Preparation and application of anionic aliphatic additive for coal-water slurry

Anionic aliphatic is one of the most promising and applicable additives for preparation of coal-water slurry. Anionic aliphatic was synthesised and was further characterised by Fourier transform infrared, zeta potentials, apparent viscosities and static stabilities. The properties of anionic aliphat...

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Bibliographic Details
Published inMaterials research innovations Vol. 19; no. sup9; pp. S9-299 - S9-301
Main Authors Ma, S. D., Xu, Q., Liu, C., Guo, Y.
Format Journal Article
LanguageEnglish
Published Taylor & Francis 01.11.2015
Subjects
Additives
Aliphatic compounds
Anionic aliphatic
Characterisation
CWS additive
Fourier transforms
Infrared
Preparation
Properties
Slurries
Static stability
Viscosity
Zeta potential
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Summary:Anionic aliphatic is one of the most promising and applicable additives for preparation of coal-water slurry. Anionic aliphatic was synthesised and was further characterised by Fourier transform infrared, zeta potentials, apparent viscosities and static stabilities. The properties of anionic aliphatic as additive for coal-water slurry were evaluated. For the coal-water slurry with solid content of 65 wt-% adding 0.5 wt-% additive, the apparent viscosity was 322 mPa.s, and the static stability was good (i.e. the penetration ratio of the sample was 80.3%). Results showed that the coal-water slurry with anionic aliphatic additive had good properties. The coal-water slurry performances can be further improved via application of two additives (i.e. polycarboxylate and aliphatic) simultaneously because of steric hindrance, hydrophilic improvement and electrostatic force effects.
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ISSN:1432-8917
1433-075X
DOI:10.1179/1432891715Z.0000000001994