Effect of ionic liquids on the microstructure and combustion performance of Shengli lignite

Hou, Xianghui; Duan, H.Q.; He, Rong; Zhou, Huacong; Ban, Yanpeng; Li, Na; Zhi, Keduan; Song, Yinmin; Liu, Quansheng

doi:10.1039/d3ra03976e

Cited by 5 publications

(1 citation statement)

References 55 publications

(62 reference statements)

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“…However, in current research, the focus on studying lignite and biomass co-combustion is primarily on circulating fluidized bed boilers [21][22][23], with few studies available related to pulverized coal boilers. This is due to lignite being characterized by a low calorific value [24], high water content [25], and susceptibility to spontaneous combustion [26]. These attributes greatly limit its application in pulverized coal boilers.…”

Section: Introductionmentioning

confidence: 99%

Numerical Study on Effect of Flue Gas Recirculation and Co-Firing with Biomass on Combustion Characteristics in Octagonal Tangentially Lignite-Fired Boiler

Du,

Yang,

Zhao

et al. 2024

Energies

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The octagonal tangentially fired boiler can be utilized for burning lignite with high moisture. Co-firing biomass in an octagonal tangential boiler is considered a promising approach. A numerical simulation is carried out in this study to analyze the impact of flue gas recirculation (FGR) and the biomass blending ratio on heat and mass transfer in an octagonal tangentially fired boiler. When the FGR rate increases from 0 to 30%, the maximum temperature in the boiler decreases from 2162.8 to 2106.5 K. Simultaneously, the average temperature of the center longitudinal section decreases from 1589.0 to 1531.9 K. The maximum fluctuation of the outlet flue gas temperature remains within 10.9 K for the four calculated working conditions. Consequently, the efficiency of the boiler is basically unchanged. However, the flue gas temperature at the furnace outlet decreases significantly from 1605.9 to 1491.9 K. When the biomass blending ratio increases from 0 to 20%, the mean temperature of the primary combustion zone decreases from 1600.5 to 1571.2 K.

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Section: Introductionmentioning

confidence: 99%

Numerical Study on Effect of Flue Gas Recirculation and Co-Firing with Biomass on Combustion Characteristics in Octagonal Tangentially Lignite-Fired Boiler

Du,

Yang,

Zhao

et al. 2024

Energies

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show abstract

Study on the effect of imidazole ionic liquids on the whole process spontaneous combustion characteristics of long-flame coal based on TG–DSC technology

He,

Ma,

Yan

et al. 2024

J Therm Anal Calorim

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Transformation and migration mechanism of carbon and sulfur in lignite’s chemical looping gasification using carbide slag

Yang,

shao,

et al. 2024

Fuel

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Effect of ionic liquids on the microstructure and combustion performance of Shengli lignite

Abstract: ILs promoted conversion of oxygen-containing groups to ether structures of lignite. Inhibition of combustion was related to content of ether structures.

Cited by 5 publications

References 55 publications

Numerical Study on Effect of Flue Gas Recirculation and Co-Firing with Biomass on Combustion Characteristics in Octagonal Tangentially Lignite-Fired Boiler

Numerical Study on Effect of Flue Gas Recirculation and Co-Firing with Biomass on Combustion Characteristics in Octagonal Tangentially Lignite-Fired Boiler

Study on the effect of imidazole ionic liquids on the whole process spontaneous combustion characteristics of long-flame coal based on TG–DSC technology

Transformation and migration mechanism of carbon and sulfur in lignite’s chemical looping gasification using carbide slag

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