Research into the process of preparation of Ukrainian coal by the oil aggregation method

Authors

DOI:

https://doi.org/10.15587/1729-4061.2017.104123

Keywords:

oil aggregation, coal preparation, ash content of coal, aggregation, self-leveling of oil aggregation

Abstract

We conducted a study into concentration of Donetsk coal with varying degrees of coalification – anthracite and grade G – by the method of oil aggregation. We determined the character of impact of the following factors on the results of oil aggregation of coal: the ash content of original coal, pulp agitation duration, pulp density, consumption and type of reagent-binder.

The research demonstrated a possibility of effective preparation of finely- and thinly dispersed Donetsk coal the size of 0–0.1; 0–1(2) mm and ash content from 10–15 % to 65–70 % by the method of oil aggregation.

In this case, it was established that with an increase in the ash content of original coal, the process of oil aggregation displays a capacity of self-leveling. By reducing the speed of aggregation, it is possible to attain practically stable technological results over the entire examined range of ash content of original coal – from 10–15 % to 65–70 %.

Obtained results substantiate the possibility of employing the process of oil aggregation for the re-preparation of waste, in particular, waste of flotation and gravitation separation of coal preparation

Author Biographies

Volodymyr Biletsky, Poltava National Technical Yuri Kondratyuk University Pershotravnevyi ave., 24, Poltava, Ukraine, 36011

Doctor of Technical Sciences, Professor, Head of Department

Department of the equipment of oil and gas fields

Petro Molchanov, Poltava National Technical Yuri Kondratyuk University Pershotravnevyi ave., 24, Poltava, Ukraine, 36011

PhD

Department of the equipment of oil and gas fields

Mykola Sokur, Kremenchuk Mykhailo Ostrohradskyi National University Pershotravneva str., 20, Kremenchuk, Ukraine, 39600

Doctor of Technical Sciences, Professor

Department of marketing

Gennady Gayko, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" Peremohy ave., 37, Kyiv, Ukraine, 03056

Doctor of Technical Sciences, Professor

Department of Mining and Technology Geobuilding

Vasyl Savyk, Poltava National Technical Yuri Kondratyuk University Pershotravnevyi ave., 24, Poltava, Ukraine, 36011

PhD

Department of the equipment of oil and gas fields

Vitaliy Orlovskyy, Poltava National Technical Yuri Kondratyuk University Pershotravnevyi ave., 24, Poltava, Ukraine, 36011

PhD

Department of the equipment of oil and gas fields

Mihailo Liakh, Ivano-Frankivsk National Technical University of Oil and Gas Karpatska str., 15, Ivano-Frankivsk, Ukraine, 76019

PhD, Professor

Department of Oil and Gas Equipment

Teodoziia Yatsyshyn, Ivano-Frankivsk National Technical University of Oil and Gas Karpatska str., 15, Ivano-Frankivsk, Ukraine, 76019

PhD, Associate Professor

Department of ecology

Roman Fursa, Ivano-Frankivsk National Technical University of Oil and Gas Karpatska str., 15, Ivano-Frankivsk, Ukraine, 76019

Postgraduate student

Department of Oil and Gas Equipment

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Published

2017-06-30

How to Cite

Biletsky, V., Molchanov, P., Sokur, M., Gayko, G., Savyk, V., Orlovskyy, V., Liakh, M., Yatsyshyn, T., & Fursa, R. (2017). Research into the process of preparation of Ukrainian coal by the oil aggregation method. Eastern-European Journal of Enterprise Technologies, 3(5 (87), 45–53. https://doi.org/10.15587/1729-4061.2017.104123

Issue

Section

Applied physics