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Elementary analysis of the organic mass of coal does not provide sufficient information to predict the yield of coking products, since it does not reflect the changes in the atomic bonds between the carbon, hydrogen, and other elements.
The oxidation of coal of different ranks and from different basins is practically the same. There are three main stages: the initial stage, intense oxidation, and saturation. The boundary Δt = 6°C is assumed to mark the transition from the initial stage to intense oxidation. This transition...
A radioisotope method is proposed for determining the heat of combustion of coal. This method is based on recording of the Γ radiation associated with the inelastic scattering of fast neutrons and the radiative capture of thermal neutrons by elements in the fuel.
The shrinkage of the charge and the formation of coke cake are described on the basis of theoretical research and industrial experiments. Shrinkage begins when the coal batch is introduced, and therefore rewards careful scrutiny. With changes in coke-battery design—in particular, increases in...
The possibility of producing petroleum pitch by thermopolycondensation of heavy pyrolytic tar is considered. Optimal production conditions for fiber-forming pitch are established. By increasing the pressure to 1.0 MPa (10 atm) in isothermal holding, the yield of pitch may be increased, without...
The possibility of using metal complexes of phthalocyanine as catalysts in removing nitrogen oxides from coke-furnace smokestack gases is demonstrated.
High-porosity sorbents may be produced by carbonization of low-grade oxidized coal in the presence of alkali.
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