TY - JOUR

T1 - Catalytic Steam Cracking of Heavy Oil Feedstocks

T2 - A Review

AU - Eletskii, P. M.

AU - Mironenko, O. O.

AU - Kukushkin, R. G.

AU - Sosnin, G. A.

AU - Yakovlev, V. A.

PY - 2018/7/1

Y1 - 2018/7/1

N2 - Abstract: In view of the worsening quality of crude oil, the use of unconventional petroleum feedstocks (heavy oils, bitumens, residues, etc.) in processing is becoming increasingly important. The processing of heavy oil feedstocks (HOF) requires the development of new effective techniques that will lead to an increase in the yield of light fractions, suppression of coke formation, and saturation of liquid products with hydrogen. At the same time, the capital and operating costs of the process should be minimized because the cost of production and transportation for HOF is several times higher than for light and middle oils. The present review summarizes the results of studies of the catalytic steam cracking of HOF—a potential alternative to conventional HOF upgrading based on carbon rejection (thermal cracking, visbreaking, catalytic cracking) or hydrogen addition (hydrocracking). The main differences of this process from HOF upgrading with water (aqueous pyrolysis in sub- or supercritical water), the peculiarities of the catalytic steam cracking depending on the process conditions and the type of catalyst, and possible mechanisms of water participation in the process were discussed.

AB - Abstract: In view of the worsening quality of crude oil, the use of unconventional petroleum feedstocks (heavy oils, bitumens, residues, etc.) in processing is becoming increasingly important. The processing of heavy oil feedstocks (HOF) requires the development of new effective techniques that will lead to an increase in the yield of light fractions, suppression of coke formation, and saturation of liquid products with hydrogen. At the same time, the capital and operating costs of the process should be minimized because the cost of production and transportation for HOF is several times higher than for light and middle oils. The present review summarizes the results of studies of the catalytic steam cracking of HOF—a potential alternative to conventional HOF upgrading based on carbon rejection (thermal cracking, visbreaking, catalytic cracking) or hydrogen addition (hydrocracking). The main differences of this process from HOF upgrading with water (aqueous pyrolysis in sub- or supercritical water), the peculiarities of the catalytic steam cracking depending on the process conditions and the type of catalyst, and possible mechanisms of water participation in the process were discussed.

KW - bitumen

KW - catalytic steam cracking

KW - hydrovisbreaking

KW - oxidative cracking

KW - steam reforming

KW - superheated steam

KW - upgrading of heavy oil feedstock

KW - vacuum residue

KW - VACUUM RESIDUE

KW - LIGHTER FUELS

KW - SUPERCRITICAL WATER

KW - CRUDE-OIL

KW - AROMATIC-COMPOUNDS

KW - USEFUL HYDROCARBONS

KW - IRON-OXIDE CATALYST

KW - PETROLEUM RESIDUAL OIL

KW - COKE FORMATION

KW - OXIDATIVE CRACKING

UR - http://www.scopus.com/inward/record.url?scp=85054806526&partnerID=8YFLogxK

U2 - 10.1134/S2070050418030042

DO - 10.1134/S2070050418030042

M3 - Article

AN - SCOPUS:85054806526

VL - 10

SP - 185

EP - 201

JO - Catalysis in Industry

JF - Catalysis in Industry

SN - 2070-0504

IS - 3

ER -