Alternatives for inert torrefaction to produce high-quality solid fuel: Review of available techniques, parameters, potentials and challenges

MF Hasan, MRA Rahman, BB Nyakuma… - Biomass and Bioenergy, 2024 - Elsevier
Dependence on inert gas such as nitrogen during torrefaction is not favourable due to the
burden in terms of operational costs. Therefore, various alternatives have been introduced to …

[HTML][HTML] Downer reactor simulation and its application on coal pyrolysis: A review

X Pan, W Lian, J Yang, J Wang, Z Zhang, X Hao… - Carbon Resources …, 2022 - Elsevier
Pyrolysis technology has received increasing attention in recent years due to its great
potential in the field of low-rank coal clean and efficient conversion. Since pyrolysis reaction …

Effect of pyrolysis atmospheres on gaseous products evolution of coal pyrolysis at high temperature

Y Wu, S Tao, Z Wang, Y Cui, Q **g, W He, J Guo… - Fuel, 2024 - Elsevier
Pyrolysis provides a useful way to develop lignite with low direct economic value, therefore,
it is worthwhile to study how to realize efficient pyrolysis and produce more combustible gas …

Investigation on the effect of particle size and heating rate on pyrolysis characteristics of a bituminous coal by TG–FTIR

B Tian, Y Qiao, Y Tian, Q Liu - Journal of Analytical and Applied Pyrolysis, 2016 - Elsevier
In this work, thermal behavior of five different coal particle fractions were investigated using
thermogravimetric analyzer (TGA) under various heating rates with the maximum of 1000 …

Combustion and gasification characteristics of chars from raw and torrefied biomass

EM Fisher, C Dupont, LI Darvell, JM Commandré… - Bioresource …, 2012 - Elsevier
Torrefaction is a mild thermal pretreatment (T< 300° C) that improves biomass milling and
storage properties. The impact of torrefaction on the gasification and oxidation reactivity of …

Studying effects of solid structure evolution on gasification reactivity of coal chars by in-situ Raman spectroscopy

J Yu, Q Guo, L Ding, Y Gong, G Yu - Fuel, 2020 - Elsevier
This study focuses on characteristics of structure evolution during pyrolysis and subsequent
char gasification of lignite and bituminous coal. Coal pyrolysis was conducted on induction …

Effect of pyrolysis conditions on the char gasification with mixtures of CO2 and H2O

C Chen, J Wang, W Liu, S Zhang, J Yin, G Luo… - Proceedings of the …, 2013 - Elsevier
Two kinds of char were prepared from a lignite by fast pyrolysis using a drop tube furnace
and by slow pyrolysis using a fixed-bed furnace at the temperature of 1273K. Scanning …

TG-MS-FTIR study on pyrolysis behavior of superfine pulverized coal

L Luo, J Liu, H Zhang, J Ma, X Wang, X Jiang - Journal of analytical and …, 2017 - Elsevier
Superfine pulverized coal as a new energy utilization method plays a significant role in
alleviating pollutant emissions. The devolatilization behavior of superfine pulverized coal …

Study on the effect of inherent AAEM on char structure evolution during coal pyrolysis by in-situ Raman and TG

J Yu, Q Guo, L Ding, Y Gong, G Yu - Fuel, 2021 - Elsevier
Inherent minerals, especially alkali and alkaline earth metals (AAEM), are reactive
constituents that interact with organic matter during pyrolysis and have significant effects on …

Selective enrichment of chemical structure during first grinding of Zhundong coal and its effect on pyrolysis reactivity

Y Zhao, P Qiu, G Chen, J Pei, S Sun, L Liu, H Liu - Fuel, 2017 - Elsevier
The selective enrichment of macerals and inorganic minerals during coal grinding may have
an obvious effect on pyrolysis reactivity. In this paper, chemical structures and pyrolysis …