ANALYSIS ON GASIFICATION PERFORMANCE OF BOTH POLYPROPYLENE AND BIOMASS WITH A KINETIC MODEL DEVELOPED BY ASPEN PLUS

Li Zien; Zheng Yongli; Wang Shuhui; Yan Zheng; Wang Zehua; Zhang Junxia

doi:10.19912/j.0254-0096.tynxb.2025-0720

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (9) : 860-868. DOI: 10.19912/j.0254-0096.tynxb.2025-0720

ANALYSIS ON GASIFICATION PERFORMANCE OF BOTH POLYPROPYLENE AND BIOMASS WITH A KINETIC MODEL DEVELOPED BY ASPEN PLUS

Li Zien¹, Zheng Yongli¹, Wang Shuhui², Yan Zheng³, Wang Zehua⁴, Zhang Junxia²

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Abstract

An effective solution for utilizing solid waste is the production of syngas through the co-gasification of polypropylene and biomass. In the present study, a kinetic model for the co-gasification of polypropylene and biomass was developed using ten reactiors kettles from Aspen Plus software. The gas production performance of both polypropylene and biomass was simulated numerically under oxygen and steam atmospheres. The results indicated that an increase in polypropylene improved the volume fractions of both CO and CH₄, while an increase in steam enhanced the volume fraction of H₂. The volume fraction of syngas （H₂+CO） increased with rising gas temperature, initially increased and then decreased with the mass fraction of polypropylene, reaching a maximum value within the range of 9% to 23%. Furthermore, as the steam-to-carbon （S/C） ratio increased, the volume fraction of syngas （H₂+CO） increased at temperatures of 600 ℃ to 700 ℃, but decreased slightly at temperatures of 800 ℃ to 1000 ℃. At mass fractions of polypropylene between 9% and 23%, the maximum H₂/CO ratio occurred at temperatures between 700 ℃ to 1000 ℃. The H₂/CO ratio increased with rising S/C, and its rate of increase declined with rising temperature. A reduction in the CO₂ volume fraction was observed with increasing polypropylene, while it reached a maximum value at a temperature of 1000 ℃ and an S/C ratio of 0.2.

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syngas production / biomass gasification / polypropylene / kinetic modeling / Aspen Plus simulation

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Li Zien, Zheng Yongli, Wang Shuhui, Yan Zheng, Wang Zehua, Zhang Junxia. ANALYSIS ON GASIFICATION PERFORMANCE OF BOTH POLYPROPYLENE AND BIOMASS WITH A KINETIC MODEL DEVELOPED BY ASPEN PLUS[J]. Acta Energiae Solaris Sinica. 2026, 47(9): 860-868 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0720

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