Aspen Plus动力学模型对聚丙烯和生物质气化特性的分析

李自恩; 郑永利; 王曙辉; 言政; 王泽华; 张俊霞

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

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (9) : 860-868. DOI: 10.19912/j.0254-0096.tynxb.2025-0720

Aspen Plus动力学模型对聚丙烯和生物质气化特性的分析

李自恩¹, 郑永利¹, 王曙辉², 言政³, 王泽华⁴, 张俊霞²

作者信息 +

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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文章历史 +

摘要

该文基于Aspen Plus构建由10个反应釜组成的聚丙烯和生物质共气化反应动力学模型,数值分析聚丙烯和生物质在氧气和水蒸气中的产气特性。结果表明：聚丙烯增加提高了CO和CH₄的体积分数,水蒸气增加提高了H₂的体积分数。H₂+CO合成气体积分数在聚丙烯质量分数为9%~23%范围内有最高值。随着S/C（水蒸气与生物质中碳的质量比）的增加,H₂+CO合成气体积分数在600~700 ℃时升高,在800~1000 ℃时略有下降。在9%~23%聚丙烯质量分数下,H₂/CO在700~1000 ℃下有最大值。聚丙烯增加会降低CO₂体积分数,当S/C为0.2、气化温度为1000 ℃时CO₂体积分数有最大值。

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.

导出引用

李自恩, 郑永利, 王曙辉, 言政, 王泽华, 张俊霞. Aspen Plus动力学模型对聚丙烯和生物质气化特性的分析[J]. 太阳能学报. 2026, 47(9): 860-868 https://doi.org/10.19912/j.0254-0096.tynxb.2025-0720

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

中图分类号： TK06

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