Abstract
Multi-fuel operation of the coal-fired boiler is considered as a promising option for boiler reformation to reduce carbon emissions while recycling solid waste. In this work, co-combustion characteristics of sugarcane bagasse, Nanning meager-lean coal and petroleum coke under different conditions were investigated in detail. And the interaction between raw materials was analyzed. Finally, the kinetic parameters were estimated by using the first-order response model. The results show that differences in petroleum coke content affect the appearance of weight loss peaks in the DTG curve. When the proportion of sugarcane bagasse is between 40 and 60%, the ignition and burnout characteristic indexes are particularly sensitive to variations in sugarcane bagasse content. Additionally, the interaction between the three raw materials is promoted as the proportion of petroleum coke is less than 40%. The kinetic analysis suggests that the increase of heating rate is conducive to the precipitation of volatiles, but there is an optimal heating rate for the fixed carbon combustion stage. The change of particle size combination has little effect on the activation energy of the volatile fraction combustion stage. This study provides a reference to ensure the stable and high-efficient operation of the coal-fired boilers during the multi-fuel combustion.
Acknowledgement
The authors gratefully acknowledge financial support from a Foundation for the Author of National Excellent Doctoral Dissertation of PR China (201440) and the Fundamental Research Funds for the Central Universities.
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Author contributions: Ge Xiong: Conceptualization, Methodology, Resources, Investigation, Formal analysis, Writing – Original Draft. Yong Zhang: Funding acquisition, Review & Editing, Supervision. Baosheng Jin: Writing-Review & Editing, Supervision.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
- Frontmatter
- Articles
- Size-dependent growth kinetics model for potassium chloride from seeded chloride solution
- Insights into kinetics and equilibrium of methylene blue adsorption onto β-cyclodextrin polymers
- Development of a new rotating photocatalytic reactor for the degradation of hazardous pollutants
- Promotional effects of cerium and titanium on NiMn2O4 for selective catalytic reduction of NO by NH3
- Sliding mode controller design based on simple closed loop set point experiment for higher order processes with dead time
- Performance evaluation of adaptive based model predictive control for ethylene glycol production from dimethyl oxide hydrogenation
- Experimental study on the combustion characteristics of blends of sugarcane bagasse, Nanning meager-lean coal and petroleum coke
- Ammoniacal leaching behavior and regularity of zinc ash
- Enhanced dual-DOF PI-PD control of integrating-type chemical processes
Articles in the same Issue
- Frontmatter
- Articles
- Size-dependent growth kinetics model for potassium chloride from seeded chloride solution
- Insights into kinetics and equilibrium of methylene blue adsorption onto β-cyclodextrin polymers
- Development of a new rotating photocatalytic reactor for the degradation of hazardous pollutants
- Promotional effects of cerium and titanium on NiMn2O4 for selective catalytic reduction of NO by NH3
- Sliding mode controller design based on simple closed loop set point experiment for higher order processes with dead time
- Performance evaluation of adaptive based model predictive control for ethylene glycol production from dimethyl oxide hydrogenation
- Experimental study on the combustion characteristics of blends of sugarcane bagasse, Nanning meager-lean coal and petroleum coke
- Ammoniacal leaching behavior and regularity of zinc ash
- Enhanced dual-DOF PI-PD control of integrating-type chemical processes