Abstract
The need to increase the depth of processing of oil and hydrocarbon-containing raw materials entails the need for qualified processing of residual products in order to use them more efficiently. This paper shows the role of a delayed coking unit in the processing of heavy oil residues and the deepening of oil refining, as well as the state of the global and Russian coke production market. An analysis of various heavy coking gas oils was carried out according to their initial physicochemical characteristics and type of origin. Material balances of coking in a laboratory installation of various heavy coking gas oils and their influence on the material balance of the installation as a whole were compiled. A number of promising areas of research for further improvement of the process are identified. The data obtained can be used when designing new capacities during the construction of delayed coking units at oil refineries to improve the physical and chemical characteristics of intermediate products and increase the yield of light oil products.
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