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 …

Effect of chemical composition on the fusion behaviour of synthetic high-iron coal ash

C He, J Bai, A Ilyushechkin, H Zhao, L Kong, H Li, Z Bai… - Fuel, 2019 - Elsevier
High-iron coal is widely distributed throughout China and could be used as the feedstock for
slagging gasifiers. To enable cleaner, efficient, large-scale use of high-iron coal by the …

Improvement of the coal ash slagging tendency by coal washing and additive blending with mullite generation

Z Huang, Y Li, D Lu, Z Zhou, Z Wang, J Zhou… - Energy & …, 2013 - ACS Publications
Coal with a high mullite concentration in ash is generally believed to have a high ash fusion
temperature (AFT) and low slagging tendency. Conducted by a mineral transition …

Thermomechanical analysis of coal ash fusion behavior

T Yan, L Kong, J Bai, Z Bai, W Li - Chemical Engineering Science, 2016 - Elsevier
Ash fusion behavior relates to several key issues for designing and running boilers or
gasifiers, including fouling, sintering or slagging. In order to illustrate the mechanism of ash …

Effect of SiO2/Al2O3 on fusion behavior of coal ash at high temperature

T Yan, J Bai, L Kong, Z Bai, W Li, J Xu - Fuel, 2017 - Elsevier
Abstract SiO 2/Al 2 O 3 (S/A) in the ash content is always regarded as the key factor on ash
sintering and slagging in the boiler and gasifier. However, the effect of S/A on ash fusion …

Improvement of ash flow properties of low-rank coal for entrained flow gasifier

L Kong, J Bai, Z Bai, Z Guo, W Li - Fuel, 2014 - Elsevier
In order to meet the demand of slagging for entrained flow gasifier, addition of refractory
agent kaolinite and coal with high SiO 2 and Al 2 O 3 contents was applied to improve ash …

Effect of CaO/Fe2O3 on fusion behaviors of coal ash at high temperatures

WJ Shi, LX Kong, J Bai, J Xu, WC Li, ZQ Bai… - Fuel Processing …, 2018 - Elsevier
The ash fusibility, usually investigated and evaluated by the ash chemical composition, is
widely used for guiding the coal utilization in boiler and gasifier. The ratio of basic and acidic …

The fusion mechanism of complex minerals mixture and prediction model for flow temperature of coal ash for gasification

W Shi, M Laabs, M Reinmoeller, L Kong, SV Vassilev… - Fuel, 2021 - Elsevier
Management of slag behavior for safe slag-tapping requires the well understanding of slag
flow behavior and reliable prediction model for flow ash fusion temperature (FT) of coal ash …

A deep insight on the coal ash-to-slag transformation behavior during the entrained flow gasification process

Z Shen, H Nikolic, LS Caudill, K Liu - Fuel, 2021 - Elsevier
Recent research provided deep insight on the coal ash-to-slag transformation
characterization during the entrained flow gasification process, with experimentation on a 40 …

Effect of Minor Oxide and Residual Carbon on Coal Ash Crystallization Behavior and Slag Properties during Coal Gasification: Critical Literature Review and …

LN Listiyowati, I Santoso, E Sanwani, MZ Mubarok - ACS omega, 2023 - ACS Publications
Coal-ash-associated problems seriously limit the industrial application of entrained flow coal
gasification. There have been many studies of this issue. However, many problems still need …