Physicochemical properties, combustion kinetics and thermodynamics of oxidized lignite

Gao, Mingqiang; Cheng, Cheng; Miao, Zhenyong; Wan, Keji; He, Qiang

doi:10.1016/j.energy.2023.126657

Cited by 18 publications

(2 citation statements)

References 53 publications

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“…The reaction kinetics may be connected to the basic thermodynamics of catalytic reactions in the catalytic eld. 51,52 Here the linear relationship between the adsorption energy of OH radicals at the catalyst and the reaction energy barrier (E b ) and desorption energy barrier (E d ) is explored. As shown in Fig.…”

Section: Correlation Analysismentioning

confidence: 99%

Design of single-atom catalysts for NO oxidation using OH radicals

Yang,

Chen,

Jia

et al. 2023

J. Mater. Chem. A

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Section: Correlation Analysismentioning

confidence: 99%

Design of single-atom catalysts for NO oxidation using OH radicals

Yang,

Chen,

Jia

et al. 2023

J. Mater. Chem. A

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“…The characteristics of biomass fuel after torrefying are very similar to those of lignite [ 13 , 14 ]. Blending biomass with lignite can improve the combustion performance of lignite and stabilize the combustion process [ 15 , 16 ].…”

Section: Introductionmentioning

confidence: 99%

Investigation of Combustion and NO/SO2 Emission Characteristics during the Co-Combustion Process of Torrefied Biomass and Lignite

Yang,

Zhu,

et al. 2024

Molecules

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This paper investigates the combustion characteristics and pollutant emission patterns of the mixed combustion of lignite (L) and torrefied pine wood (TPW) under different blending ratios. Isothermal combustion experiments were conducted in a fixed bed reaction system at 800 °C, and pollutant emission concentrations were measured using a flue gas analyzer. Using scanning electron microscopy (SEM) and BET (nitrogen adsorption) experiments, it was found that torrefied pine wood (TPW) has a larger specific surface area and a more developed pore structure, which can facilitate more complete combustion of the sample. The results of the non-isothermal thermogravimetric analysis show that with the TPW blending ratio increase, the entire combustion process advances, and the ignition temperature, maximum peak temperature, and burnout temperature all show a decreasing trend. The kinetic equations of the combustion reaction process of mixed gas were calculated by Flynn–Wall–Ozawa (FWO) and Kissinger–Akahira–Sunose (KAS) kinetic equations. The results show that the blending of TPW reduces the activation energy of the combustion reaction of the mixed fuel. When the TPW blending ratio is 80%, the activation energy values of the mixed fuel are the lowest at 111.32 kJ/mol and 104.87 kJ/mol. The abundant alkali metal ions and porous structure in TPW reduce the conversion rates of N and S elements in the fuel to NO and SO2, thus reducing the pollutant emissions from the mixed fuel.

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Energy utilization potential of crustacean biomass: comprehensive evaluation of co-combustion with coal

Peng,

Sun,

et al. 2024

Biomass Conv. Bioref.

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Physicochemical properties, combustion kinetics and thermodynamics of oxidized lignite

Cited by 18 publications

References 53 publications

Design of single-atom catalysts for NO oxidation using OH radicals

Design of single-atom catalysts for NO oxidation using OH radicals

Investigation of Combustion and NO/SO2 Emission Characteristics during the Co-Combustion Process of Torrefied Biomass and Lignite

Energy utilization potential of crustacean biomass: comprehensive evaluation of co-combustion with coal

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