Review and perspectives of anionic dispersants for coal–water slurry

R Xu, Y Feng, Q He, W Yan, M Yuan, B Hu - Energy & Fuels, 2023 - ACS Publications
Dispersants are chemical moieties that modify interfacial characteristics by adsorption at the
solid–liquid interface, and they have been widely used in modern industrial production. This …

Aggregates characterizations of the ultra-fine coal particles induced by nanobubbles

L Liu, S Hu, C Wu, K Liu, L Weng, W Zhou - Fuel, 2021 - Elsevier
Particle aggregates induced by nanobubble (NB) bridging has been recognized as one of
the main contributors to improve the flotation performance of minerals in NBs-associated …

Preparation of high concentration coal water slurry with good fluidity based on only modified fine particles under bimodal distribution using the second fluid and the …

D Yao, H Zhao, Z Chen, H Liu - Fuel, 2022 - Elsevier
Coal water slurry (CWS) is the clean and efficient liquid coal-based fuel. CWS with the high
solid content, low viscosity and good fluidity is conducive to efficient gasification and …

Comparative study on distribution characteristics of anionic dispersants in coal water slurry

S Hu, J Li, K Liu, Y Chen - Colloids and Surfaces A: Physicochemical and …, 2022 - Elsevier
The anionic dispersants, ie, sodium lignosulfonate (SLF), naphthalene sulfonate
formaldehyde (NSF) and sodium polystyrene sulfonate (PSS), were commonly used to …

Improving the slurryability of high ash coal by blending anthracite of different particle size range

A Pandey, D Hansdah, S Kumar - International Journal of Coal …, 2024 - Taylor & Francis
Hydraulic transportation of lignite and high ash coal (HAC) is economically unviable due to
their poor slurryability and stability. The study suggests and shows how the proper selection …

Improving the steric hindrance effect of linear sulfonated acetone–formaldehyde dispersant and its performance in coal–water slurry

W Shuai, S Wang, T Sun, H Yin, Y Zu, G Yao, Z Li… - RSC …, 2022 - pubs.rsc.org
Dispersants can have a substantial impact on the rheological characteristics of coal–water
slurry (CWS). Due to their advantages in cost and synthesis, linear dispersants are currently …

Degradation and filling modification of plastic waste for improvement of the slurryability of coal-plastic-water slurry

J Zhai, R Xu, Q He, S Pan, X Wang, R Zhang, Y Feng… - Fuel, 2023 - Elsevier
In this paper, coal-plastic-water slurry (CPWS) was prepared by blending plastic waste with
coal in water. To enhance the grindability and density, the plastic waste containing …

Effects of particle filling and gradation on the properties of coal-water slurries blended with semicoke

Q He, R Xu, X Wang, Y Feng, J Zhai, D Dai, S Wu… - Powder Technology, 2023 - Elsevier
Coal-semicoke-water slurry (CSWS) was prepared by blending semicoke with coal-water
slury (CWS). The effects of semicoke blending ratio and particle size distribution on the …

Insights into the Dispersion Mechanism of Microfine Coal Particles Modified with Naphthalene Sulfonate Formaldehyde Based on EDLVO Theory

Y Chen, Z Song, Q Sun, K Liu, S Hu, J Li - Energy & Fuels, 2023 - ACS Publications
Coal water slurry (CWS) fuel prepared using microfine coal particles with a size distribution
of 1–10 μm is a promising way to cleanly utilize solid resources in engines, even catering a …

Preparation of good fluidity coal water paste based on the modified compartment stacking theory

Q Wu, H Zhao, W Li, J Xu, H Liu - International Journal of Coal …, 2024 - Taylor & Francis
Coal water paste (CWP) is a mixture of pulverized coal and water with a mass concentration
of more than 70 wt%. CWP has a higher coal concentration than traditional coal water slurry …