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Coke and Chemistry
ArticleName Petroleum coking additive - raw material component for metallurgical coke production. Part 2. Experimental studies of obtaining a petroleum coking additive
DOI 10.17580/cisisr.2022.02.02
ArticleAuthor A. I. Nasifullina, M. K. Starkov, R. R. Gabdulkhakov, V. A. Rudko

Saint Petersburg Mining University (St. Petersburg, Russia):

A. I. Nasifullina, Employee of Scientific Center "Issues of Processing Mineral and Technogenic Resources", e-mail:
M. K. Starkov, Employee of Scientific Center "Issues of Processing Mineral and Technogenic Resources", e-mail:
R. R. Gabdulkhakov, Researcher of Scientific Center "Issues of Processing Mineral and Technogenic Resources", e-mail:
V. A. Rudko, Dr. Eng., Executive Director of Scientific Center "Issues of Processing Mineral and Technogenic Resources", e-mail:


Petroleum coke is a potential partial replacement of coking coals (being in short supply) in manufacture of metallurgical coke; in Russia and other CIS countries it was entitled as petroleum coking additive (PCA), petroleum coke with output of volatile substances within the range 15-25 %. The second part of the work describes the results of conducted experimental researches in the field of manufacture of petroleum coke additive on the example of use of two kinds of sulfuric petroleum residues of “KINEF” JSC as raw materials: residue of atmospheric distillation and mixture of residues of vacuum distillation and visbreaking. The research was conducted for two temperature procedures within the ranges 455-465 and 475-485 °С. Eight samples of carbon material were obtained as a result of conversion, and influence of input parameters of the coking process on composition and physical-chemical properties of obtained carbon materials was established. Based on content of volatile substances in petroleum coke additive and its group chemical composition, which was determined via extraction method (content of α-, β- and γ-fractions) and via infrared Fourier spectroscopy, assessment and ranging of the eight obtained PCA samples were carried out by their sintering susceptibility. Interpretation of infrared spectra of obtained PCA samples was conducted via comparison with infrared spectra of coking coal, which have identical absorption stripes. Relation between PCA sintering ability and procedure parameters of the coking process was revealed. It was determined that technological process occurring at the less coking temperature 455-465 °С provides high quality PCA forming, otherwise the procedure with higher temperature (475-485 °С).

This work was carried out as part of the State Assignment 0792-2020-0010 “Development of scientific foundations of innovative technologies for processing heavy hydrocarbon raw materials into environmentally friendly motor fuels and new carbon materials with controlled macro- and microstructural organization of mesophase”.

keywords Petroleum coke, coking coals, petroleum coke additive, delayed coking, metallurgical coke, petroleum residues

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