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Coal resources and coke production in the second half of 2009 and the first quarter of 2010 are considered. The unsuitability of the available coal for the production of high-strength coke is analyzed.
The basic factors determining the microelement concentrations in coal are considered: the reactivity of the organic material, the presence of water-soluble forms of microelements, the forms of the microelements in coal, and the accumulation of microelements in coal. The transformation of organic...
The relation between the CSR and CRI values of coke and its familiar characteristics is analyzed. The strength and reactivity of coke differ over the blast-furnace height. The economic importance of each of these properties may only be established for specified blast-furnace conditions and...
Experience in the hot repair of coke furnaces by ceramic surfacing over 12 years at OAO ZSMK is reviewed. It is established that the calculation method for ceramic repair blends adopted at Chernogolovke must be employed. At OAO ZSMK, ceramic blends are produced from the initial components on...
The hierarchical model of Dinas ceramic based on defining relations with a minimum of implicit parameters permits assessment of the viability of Dinas structures and prediction of the creep and long-term strength of the heating walls in coke furnaces. However, prediction of the cyclic creep is...
The use of extraction with γ-butyrolactone to purify materials with similar boiling points is discussed.
The content of polycyclic aromatic compounds—including the strong carcinogens benz[a]pyrene and dibenz[a,h]anthracene—in coke-plant wastewater is investigated. Biochemical purification permits the removal of the following polycyclic aromatic compounds: naphthalene, acenaphthylene, fluorene,...
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