Citation: WU Jing-li, CHEN Tian-ju, LUO Xi-tao, YANG Jing, WANG Zhi-qi, WU Jin-hu, SUN Li. Research on kinetic analysis of typical municipal solid wastes (MSW) pyrolysis[J]. Journal of Fuel Chemistry and Technology, ;2014, 42(1): 43-47. shu

Research on kinetic analysis of typical municipal solid wastes (MSW) pyrolysis

1.
Key Laboratory of Biofuels, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China

Corresponding author: WU Jing-li, WANG Zhi-qi, WU Jin-hu,
Received Date: 10 July 2013
Available Online: 13 September 2013
Fund Project: 国家重点基础研究发展规划(973计划,2011CB201502) (973计划,2011CB201502)山东省“泰山学者”计划(200824085)。 (200824085)

The pyrolysis behavior of 7 kinds of typical municipal solid waste (MSW) was investigated by thermogravimetric analysis(TGA). The results show that the starting pyrolysis temperature of kitchen waste is lower than that of any other MSW, which is the most reactive substance among all the typical MSWs. On the contrary, the plastics and the textiles are more difficult to decompose. The Freeman-Carroll method was used for evaluating the activation energy. 20 kinds of mechanism functions of solid-state reaction were applied to the pyrolysis behavior of each component, and then the fitting results were compared to obtain the optimum solution. The optimizing mechanism function and kinetic parameters were used to deduce the kinetic model for 7 components. The data show that the globular symmetry phase boundary reaction mechanism is suitable for the pyrolysis process of PE and wool; 3D diffusion reaction mechanism is suitable for the pyrolysis process of cabbage; and the power law is suitable for the pyrolysis process of cotton and rice.
- municipal solid waste,
- pyrolysis,
- kinetic model,
- thermal gravimetric analysis,
- reaction mechanism function
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沈阳化工大学材料科学与工程学院沈阳 110142