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Energy recovery potential from incineration using municipal solid waste based on multi-scenario analysis in Beijing

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Abstract

With the rapid growth of municipal solid waste (MSW) generation, waste-to-energy (WTE) incineration has gained popularity due to its potential for electricity generation and swiftly reducing the volume and mass of MSW. Recognizing the urgency of MSW management, Beijing’s government launched the “MSW Source Separation Regulation” on May 1, 2020. This paper attempts to take into account the different levels of MSW source separation as well as the impact of different MSW compositions on energy recovery potential from incineration. We assume that the MSW management level in Beijing in 2025 will reach that of developed countries (e.g., Australia), which have abundant experience and mature MSW management systems. The amount of MSW generation is predicted by a first-order and one-variable grey differential equation model, GM (1,1), and a kernel-based nonlinear multivariate grey model, KGM (1,n). We establish six scenarios and distinguish them by the composition and lower heating values (LHV) of MSW, considered with and without recycling and source separation to varying degrees. The predicted amount of MSW generation in 2025 is 11,505,400 tons with 2.255% mean absolute percentage error (MAPE). With increasing source separation and removal of food waste, the volume of electricity generated per ton of waste ranges from 0.336 to 1.114 MWh/ton. At its lowest, the cost of electricity generation is 977.60 yuan/MWh. The results not only provide implications for balancing the benefits and costs of implementing WTE incineration strategies but also shed light on government management of MSW source separation.

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Data availability

The data of MSW generation and its influencing factors are available in the China Statistical Yearbook repository, hyperlink to data source “https://data.cnki.net/yearbook/Single/N2020100004”. The data about the composition of MSW, LHV for each kind of components, are included in this published article Dastjerdi et al. (2019) and Li (2014).

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Funding

This work was supported by National Natural Science Foundation of China (Grant numbers 72072010, 71702009 and 71803007); Beijing Social Science Fund (Grant number 20GLB017); the Ministry of Education of the People’sRepublic of China (Grant number 18YJC630170); and Fundamental Research Funds for the Central Universities (Grant numbers FRF-IDRY-19-009 and FRF-TP-20-024A2).

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WG proposed the original idea, developed research framework, collected data, wrote and edited the manuscript. DL analyzed the data, performed the data visualization, and wrote the original manuscript. CW wrote, edited, and proofread the manuscript. All authors read and approved the final manuscript.

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Correspondence to Chen Wang.

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The authors declare that they have no competing interests.

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Responsible Editor: Ta Yeong Wu

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Gu, W., Liu, D. & Wang, C. Energy recovery potential from incineration using municipal solid waste based on multi-scenario analysis in Beijing. Environ Sci Pollut Res 28, 27119–27131 (2021). https://doi.org/10.1007/s11356-021-12478-9

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  • DOI: https://doi.org/10.1007/s11356-021-12478-9

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