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The technological value of coal may be determined by predicting the strength and reactivity of the coke produced on the basis of the chemical and petrographic characteristics of the coal and the chemical composition of its ash.
The current state of global steel, coal, and coke markets is reviewed, with particular attention to including those in the European Community and other regions. Market trends and fluctuations in coal and coke prices are discussed. New developments in coke production are summarized.
Analysis of coking processes is an important means of boosting coke quality. The use of heat-flux calorimetry and differential scanning calorimetry to investigate the kinetics of multistage industrial reactions and develop corresponding models is considered. The information content of the...
Problems in the operation of coke battery 6 at Rourkela Steel Plant (India) are analyzed. Coke battery 6 is of PVR-51 type, with heating-gas supply at the bottom, and consists of 41.6-m3 ovens; combined heating is employed. The use of a stainless-steel sleeve to eliminate the leaking of heating...
A two-level approach to selecting the optimal organization of a system with a specified set of elements is considered. This approach is based on the information principle and supplements the method of optimal system organization on the basis of complexity criteria (evolutionary synthesis). A...
The influence of carbon additives with different texture on the thermal transformation of coal pitch is studied. The additives considered are Kemerit carbon nanomaterial, Taunit M nanotubes, AG-3 active coal, and graphite foam. All the additives increase the yield of solid residue and reduce the...
The liquid–vapor phase equilibria in binary systems containing 1,3-dimethylpyrazole and 1,5-dimethylpyrazole are investigated. On the basis of the results, the relative volatility, the minimum and working numbers of theoretical plates, and the minimum and working reflux ratios are calculated,...
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