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<p>This study proposes a novel multi-generation framework combining municipal solid waste (MSW) incineration and tire pyrolysis to enhance resource utilization efficiency. The integrated configuration features parallel processing streams, an MSW incinerator operating at 31.25 t/h capacity coupled with a tire pyrolysis reactor handling 5.5 t/h feedstock, subjected to tripartite evaluation through thermodynamic and economic lenses. Key outcomes demonstrate: (1) By applying both linear and quadratic polynomial fitting to the case data and using NSGA-II for optimization, the optimal flue gas extraction rate was determined to be 21.91 kg/s, with the quadratic polynomial fitting showing greater accuracy. (2) The system achieves an energy efficiency of 52.01% and an exergy efficiency of 64.83%, with the incineration boiler contributing the largest exergy loss (33.28 MW). (3) Financial viability was confirmed through discounted cash flow analysis, yielding a net present value of 2.549×10<sup>7</sup> USD and 4.15-year dynamic payback period. These results demonstrate the system’s potential for efficient waste utilization and economic viability.</p>

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Synergistic Integration of Waste Incineration and Tire Pyrolysis in a Multi-Generation System: Thermodynamic Optimization and Economic Trade-Offs

  • 期刊论文

  • 发表日期：

    2026年5月23日

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  • Mingyuan Zhou,
  • Heng Chen,
  • Erli Dai,
  • Hongxu Zheng,
  • Peiyuan Pan,
  • Lei Yao,
  • Yu Li,
  • Junjiao Zhang

摘要

This study proposes a novel multi-generation framework combining municipal solid waste (MSW) incineration and tire pyrolysis to enhance resource utilization efficiency. The integrated configuration features parallel processing streams, an MSW incinerator operating at 31.25 t/h capacity coupled with a tire pyrolysis reactor handling 5.5 t/h feedstock, subjected to tripartite evaluation through thermodynamic and economic lenses. Key outcomes demonstrate: (1) By applying both linear and quadratic polynomial fitting to the case data and using NSGA-II for optimization, the optimal flue gas extraction rate was determined to be 21.91 kg/s, with the quadratic polynomial fitting showing greater accuracy. (2) The system achieves an energy efficiency of 52.01% and an exergy efficiency of 64.83%, with the incineration boiler contributing the largest exergy loss (33.28 MW). (3) Financial viability was confirmed through discounted cash flow analysis, yielding a net present value of 2.549×107 USD and 4.15-year dynamic payback period. These results demonstrate the system’s potential for efficient waste utilization and economic viability.