High-strength fuel pellets made of flour milling and coal slack wastes

Roman Tabakaev, Victor Kahn, Yury Dubinin, Maxim Rudmin, Nikolay Yazykov, Artem Skugarov, Eduard Alekseenko, Alexander Zavorin and Sergei Preis

Energy, 2022, vol. 243, issue C

Abstract: Foreseeably, coal remains one of the main energy sources in the global economy. Huge amounts of hazardous coal mining wastes, coal slack may be converted to useable fuel. Producing high-strength fuel pellets from coal slack using a biomass binder presents an objective. Experimental research into combining coal wastes with wheat bran binder using products’ differential thermal analysis was undertaken. Optimum process parameters of pellet moulding were determined: mixture moisture content 16–19 wt % and wheat bran dry fraction 4–20 wt % at 120–160 °C under the pressure of 75–300 MPa. Pilot-scale implementation of the method was realized meeting moulded fuel standards.

Keywords: Moulded fuel; Coal fines; Wheat bran; Mechanical strength; Combustion emissions (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:243:y:2022:i:c:s036054422103320x

DOI: 10.1016/j.energy.2021.123071

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