Relation of Structural and Chemical Parameters of Tar Hydroconversion Residue to Catalytic Properties of Nanosized Catalysts Based on Mo, Co, ... View Full Text


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Article Info

DATE

2020-03

AUTHORS

L. A. Zekel’, E. E. Magomadov, A. M. Gyul’maliev, M. Kh. Kadieva, A. E. Batov, Kh. M. Kadiev

ABSTRACT

At a pilot plant with a flow reactor, the hydroconversion of oil vacuum distillation residue (tar) was studied at a hydrogen pressure of 7 MPa, a temperature of 445°C, a feed space velocity of 2 h–1 in the presence of suspensions of nanosized particles of catalysts obtained in situ in the reaction zone from previously prepared in the feed of reverse emulsions of aqueous solutions of precursors: salts of molybdenum, nickel, cobalt, and aluminum. Based on the data of elemental analysis and 1H NMR spectra, the structural parameters of the hydrogenated feed vacuum distillation residues, are determined. The relationship between the structural and chemical parameters of the residues, conversion of raw materials, coke yield, and catalyst composition was established. Tar conversion and unsaturation of the vacuum residue, as structural parameter, increase in the series of Mo–Al, Ni, Mo–Co–Al, Mo, Mo–Co, Mo–Ni, Al catalysts. More... »

PAGES

449-455

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1070427220030179

DOI

http://dx.doi.org/10.1134/s1070427220030179

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1126892972


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