Abstract
The paper presents the characteristics of coal-water slurries (CWS) prepared by electric discharge methods. The radius of the minimum size, most probable size and maximum size particles of CWS was found. The sedimentation speed of the particles of each size was defined. The sedimentation curve, integral distribution curve, differential distribution curve after and without electric discharge machining were structured. The process of sedimentation by the analytical method, integral sedimentation distribution law and the differential form of this equation were described. As a result of investigations it was found that coal-water slurry after discharge treatment has lower sedimentation speed than before treatment. Differential distribution curves show that the treated coal-water slurry is dominated by the particle size of substantially 0.1537*10−4 m, whereas in the untreated slurry predominate particle size is 0.413*10−4 m, that indicates an increase in aggregate stability of the treated system.
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Buyantuev, S.L., Khmelev, A.B., Kondratenko, A.S., Baldynova, F.P. (2016). Investigation of the Electric Discharge Machining on the Stability of Coal-Water Slurries. In: Pasila, F., Tanoto, Y., Lim, R., Santoso, M., Pah, N. (eds) Proceedings of Second International Conference on Electrical Systems, Technology and Information 2015 (ICESTI 2015). Lecture Notes in Electrical Engineering, vol 365. Springer, Singapore. https://doi.org/10.1007/978-981-287-988-2_42
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DOI: https://doi.org/10.1007/978-981-287-988-2_42
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