A Kinetic Study of Co-Pyrolysis of Coal and Spent Mushroom Compost (SMC)

Abstract:

Co-utilization of coal and biomass has been shown as an effective way to reduce the carbon footprint. Pyrolysis technology not only transform carbonaceous materials such as coal and biomass into various chemical compounds and fuels, but also as the initial step of the thermochemical conversation. For the sake of a better understanding of the co-thermal conversation, it is very necessary to get a intensive study on the co-pyrolysis of coal and biomass. In this paper the co-pyrolysis characteristics of coal and spent mushroom compost (SMC) were investigated through an thermogravimetry analyzer from ambient temperature to 950 °C at different heating rates (10, 20 and 40 °C/min) under nitrogen condition. Kinetic parameters were determined by the by the Flynn-Wall-Ozawa (FWO) method. It was found that the activation energy decreased with the increasing of the biomass mass ratio, but with the biomass ratio reached 0.75 the activation energy increased again. This may be involved with the negative synergies between the biomass and coal. The results could provide useful information for the further study on the co-pyrolysis of coal and MSC.

• Periodical: Advanced Materials Research (Volumes 781-784)
• Pages: 2406-2410
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.781-784.2406
• Online since: September 2013
• Authors: Zhi Qiang Wu, Shu Zhong Wang, Qi Xing Guo, Jun Zhao, Lin Chen, Hai Yu Meng
• Keywords: CoAl, Co-Pyrolysis, Kinetic, Spent Mushroom Compost (SMC)

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