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Article
The Influence of Test Conditions for the Second Hydrocracking Stage Catalysts on the Time to Reach Steady-State Activity
Catalysts of the second stage of hydrocracking are tested under different conditions, reducing the time required to reach the level of steady-state activity. Tests are performed on a laboratory testbench under...
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Article
Development of Catalysts for Hydroprocesses in Oil Refining
The review presents an analysis of the scientific and technical level and tendencies in the development of modern imported and Russian catalysts for the main hydroprocesses of oil refining—hydrocracking of vac...
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Article
Conversion of Oil Shale Hydroconversion Products in the Presence of Supported Nickel–Molybdenum Sulfide Catalysts
The conversion of oil shale (OS) in a hydrogen medium at a pressure of 6.0 MPa and a temperature of 400°C with the subsequent refining of the resulting products in the presence of NiMo sulfide catalysts suppor...
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Article
Effect of Method of Boron Introduction into NiMo/Al2O3 Protective-Layer Catalysts on the Removal of Silicon from Diesel Fractions
NiMo/γ-Al2O3 protective-layer catalysts for removing silicon from diesel fractions were examined. The catalysts differ in the way in which boron is introduced into the support. The supports and catalysts were exa...
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Article
Hydrogenation of Bituminous Sand
The effect of the conditions of bituminous sand hydrogenation on the yields and properties of the resulting liquid hydrocarbons was studied. It was found that, on the hydrogenation of bituminous sand, hydrocar...
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Article
Influence of Temperature on the Hydrogenation of Oil Shale from the Kashpir Deposit
The effect of the hydrogenation temperature of oil shale from the Kashpir deposit on the yield and the properties of the resulting liquid hydrocarbons and gasoline and diesel fractions separated from them was ...
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Article
Hydrocracking of Vacuum Gasoil on NiMoW/AAS-Al2O3 Trimetallic Catalysts: Effect of the W : Mo Ratio
The effect of the W: (W + Mo) atomic ratio in NiMoW trimetallic catalysts on their catalytic and physicochemical properties is studied. The catalysts are prepared by impregnating a carrier containing amorphous...
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Chapter and Conference Paper
NiMo/USY-Alumina Catalysts with Different Zeolite Content for Vacuum Gas Oil Hydrocracking Over Stacked Beds
The stacked beds comprising hydrotreating catalyst as the top layer, hydrocracking catalyst based on amorphous silica-alumina as the interlayer and hydrocracking catalyst based on USY zeolite as the bottom lay...
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Article
Hydrocracking of Vacuum Gasoil on NiMo/AAS-Al2O3 Catalysts Prepared from Citric Acid: Effect of the Catalyst Heat Treatment Temperature
Ni-Mo bimetallic catalysts are prepared by impregnating a carrier containing amorphous aluminosilicate (AAS) and aluminum oxide using a solution with Ni, Mo, and citric acid. The temperature of the catalysts r...
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Article
Hydroconversion of Oil Shale on Natural Mineral Matrices
The hydroconversion of high-sulfur oil shale in the presence of natural mineral matrices: shale ash, sandstone, and clay has been investigated. It has been shown that mineral matrices containing clays and iron...
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Article
Effect of Composition and Texture Characteristics of NiMo/Al2O3 Guard-Bed Catalysts on Silicon Removal from Diesel Fractions
The influence of various characteristics of NiMo/Al2O3 guard-bed catalysts on their activity in the removal of silicon from the diesel fraction has been studied. It has been shown that an increase in the Ni and M...
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Article
Influence of the conditions of hydrogenation treatment of black oil on the yield and properties of the products obtained
The conversion of black oil in hydrogen (hydroconversion) and nitrogen (pyrolysis) media was studied. The influence of the hydrogen pressure and temperature of the hydrotreating of black oil on the yield and p...
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Article
A new catalyst for the deep hydrotreatment of vacuum gas oil, a catalytic cracking feedstock
A new CoNiMo/Al2O3 deep vacuum gas oil hydrotreatment catalyst designed for the production of catalytic cracking feedstocks containing 200–500 ppm of sulfur is developed. The method for its preparation includes t...
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Article
Formation of platinum sites on layered double hydroxide type basic supports: III. Effect of the mechanism of [PtCl6]2− complex binding to aluminum-magnesium layered double hydroxides on the properties of supported platinum in Pt/MgAlO x catalysts
While synthesizing platinum catalysts supported on aluminum-magnesium oxides (Pt/MgAlO x ), we established that, in the binding of the Pt(IV) chloro complex to aluminum-magnesium...
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Article
Use of platinum carbonyl complexes in the synthesis of Pt/MgAlO x catalysts
Pt/MgAlO x samples have been obtained by the adsorption of platinum carbonyl complexes on aluminum-magnesium oxides with Mg: Al = 2, 3, and 4. The composition of the adsorbed co...
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Article
Hydroisomerization of benzene-containing gasoline fractions on Pt/SO 4 2− -ZrO2-Al2O3 catalyst: Conversion of model and real feedstocks
The conversion of benzene-containing gasoline fractions on the bifunctional Pt/SO 4 2− -ZrO2-Al2O3 catalytic system with different compositions of the support i...
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Article
Liquid-phase isobutane alkylation with butenes over aluminum chloride complexes synthesized in situ from activated aluminum and tert-butyl chloride
The liquid-phase interaction between isobutane and butenes at 303 K and 2.5–3.0 MPa has been investigated using activated aluminum (Al*)-tert-butyl chloride (TBC) model system (TBC: Al* = 0.35−4 mol/mol). It has ...
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Article
Hydroisomerization of benzene-containing gasoline fractions on a Pt/SO 4 2− -ZrO2-Al2O3 catalyst: III. The hydrogenating properties of the catalyst
The properties and state of platinum in Pt/SO 4 2− -ZrO2-Al2O3 catalysts with various alumina contents have been investigated in benzene hydrogenation as a mode...
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Article
Hydroisomerization of benzene-containing gasoline fractions on a Pt/SO 4 2− -ZrO2-Al2O3 catalyst: II. Effect of chemical composition on acidic and hydrogenating and the occurrence of model isomerization reactions
The acidic and hydrogenating of Pt/SO 4 2− -ZrO2-Al2O3 samples containing from 18.8 to 67.8 wt % Al2O3 as a support constituent were studied by the IR spectroscopy of...
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Article
Hydroisomerization of benzene-containing gasoline fractions on a Pt/SO 4 2− -ZrO2-Al2O3 catalyst: I. Effect of chemical composition on the phase state and texture characteristics of SO 4 2− -ZrO2-Al2O3 supports
A series of SO 4 2− -ZrO2-Al2O3 oxide supports containing from 18.8 to 89.1 wt % alumina was prepared by mixing sulfated zirconia hydrate (weight ratio ZrO2: H2
