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Several recommendations regarding the optimal rank composition of coal batch in bed coking are analyzed. It is shown that those approaches to evaluating the properties of the clinkering, coking, and lean components in optimal batch are inconsistent, do not result in optimal results, and do not...
The redox conditions in aerobic and anaerobic equipment for converting plant material to humus are considered. These conditions are determined, in the aerobic region, by the partial pressure of atmospheric oxygen and, in the anaerobic region, by the activity of oxygen, which is specified by the...
Factors affecting plastometric measurements for coal are considered. The need to revise State Standard GOST 1186-87 is discussed.
The influence of mineral components of coal on their extraction and processing is studied. A classification of the mineral components for regular and commercial coal is proposed on the basis of the mineralogical composition.
The oxidation of frothing agents (KOBS, OPPG-3, and the tar fraction of peat bitumen) affects coking-coal flotation. The tar fraction of Krapivinsk-peat bitumen has excellent frothing properties and provides the basis for a frothing agent in coking-coal flotation.
Industrial methods of improving coke quality for ferroalloy production by steam treatment, steeping in lime solution, and the application of flue dust have been developed. The quality of the experimental coke is described, and the coke is industrially tested in the smelting of ferrosilicon. The...
Extending the life of coke battery 4 at OAO Severstal to 50 years entailed resolving serious problems that arose after 40 years of operation. The measures adopted increase coke output to the design levels and result in exemplary environmental impact.
Tars obtained in the pyrolysis of rubber wastes (discarded tires) are investigated. The heavy fraction of the tar meets the requirements for boiler fuel. The use of such tar together with the thermal-processing products of solid fuel is recommended.
The need to revise the existing operating regulations (PTE-85) for coke plants is established.
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