CO-PYROLYSIS CHARACTERISTICS AND KINETICS OF OIL SHALE AND COTTON STALK BASED ON MICRO FLUIDIZED BED

Ayikelimu Hashan; Zhang Chen; Li Linfan; Lin Licheng; Hairat Abuduhani; Yalkunjan Tursun

doi:10.19912/j.0254-0096.tynxb.2022-1814

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (3) : 155-162. DOI: 10.19912/j.0254-0096.tynxb.2022-1814

CO-PYROLYSIS CHARACTERISTICS AND KINETICS OF OIL SHALE AND COTTON STALK BASED ON MICRO FLUIDIZED BED

Ayikelimu Hashan, Zhang Chen, Li Linfan, Lin Licheng, Hairat Abuduhani, Yalkunjan Tursun

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Abstract

A micro fluidized bed reaction analyzer was used to analyze the co-pyrolysis characteristics of oil shale and cotton stalk. The releasing characteristics of H₂, CH₄, CO and CO₂ were investigated under different temperatures and mixing ratios. The kinetic parameters were calculated using the iso-conversion rate method to study the interactions during co-pyrolysis. As a result, a significant difference can be found in the individual pyrolysis characteristics of oil shale and cotton stalk, while the addition of cotton stalk can accelerate the conversion rate of the reaction and increase the gas generation rate during isothermal co-pyrolysis. The activation energy of gas generation was calculated by the Friedman-Reich-Levi method, and the results showed that the activation energy of co-pyrolysis was significantly lower than the theoretical value, indicating that co-pyrolysis could improve the thermolytic reactivity of raw material and promote the gas generation.

Key words

fluidized bed / pyrolysis / kinetics / oil shale / cotton stalk / interaction

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Ayikelimu Hashan, Zhang Chen, Li Linfan, Lin Licheng, Hairat Abuduhani, Yalkunjan Tursun. CO-PYROLYSIS CHARACTERISTICS AND KINETICS OF OIL SHALE AND COTTON STALK BASED ON MICRO FLUIDIZED BED[J]. Acta Energiae Solaris Sinica. 2024, 45(3): 155-162 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1814

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