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A review on the role of amorphous aluminum compounds in catalysis: Avenues of investigation and potential application in petrochemistry and oil refining

Mukhamed’yarova A.N.; Gareev B.I.; Nurgaliev D.K.; Aliev F.A.; Vakhin A.V. (2021)

Aluminum oxides and hydroxides are widely applied because of the great variety of their modifications. In particular, aluminum oxides and hydroxides are used in petrochemistry and oil refining. However, amorphous aluminum ...
Application of pulsed and high-frequency electron paramagnetic resonance techniques to study petroleum disperse systems

Gafurov M.R.; Ponomarev A.A.; Mamin G.V.; Rodionov A.A.; Murzakhanov F.F.; Arash T.; Orlinskii S.B. (2020)

© 2020 The Authors. The spectral and relaxation characteristics of “free” organic radicals (FR) and vanadyl-porphyrin (VP) complexes in various petroleum disperse systems (PDS) like bitumen, petroleum, their high-molecular ...
Complex modification technology of bituminous insulating materials

Myrkhalykov Z.; Bazhirov T.; Kemalov A.; Kemalov R.; Syrmanova K.; Botashev Y. (2017)

© National Academy of Sciences of the Republic of Kazakhstan, 2017. Strategic trend of modern oil refining industry is concluded in further extension of oil refining. On this evidence, development of intensive technology ...
Electron paramagnetic resonance studies of asphaltenes complexes in heavy oils and bitumen

Volodin M.; Gafurov M.; Mamin G.; Orlinskii S.; Murzakaev V.; Yusupova T. (2013)

The present paper is focused on the application of some of the multifrequency (9.5 and 94 GHz) continuous wave and pulsed EPR techniques to study the dynamics and structure of asphaltenes and vanadyl complexes from the ...
Influence of Co-based catalyst on subfractional composition of heavy oil asphaltenes during aquathermolysis

Mukhamatdinov I.; Salih I.; Rakhmatullin I.; Sitnov S.; Laikov A.; Klochkov V.; Vakhin A. (2019)

© 2019 Elsevier B.V. The chemical changes in the composition of asphaltene subfractions of heavy oil under the influence of oil-soluble Co-based catalyst were investigated. The results of SARA-analysis and MALDI-spectroscopy ...
Polyolefin composition materials filled with oil asphaltenes and their functionalized derivatives

Minzagirova A.M.; Gilmanova A.R.; Borisova Y.Y.; Borisov D.N.; Galikhanov M.F.; Ziganshin M.A.; Yakubov M.R. (2020)

© Siberian Federal University. All rights reserved In this work, composite materials based on LLDPE and asphaltenes, their functionalized derivatives,andanindustrialresidueofsolventdeasphaltingoftarwereinvestigated.Physi ...
Some attenuation characteristics of ultrasound waves in asphaltene suspensions of heavy oil

Unknown author (2018)

© SGEM2018. Asphaltenes are one of the very important components of heavy oil. They define the viscosity of oil and provide significant problems in production, transportation and refinery of heavy crude oil. Investigation ...
The composition and thermal properties of waxes in oil asphaltenes

Ganeeva Y.; Yusupova T.; Romanov G.; Gubaidullin A.; Samigullina A. (2015)

© 2015 Akadémiai Kiadó, Budapest, Hungary. Asphaltenes of four Russian and Kyrgyzstan crude oils were investigated with calorimetry, gas chromatography and X-ray diffraction analysis. It was established that asphaltenes ...
The role of nanodispersed catalysts in microwave application during the development of unconventional hydrocarbon reserves: A review of potential applications

Vakhin A.V.; Khelkhal M.A.; Tajik A.; Gafurov M.R.; Morozov O.G.; Nasybullin A.R.; Karandashov S.A.; Ponomarev A.A.; Krapivnitskaia T.O.; Glyavin M.Y.; Slavkina O.V.; Shchekoldin K.A. (2021)

Electromagnetic impact on oil reservoir manifests itself in various physical and chemical phenomena and attracts a significant scientific and technological interest. Microwave (MW) radiation heating can be more efficient ...
The study of solid high-molecular paraffin hydrocarbons in crude oils

Baibekova L.; Ibragimova D.; Ibragimov R.; Ganeyeva Y.; Petrov S.; Shaposhnikov D. (2015)

© Research India Publications. Information about the composition, structure and properties of high-molecular paraffin hydrocarbons is of great importance for understanding the phenomena of structuring oil disperse systems, ...
Waxes in asphaltenes of crude oils and wax deposits

Ganeeva Y.; Yusupova T.; Romanov G. (2016)

© 2016, The Author(s).Composition and molecular mass distribution of n-alkanes in asphaltenes of crude oils of different ages and in wax deposits formed in the borehole equipment were studied. In asphaltenes, n-alkanes ...
Waxes in asphaltenes of crude oils and wax deposits

Ganeeva Y.; Yusupova T.; Romanov G. (2016)

© 2016 The Author(s)Composition and molecular mass distribution of n-alkanes in asphaltenes of crude oils of different ages and in wax deposits formed in the borehole equipment were studied. In asphaltenes, n-alkanes from ...

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