Experimental investigation of coal dust wetting ability of anionic surfactants with different structures

Process Safety and Environmental Protection(2019)

Cited 98|Views30
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Abstract
•The wetting time doesn’t relate to the surface tension that is lower than 45 mN/m.•Hydrophobic and electrostatic interactions influence the adsorption density.•Hydrophilic-lipophilic balance (HLB) values affect the dynamic immersion process.•The surfactant structures cause different adsorption densities and HLB values.•Both the adsorption density and HLB value determine the wetting ability.
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Key words
Coal dust,Anionic surfactant,Wetting time,Surface tension,Adsorption density,Hydrophilic-lipophilic balance
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