Stabilization of coal-water suspensions

Aizhan Nauryzbay, Aizhan Mukhit, Moldir Kerimkulova, Kuatzhan Seyitkan, Kuanyshbek Bituovich Musabekov

2021

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DOI 10.1051/matecconf/202134001024

Data confidence 70 medium

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Abstract

In this paper, the effect of sodium lignosulfonate and sodium carboxymethyl cellulose on the stability of a water-coal suspension was studied. As a result, the viscosity of the water-coal suspension was 0.01-0.08 P∙s. The change in dynamic shear rate was considered when adding these plasticizers in different changes. The minimum value of the dynamic shear rate of 13.6 was achieved with the addition of sodium LST plasticizer (SD = 0.1%) in the presence of 40% coal. The influence of alkali on the viscosity of a water-coal suspension was also studied.