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2013/1
Determining the Diameter of Dispersed Phase in Oil Residues to Assess Materials of Coking Process
Oil and gas processing, chemistry of oil and gas

Authors: Valentina K. STRELKOVA graduated from Gubkin Russian State University of Oil and Gas in 2010. She is Ph.D. student of the Department of Oil Refining Technologies of Gubkin Russian State University of Oil and Gas. E-mail: strelkova-valentina@yandex.ru
Vladimir A. TYUMENEV completed bachelor program at Gubkin Russian State University of Oil and Gas in 2011. He is currently studying for his Master’s Degree at the Department of Oil Refining Technologies of Gubkin Russian State University of Oil and Gas. E-mail: tumenevVA@gmail.com
Olga F. GLAGOLEVA
graduated from Gubkin Moscow Petroleum Institute in 1960. She is Professor of the Department of Oil Refining Technologies of Gubkin Russian State University of Oil and Gas, author of over 160 scientific papers in the field of oil refining. E-mail: ofprof@mail.ru

Abstract: The results of the study of dispersion of various petroleum residues as raw material of the coking process, one of the important processes, increasing refining efficiency are presented. The specific surface area and average particle sizes of the dispersed phase in the tar samples of West Siberian oil are determined. Samples of possible components of coking feedstock (namely heavy gas oil of catalytic cracking; residual extract and deasphalizate of lube unit, and pyrolysis resin). The effect of the above products added to the tar on the change of the specific surface and particle size of the dispersed phase was studied. It is shown that the addition of even a small amount (10%) of DAO, pyrolysis resin and heavy oil of catalytic cracking to the coking feedstock (tar) almost doubles the surface area of the dispersed particles and is a way to reduce the size of the dispersed phase, i.e. of dispersing the oil disperse system and to increase its kinetic stability.

Index UDK: 665.63

Keywords: disperse systems, heavy oil residues, method of delayed coking, photoelectric colorimetry, surface area, particle size of dispersed phase

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