A review of recent studies of the CFD modelling of coal gasification in entrained flow gasifiers, covering devolatilization, gas-phase reactions, surface reactions …

J Mularski, H Pawlak-Kruczek, N Modlinski - Fuel, 2020 - Elsevier
The development and employment of comprehensive combustion/gasification models for the
optimum selection of process conditions and gasification parameters, especially for …

Review of 30 years of research using the chemical percolation devolatilization model

TH Fletcher - Energy & Fuels, 2019 - ACS Publications
The chemical percolation devolatilization (CPD) model for coal pyrolysis was first published
in 1989, and a completed version that included the vapor–liquid equilibrium model and …

[HTML][HTML] Blue-coke production technology and the current state-of-the-art in China

Y Feng, S Xu - Carbon Resources Conversion, 2020 - Elsevier
Blue-coke is a kind of char obtained by the low temperature pyrolysis of non-caking or
weakly-caking coal with high volatile matter. It is generally granular with high reactivity, high …

Particle-scale heat and mass transfer processes during the pyrolysis of millimeter-sized lignite particles with solid heat carriers

F Li, J Feng, H Zhang, WY Li - Applied Thermal Engineering, 2023 - Elsevier
The study of mesoscale solid fuel pyrolysis behavior is a key bridge between the
microscopic reaction kinetics and macroscopic multiphase reaction flow in a reactor. In this …

A comparison of simple global kinetic models for coal devolatilization with the CPD model

AP Richards, TH Fletcher - Fuel, 2016 - Elsevier
Simulations of coal combustors and gasifiers generally cannot incorporate the complexities
of advanced pyrolysis models, and hence there is interest in evaluating simpler models over …

Quantitative characterization of coal structure by high-resolution CP/MAS 13C solid-state NMR spectroscopy

H Yang, Y **ong, Z **e, L **, Y Li, J Yang… - Proceedings of the …, 2021 - Elsevier
A method for quantitatively characterizing the carbon skeletal structure of coal by variable
contact time experiment using high-resolution CP/MAS 13 C solid-state NMR spectroscopy …

Kinetic modelling and experimental validation of single large particle combustion of coal char

J Wang, S Hu, X Liu - Chemical Engineering Journal, 2022 - Elsevier
Understanding apparent kinetics of single large fuel particle combustion is of significance to
the design and optimization of grate-firing and circulating fluidized bed boilers. Based on the …

Increasing condensation polymerization at a higher heating rate during coal pyrolysis and its mechanism

H Yang, Y Li, Z **e, Y Cheng, Z Han, L **, Y Li… - Journal of Analytical and …, 2024 - Elsevier
Condensation polymerization is one of the important reactions in coal pyrolysis. It was found
that the content of aromatic cores of 4× 4 and above (characterized by HRTEM) in the char …

Investigation on the lignite pyrolysis reaction kinetics based on the general Arrhenius formula

W Lian, J Wang, G Wang, D Gao, X Li, Z Zhang… - Fuel, 2020 - Elsevier
Studying the reaction kinetics can deepen the understanding of reaction mechanism and
provide a relatively accurate and efficient reaction rate expression to theoretically optimize …

Micropore Analysis of Biomass Chars by CO2 Adsorption: Comparison of Different Analysis Methods

C Wedler, R Span - Energy & Fuels, 2021 - ACS Publications
Detailed knowledge of the pore structure evolution of fuel chars is essential for a sound
description of the conversion process. The analysis of the chars by N2 adsorption at 77.36 K …