2006AA020101), and the Open Foundation of State Key Laboratory of Clean Energy Utilization of China (No. ZJUCEU2006004)
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Xiao, G., Ni, Mj., Huang, H. et al. Fluidized-bed pyrolysis of waste bamboo. J. Zhejiang Univ. - Sci. A 8, 1495–1499 (2007). https://doi.org/10.1631/jzus.2007.A1495
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DOI: https://doi.org/10.1631/jzus.2007.A1495