MFiX based multi-scale CFD simulations of biomass fast pyrolysis: A review

L Lu, X Gao, JF Dietiker, M Shahnam… - Chemical Engineering …, 2022 - Elsevier
Multi-scale computational fluid dynamics (CFD) simulation bridges the gaps between
particle and reactor scales in the modeling of biomass pyrolysis. Its accuracy depends on …

A comprehensive understanding of the synergistic effect during co-pyrolysis of polyvinyl chloride (PVC) and coal

D Hong, P Gao, C Wang - Energy, 2022 - Elsevier
In this work, the co-pyrolysis behaviors of polyvinyl chloride (PVC) with coal were
investigated using the reactive molecular dynamics (ReaxFF MD) simulations. The weight …

Competition between NH3-O2 reaction and char-O2 reaction and its influence on NO generation and reduction during char/NH3 co-combustion: Reactive molecular …

D Hong, L Yuan, C Wang - Fuel, 2022 - Elsevier
To reduce CO 2 emissions in power plants, the co-firing of ammonia (NH 3) and coal in
boiler has received increasing attention in industry and academia. In this work, char/NH 3 co …

Molecular-scale elucidating of lignocellulose biomass char steam gasification for ultimately converting to syngas

X Zou, M Zhai, B Wang, L Guo, Y Zhang - Fuel Processing Technology, 2022 - Elsevier
Lignocellulosic biomass char gasification plays an irreplaceable role in alleviating
environmental problems caused by greenhouse effects. Elucidating the molecular-scale …

Co-pyrolysis behavior and synergistic mechanism of sub-bituminous coal and polypropylene: A ReaxFF molecular dynamics simulation

Z Sun, K Li, Y Bu, Z Liang, W Zhan, C Jiang… - Journal of the Energy …, 2024 - Elsevier
The co-pyrolysis behavior of coal and polypropylene (PP) was investigated by reactive force
field molecular dynamics (ReaxFF MD) simulation in the present study. In addition to …

Microscopic reaction mechanism for CO2 gasification of cellulose based on reactive force field molecular dynamics simulations

Y Pang, X Zhu, N Li, H Wang, Y Li, Y Liu, Z Wang - Renewable Energy, 2022 - Elsevier
Gasification is the key process of biomass conversion and utilization, which has been
proved to be one of the most promising technologies. In this study, the CO 2 gasification …

Pyrolysis of bio-derived dioxolane fuels: A ReaxFF molecular dynamics study

H Kwon, Y Xuan - Fuel, 2021 - Elsevier
Abstract Alkyl-substituted 1, 3-dioxolanes, including 4, 5-dimethyl-2-pentan-3-yl-1, 3-
dioxolane (Fuel 1), 4, 5-dimethyl-2-pentyl-1, 3-dioxolane (Fuel 2), and 2-(heptan-3-yl)-4, 5 …

Catalytic mechanism of N-containing biochar on volatile-biochar interaction for the same origin pyrolysis

Z Sun, D Yao, H Guo, H Zhu, W Hua, Q Yuan… - Journal of …, 2023 - Elsevier
Nitrogen, as a common element, is widely present in biomass. The effects of nitrogenous
substances on the same origin pyrolysis of biomass and the consequences of N-containing …

Insight into the Competitive and Synergistic Effects during Coal/NH3 Cofiring via Reactive Molecular Dynamics Simulations

D Hong, L Yuan, C Wang, H Wang - Energy & Fuels, 2023 - ACS Publications
In this work, reactive force field molecular dynamics (ReaxFF MD) simulations are performed
to study competitive and synergistic effects and their impact on CO, CO2, unburned carbon …

Pyrolysis mechanism of wheat straw based on ReaxFF molecular dynamics simulations

Z Liu, X Ku, H Jin - ACS omega, 2022 - ACS Publications
Biomass has played an increasingly important role in the consumption of energy worldwide
because of its renewability and carbon-neutral property. In this work, the pyrolysis …