Simulation on coal combustion and calcium carbonate decomposition in a 5500 t/d full scale cement calciner

Cui, Ying; Yu, Chunming; Shi, Dinghong; Wang, Xinwang

doi:10.1016/j.applthermaleng.2023.121299

Cited by 3 publications

(4 citation statements)

References 32 publications

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“…109 However, this method has significant drawbacks: the steps of drying and calcining CaCO 3 to release CO 2 greatly increase the energy consumption of the system. 110 Additionally, the very low solubility of Ca(OH) 2 in water reduces the solution's ability to capture CO 2 . 111 J. Carlos Abanades et al proposed a method to address the aforementioned drawbacks.…”

Section: 21mentioning

confidence: 99%

“…For the liquid-based direct air capture (L-DAC) method, the simplest and earliest absorbent material used is a solution . However, this method has significant drawbacks: the steps of drying and calcining CaCO 3 to release CO 2 greatly increase the energy consumption of the system . Additionally, the very low solubility of Ca(OH) 2 in water reduces the solution’s ability to capture CO 2 .…”

Section: The Raw Materials Of E-fuelsmentioning

confidence: 99%

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Perspectives and Outlook of E-fuels: Production, Cost Effectiveness, and Applications

Shi,

Guan,

Zhuang

et al. 2024

Energy Fuels

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With the introduction of the EU's "ban on combustion" proposal in 2035, the sale of new fossil fuel vehicles will soon be comprehensively prohibited. The use of e-fuels has become the best means for the survival and continuation of internal combustion engines, while also responding to the call for carbon neutrality. This review studies how the raw materials required for different e-fuels can be obtained through the assistance of renewable energy or various net-zero carbon emission routes, and elaborates on the synthesis methods, economics, and challenges faced by e-fuels such as e-methanol and e-ammonia. E-fuels have a wide range of market applications, including but not limited to road transportation, aviation, and shipping, and some transportation vehicles have already chosen e-fuels as their fuel. By summarizing the technoeconomic analysis of e-fuels, this review aims to provide referable methods and multiple options for the future large-scale production of e-fuels, as well as insights for the subsequent application and improvement of e-fuels.

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Section: 21mentioning

confidence: 99%

Section: The Raw Materials Of E-fuelsmentioning

confidence: 99%

Perspectives and Outlook of E-fuels: Production, Cost Effectiveness, and Applications

Shi,

Guan,

Zhuang

et al. 2024

Energy Fuels

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show abstract

“…Because the computer tracks fewer particles and the interactions between particles are not solved directly, the MP-PIC method can simulate gas–solid flows more efficiently . For example, the MP-PIC method has been used to study biomass gasification with different percentages of CO 2 in a pilot plant circulating fluidized bed (CFB) gasifier, the process of biomass fast pyrolysis in a conical fountain confined spouted fluidized bed, coal combustion and CaCO 3 decomposition process in an industrial-scale cement calciner, and so on. These studies show that the MP-PIC method has a vast application future in gas–solid system simulation.…”

Section: Introductionmentioning

confidence: 99%

“…Gao et al assessed the MP-PIC model for hydrodynamics and biomass pyrolysis in a fluidized bed pyrolyzer. The studies mentioned above focused on monodisperse fluidization systems; however, few studies reported MP-PIC simulation of binary fluidization systems, especially for sand–plastic systems, and investigated the effects of these factors on the fluidization behavior. ,,, …”

Section: Introductionmentioning

confidence: 99%

MP-PIC Modeling of Fluidization Behaviors of Binary Sand–Plastic Mixtures

Ma,

Yu,

Dai

et al. 2023

Ind. Eng. Chem. Res.

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Fluidized beds are usually used in the thermochemical conversion of waste plastic due to their excellent conversion efficiency. The complex fluidization behaviors of sand–plastic binary mixtures are not fully understood. The multiphase particle-in-cell (MP-PIC) model was employed and validated in this study to investigate fluidization hydrodynamics. The MP-PIC model adopts a coarse-grained approach by lumping a certain number of particles into a parcel and uses a solid stress model instead of resolving direct particle contacts. The effects of key model settings and parameters in the solid stress model were evaluated by comparing the simulation results with the experimental data. The results show that the drag models significantly affect the model accuracy, and the Gidaspow–Ganser hybrid drag model performs best among the tested drag models. When the grid size is larger than 5 times the diameter of the sand parcel, the error increases significantly. The optimal solid stress model parameter P s is larger under a larger inlet gas velocity.

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Performance optimization of cement calciner based on CFD simulation and machine learning algorithm

Cui,

Ye,

Yao

et al. 2024

Energy

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Simulation on coal combustion and calcium carbonate decomposition in a 5500 t/d full scale cement calciner

Cited by 3 publications

References 32 publications

Perspectives and Outlook of E-fuels: Production, Cost Effectiveness, and Applications

Perspectives and Outlook of E-fuels: Production, Cost Effectiveness, and Applications

MP-PIC Modeling of Fluidization Behaviors of Binary Sand–Plastic Mixtures

Performance optimization of cement calciner based on CFD simulation and machine learning algorithm

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