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Article
Open Accesstert-Butyl Ethers of Renewable Diols as Oxygenate Additives to Automobile Gasolines. Part II: Ethers of Ethylene Glycol and 2,3-Butanediol
The results obtained in the second part of the study of vicinal (tert-butoxy)alkanols as additives to automobile gasolines are presented. Mono-tert-butyl ethers of ethylene glycol (ETBE) and 2,3-butanediol (BTBE)...
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Article
Open Accesstert-Butyl Ethers of Renewable Diols as Oxygenated Additives for Motor Gasoline. Part I: Glycerol and Propylene Glycol Ethers
The study investigates tert-butoxy alkanols (otherwise defined as polyol tert-butyl ethers) that have vicinal tert-butoxy and hydroxy groups in their molecules from the perspective of their usability as oxygenate...
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Article
Oxidative Desulfurization of Petroleum Coke
Desulfurization of petroleum coke by oxidation of its sulfur-containing constituents in an aqueous phase with oxygen at elevated pressures and temperatures in the batch mode (in an autoclave) was studied. Desu...
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Article
Open AccessPhase Equilibriums of Ammonium Chloride Systems as Model Hydrogenolysis Products of Organochlorine Compounds under Naphtha Hydrotreating Conditions
The study focuses on corrosion challenges for naphtha hydrotreating equipment (installed upstream of a reforming unit) caused by ammonium chloride deposits and on the development of adequate chemical engineeri...
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Article
Hydrodemercaptanization as an Optimal Means of Producing Jet Fuel: Comparison with Hydrotreating and Oxidative Demercaptanization
The article presents a comprehensive analysis and comparison of existing technologies for producing jet fuels: hydrotreating, hydrodemercaptanization, and oxidative demercaptanization. For the majority of cons...
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Article
Production of Arctic Diesel Fuel with Use Temperature Up to Minus 65°C
The Ministry of Defense of the Russian Federation have developed a unique standard for Arctic diesel fuel, which implies attainment of low-temperature indices of diesel fuel below -65°C without additives. Beca...
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Article
An Ideal Model of Fractional Feed Distribution in a Dewaxing Plant
A comprehensive analysis of the properties of close-cut fractions of hydrotreated and hydrocracked diesel fuels was made to evaluate their usability as a feed of plant for isodewaxing on platinum catalyst. An ...
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Article
Improving the Efficiency of Oil Treating and Refining Processes (Review)
Basic technologies for crude oil conditioning and transportation and the processing of various petroleum feedstocks are considered from the viewpoint of methods for their improvement, energy saving, increasing...
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Article
Controlling the Aggregative Stability of Feedstock Blends and Petroleum Products
The article highlights one of the important problems in oil refining, the compatibility of components in the formation of feedstock blends and marketable petroleum products. The principles of determining and c...
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Article
Enhancing the Efficiency of Refinery Crude Oil Distillation Process by Optimized Preliminary Feedstock Blending (Review)
The modern concepts of crude oils and refinery products as petroleum disperse systems are surveyed, as well as the related possibilities of optimizing crude oil refining processes. Through the optimal blending...
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Article
Physicochemical aspects of primary oil processing technology (Review)
The review presents theoretical concepts of petroleum disperse systems, options for controlling phase transitions, balances of intermolecular interaction forces, and means to achieve the active state of feedst...
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Article
Disperse systems as main feedstock for carbon black production
Abstract—Colloidal properties of model and actual feedstock and methods to control them in production of carbon black (CB) have been studied. The role of surface phenomena during formation of CB properties has...
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Article
Catalytic cracking of hydrotreated vacuum gas oil over a zeolite-containing catalyst modified with nickel and cobalt nanoparticles
The effect of the concentration of nickel and cobalt precursors on the catalytic cracking performance has been studied. A FTIR study of the catalyst surface after cracking in the presence of nickel and cobalt ...
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Article
Physicochemical aspects of petroleum coke formation (review)
The current status and development of petroleum residue upgrading via coking in Russia and over the world have been surveyed with an emphasis on the role of the process in salving the problem of increasing the...
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Article
Studying of the efficiency of a catalytic dewaxing process utilizing zeolite-based catalyst with an iron additive
The possibility of producing diesel fuel for cold climates from middle distillates of different origin in the process of the catalytic dewaxing over zeolite catalysts with additions of iron is investigated. In...
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Article
Structural transformations of asphaltenes during hydroconversion of vacuum residue with recycling the hydroconversion product distillation residue
The hydroconversion of vacuum residue (VR) with the recycle of the unconverted vacuum residue in the presence of nanosized MoS2 catalyst particles synthesized “in situ” in the hydrocarbon medium has been studied....
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Article
A study of structural transformations of asphaltene molecules during hydroconversion of vacuum residue at various temperatures in the presence of nanosized molybdenum disulfide particles
Elemental analysis, molecular mass, and 1H NMR data are presented for vacuum residue asphaltenes and the products of vacuum residue hydroconversion in the presence of nanosized MoS2 catalyst particles obtained “i...
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Article
Intensification of Vacuum Distillation of Residual Fuel Oil from Kumkol Oil by Controlling Phase Transitions of Oil Disperse Systems
The feasibility of intensification of vacuum distillation of high-paraffin residual fuel oil from Kumkol crude oil (Kazakhstan) by controlling phase transitions of oil disperse systems through injection of act...
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Article
Effect of oil content in paraffin on waterproofing properties of paraffin emulsions
We demonstrate that a paraffin emulsion can be used as a waterproofing agent for porous silicate materials. We establish that the water-repellant properties of the indicated material are affected both by the p...
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Article
Effect of cottonseed oil additives and etherification products on diesel fuel properties
The introduction into diesel fuel of cottonseed oil additives and methanol etherification products is studied. The change occurring in the physical-chemical and operational properties of diesel fuel as a resul...
