[HTML][HTML] A review on water in low rank coals: The existence, interaction with coal structure and effects on coal utilization

J Yu, A Tahmasebi, Y Han, F Yin, X Li - Fuel Processing Technology, 2013 - Elsevier
Low rank coals are generally featured with a high water content which exerts strong
influences onto their utilization including pyrolysis, gasification, liquefaction and combustion …

Drying of low-rank coals: A review of fluidized bed technologies

C Si, J Wu, Y Wang, Y Zhang, X Shang - Drying Technology, 2015 - Taylor & Francis
The high moisture content of low-rank coals is a matter of concern in many areas, creating
high transportation costs, potential safety hazards in transportation and storage, and the low …

Low-grade coals: A review of some prospective upgrading technologies

H Katalambula, R Gupta - Energy & Fuels, 2009 - ACS Publications
Low-grade coals are usually those that are low in specific energy because of high moisture
content and/or ash content or produce high emissions of concern. These are commonly …

Upgrading of low rank coal by hydrothermal treatment: Coal tar yield during pyrolysis

D Zhang, P Liu, X Lu, L Wang, T Pan - Fuel Processing Technology, 2016 - Elsevier
Hydrothermal treatment of coal was carried out in a lab autoclave at 533 K for 30 min and
coal pyrolysis was completed in a tube reactor at 873 K for 15 min with the heating rate of 5 …

Fractal characteristics of pore structures in 13 coal specimens: Relationship among fractal dimension, pore structure parameter, and slurry ability of coal

JF Zhu, JZ Liu, YM Yang, J Cheng, JH Zhou… - Fuel Processing …, 2016 - Elsevier
The fractal characteristics of pore structures in 13 different coal specimens were
investigated. Insights into the relationship among fractal dimension, pore structure …

Hydrothermal dewatering of a Chinese lignite and properties of the solid products

J Liao, Y Fei, M Marshall, AL Chaffee, L Chang - Fuel, 2016 - Elsevier
A lignite from Shengli mine in Chinese Inner Mongolia was upgraded by hydrothermal
dewatering (HTD). The effects of the HTD process on the solid product yield and the removal …

Thin-layer drying characteristics and modeling of **meng lignite under microwave irradiation

JF Zhu, JZ Liu, JH Wu, J Cheng, JH Zhou… - Fuel Processing …, 2015 - Elsevier
The thin-layer drying characteristics of **meng lignite (XL) were investigated under
microwave irradiation, and mathematical modeling using thin-layer drying models from …

Effect of hydrothermal treatment on the structure and pyrolysis product distribution of **aolongtan lignite

P Liu, L Wang, Y Zhou, T Pan, X Lu, D Zhang - Fuel, 2016 - Elsevier
Hydrothermal treatment of **aolongtan lignite (XLT) was carried out in a lab autoclave and
the pyrolysis was studied in a tube reactor at 873 K for 15 min. The structure of the lignite …

Chemical and structural changes in **Meng lignite and its carbon migration during hydrothermal dewatering

J Wu, J Liu, X Zhang, Z Wang, J Zhou, K Cen - Fuel, 2015 - Elsevier
Abstract Changes in the structural features of **Meng (XM) lignite during hydrothermal
dewatering (HTD) were investigated by solid-state nuclear magnetic resonance (NMR) …

Free radical reaction mechanism on improving tar yield and quality derived from lignite after hydrothermal treatment

P Liu, J Le, D Zhang, S Wang, T Pan - Fuel, 2017 - Elsevier
Coal pyrolysis process is accompanied by free radical generation, stabilization and
condensation. Free radical concentration plays a crucial role in pyrolysis product …