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Among the properties of coal that must be studied in order to optimize its preparation for coke production and deep processing are the interactions of adsorbed materials—in particular, water, methane, and carbon dioxide—with its surface. An important aspect of these interactions is phase...
Apparatus for determining the oxidation of coal according to Ukrainian State Standard DSTU 7611:2014 is used to determine the influence of the heating rate and degree of oxidation of coal on its ignition temperature. By means of the Kissinger equation, the activation energy, preexponential...
To date, Giprokoks designs have been used for all Russian coke batteries. The condition of these coke batteries has been deteriorating from year to year. The mean life of Russian coke batteries is 32 years, with values of 35 years for OAO EVRAZ ZSMK, 40 years for OAO MMK, 33 years for OAO Altai...
A production technology has been developed for strong briquets (with high CSR and M
25) based on coke derived from Kansko-Achinsk lignite. A mixture consisting of lignite coke and binder (Zh and KZh coal) is crushed (to particle size less than 0.2 mm) and mixed with strengthening additive. This...
The potential of oil-processing byproducts and various aliphatic and cyclic oxygen-bearing compounds as coal-flotation agents is investigated. In the search for highly effective coal-flotation agents of specific structure and elemental composition, one useful criterion is the energy of the...
The production of fuel granules on the basis of various types of waste (wood shavings, spent malt, peat, sunflower husks, leaves, and carbon black) is considered. The calorific value and ash content of the granules are determined in comprehensive tests. A model is proposed for the multistage...
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