An overview of the coal ash transition process from solid to slag

W Shi, J Bai, L Kong, H Li, Z Bai, SV Vassilev, W Li - Fuel, 2021 - Elsevier
Coal ash-related issues seriously restricted the industrialization of entrained flow
gasification. Although extensive and high-quality studies concerning these issues have …

Co-firing of coal and biomass under pressurized oxy-fuel combustion mode in a 10 kWth fluidized bed: Nitrogen and sulfur pollutants

Q Liu, W Zhong, A Yu, CH Wang - Chemical Engineering Journal, 2022 - Elsevier
Co-firing coal and biomass under pressurized oxy-fuel combustion (POFC) mode in fluidized
beds is a novel and promising technology to capture CO 2 at a low cost and with eco-friendly …

Co-combustion of anthracite coal and wood pellets: Thermodynamic analysis, combustion efficiency, pollutant emissions and ash slagging

F Guo, Z Zhong - Environmental Pollution, 2018 - Elsevier
This work presents studies on the co-combustion of anthracite coal and wood pellets in
fluidized bed. Prior to the fluidized bed combustion, thermogravimetric analysis are …

Characterization of ash particles from co-combustion with a Zhundong coal for understanding ash deposition behavior

J Xu, D Yu, B Fan, X Zeng, W Lv, J Chen - Energy & fuels, 2014 - ACS Publications
Co-combustion is the most attractive option for extending the utilization of Zhundong coals
from the newly discovered and the largest intact coalfield in China. However, operational …

Evaluation, comparison and validation of deposition criteria for numerical simulation of slagging

C Wieland, B Kreutzkam, G Balan, H Spliethoff - Applied energy, 2012 - Elsevier
The objective of this study is the comparison of various sticking probabilities based on three
different approaches:(1) empirical viscosity models,(2) experimental results based on ash …

Release and transformation behaviors of sodium, calcium, and iron during oxy-fuel combustion of Zhundong coals

C Wang, L Zhao, T Han, W Chen, Y Yan, X Jin… - Energy & …, 2018 - ACS Publications
Zhundong coal has attracted an increasing concern due to its super huge reserve but high
content of alkali metals. Oxy-fuel combustion of Zhundong coal benefits the near-zero …

[HTML][HTML] Prediction of particle sticking efficiency for fly ash deposition at high temperatures

X Yang, D Ingham, L Ma, M Troiano… - Proceedings of the …, 2019 - Elsevier
The tendency of ash particles to stick under high temperatures is dictated by the ash
chemistry, particle physical properties, deposit surface properties and furnace operation …

Understanding mineral behaviors during anthracite fluidized-bed gasification based on slag characteristics

F Li, Z Li, J Huang, Y Fang - Applied energy, 2014 - Elsevier
Mineral behaviors were investigated on the basis of the characteristics of three slag samples
derived from pressurized ash agglomerate fluidized-bed gasification of Jincheng Anthracite …

Crystallization-controlled fusion mechanism of the amorphous fly ash from the Shell coal gasifier by particle sieving

X Li, J He, J Guo, X Zhang, C He, J Bai, W Li - Fuel Processing Technology, 2023 - Elsevier
The mineral in coal is transformed to the fly ash of different particle sizes during the
entrained flow coal gasification, causing the ash deposition problem on the radiant syngas …

Effect of secondary air mass flow rate ratio on the slagging characteristics of the pre-combustion chamber in industrial pulverized coal-fired boiler

Z Chen, Z Yuan, B Zhang, Y Qiao, J Li, L Zeng, Z Li - Energy, 2022 - Elsevier
To ensure good combustion stability, industrial pulverized coal-fired boilers normally employ
a swirl burner with pre-combustion chamber (PCC). Owing to the high cross-sectional heat …