K. Yu. Vershinina, V. V. Dorokhov, G. S. Nyashina, D. S. Romanov
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引用次数: 0
Abstract
The influence of binders on the strength of sawdust pellets is investigated. Two groups of binders are considered: commercial products (starch and lignin); and those derived from low-grade fuels and waste (coal sludge, peat, and sunflower cake). All the additives considered improve pellet strength under vibration by 3.9–8.0%. Under impact, none of the pellets disintegrated completely. The impact strength was greatest for sawdust-based pellets with no additives. The use of special additives reduces the hygroscopic properties by 0.9–1.3%. The experimental results show that pellets containing peat are dense and wear-resistant and withstand impact well, but they are inclined to absorb atmospheric moisture. The best binder concentration is 5 wt %; that most improves pellet behavior. With 10 wt % binder, the pellet quality is either practically unchanged or impaired.
期刊介绍：
The journal publishes scientific developments and applications in the field of coal beneficiation and preparation for coking, coking processes, design of coking ovens and equipment, by-product recovery, automation of technological processes, ecology and economics. It also presents indispensable information on the scientific events devoted to thermal rectification, use of smokeless coal as an energy source, and manufacture of different liquid and solid chemical products.
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