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Journal articles on the topic 'Hydrotreating process'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Elchin Melikov, Tamella Maharramova, Elchin Melikov, Tamella Maharramova. "CONTROL OF THE GASOLINE HYDROTREATING PROCESS." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 145, no. 05 (2024): 36–43. https://doi.org/10.36962/pahtei149052024-36.

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In a market economy, gasoline hydrotreating at modern oil refineries is considered one of the most important technological processes. In conditions where the demand for high-quality gasoline on the world market is high, control of the gasoline hydrotreating process is a very pressing issue. As oil refineries strive to meet stricter environmental regulations, hydrotreating processes are becoming increasingly important. An automated control system has been developed for such a technological process. During hydrotreating, petroleum fractions selectively react with hydrogen in the catalyst presenc

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2

Wang, Chao, Guan Yi Chen, and Wei Juan Lan. "Research Progress in the Bio-Oil Hydrotreating Process." Advanced Materials Research 608-609 (December 2012): 231–35. http://dx.doi.org/10.4028/www.scientific.net/amr.608-609.231.

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Bio-oil derived from biomass fast pyrolysis and biodiesel are all clean and renewable energy, which have been paid more and more attention by relevant researchers. The technology of biomass pyrolysis oil’s refining and producing second generation biodiesel by hydrotreating process are developed rapidly. This article presents the new research progress in the bio-oil hydrotreating refining for fuel.

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3

Usmanov, K. I., N. S. Yakubova, V. T. Urmanova, and G. E. Abdurasulova. "Synthesis of a control system for the process of diesel fuel hydropuring with the Adar method." E3S Web of Conferences 458 (2023): 01025. http://dx.doi.org/10.1051/e3sconf/202345801025.

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Currently, one of the main important tasks at oil refineries is to increase their productivity and product quality. Hydrotreating of diesel fuel is important in the oil refining process. The main purpose of hydrotreating is to improve the quality of fuel and remove sulfur, nitrogen and oxygen compounds from it. The diesel fuel hydrotreating process has a significant impact on product quality. As an object of study, a chemical reactor has a nonlinear characteristic and has the property of a reverse chemical reaction during the hydrotreating of diesel fuel. Also, the diesel fuel hydrotreating pr

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4

Setiawan, Daliya Indra, Tun Tedja Irawadi та Zainal Alim Mas’ud. "Hydrotreating of Sunan Candlenut (Reutealis trisperma Airy Shaw) Oil by Using NiMo-γAl₂O₃ as Renewable Energy". Indonesian Journal of Chemistry 19, № 1 (2019): 78. http://dx.doi.org/10.22146/ijc.27274.

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Hydrotreating process of Sunan candlenut oil by using NiMo-γAl2O3 catalyst has been successfully investigated. Preparation of NiMo-γAl2O3 catalyst by using dipping impregnation method generated catalyst used for hydrotreating process. This method consists of three stages: support activation, impregnation, and calcination. This factors influencing the process including temperature, pressure, and the ratio of Sunan candlenut oil to the H2 gas factor were examined. The hydrotreating product of fuel similar to oil was obtained at a minimum temperature of 380 °C, a pressure of 30–60 bar, and the ra

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5

Orazbayev, Batyr, Alua Tanirbergenova, Kulman Orazbayeva, et al. "Decision Making for Control of the Gasoline Fraction Hydrotreating Process in a Fuzzy Environment." Processes 12, no. 4 (2024): 669. http://dx.doi.org/10.3390/pr12040669.

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This article is devoted to the study of decision-making problems of hydrotreating process control in the production of high-quality gasoline under conditions of scarcity and fuzziness of the initial information, ultimately developing an approach to solve them. A systematic method is proposed that makes it possible to develop a package of mathematical models of a complex of interconnected units of chemical-technological systems based on available information of various types. Using the proposed system method, a package of models of the main interconnected units in which the hydrotreating proces

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Orazbayev, Batyr, Ainur Zhumadillayeva, Kulman Orazbayeva, Lyailya Kurmangaziyeva, Kanagat Dyussekeyev, and Sandugash Iskakova. "Methods for Developing Models in a Fuzzy Environment of Reactor and Hydrotreating Furnace of a Catalytic Reforming Unit." Applied Sciences 11, no. 18 (2021): 8317. http://dx.doi.org/10.3390/app11188317.

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Methods for the development of fuzzy and linguistic models of technological objects, which are characterized by the fuzzy output parameters and linguistic values of the input and output parameters of the object are proposed. The hydrotreating unit of the catalytic reforming unit was investigated and described. On the basis of experimental and statistical data and fuzzy information from experts and using the proposed methods, mathematical models of a hydrotreating reactor and a hydrotreating furnace were developed. To determine the volume of production from the outlet of the reactor and furnace

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7

Orazbaev, B., A. Zhumadillayeva, A. Tanirbergenova, K. Orazbayeva, and A. Kazieva. "PROBLEM OF DECISION-MAKING ON CONTROL OF THE PROCESS OF HYDRAULIC TREATMENT OF A CATALYTIC REFORMING PLANT IN A FUZZY MEDIUM AND DEVELOPMENT OF A METHOD FOR ITS SOLUTION." Bulletin of the National Engineering Academy of the Republic of Kazakhstan 82, no. 4 (2021): 158–67. http://dx.doi.org/10.47533/2020.1606-146x.126.

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The problems of formulating and solving the problem of making decisions on the control of the hydrotreating process in a fuzzy environment are investigated and an effective method for solving such problems with the involvement of experts, their experience, knowledge and intuition is proposed. The statement of the problem of controlling the hydrotreating process, which takes place in the hydrotreating reactor and is characterized by the indistinctness of the initial information, is obtained in the form of the problem of making decisions on the choice of the optimal operating mode of the hydrotr

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8

Orazbayev, B., Zh Moldasheva, L. La, K. Orazbayeva, Zh Tuleuov, and B. Utenova. "Problem of decision-making on control of the process of hydraulic treatment of a catalytic reforming plant in a fuzzy medium and development of a method for its solution." Bulletin of the National Engineering Academy of the Republic of Kazakhstan 83, no. 1 (2022): 71–82. http://dx.doi.org/10.47533/2020.1606-146x.142.

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The problems of formulating and solving the problem of making decisions on the control of the hydrotreating process in a fuzzy environment are investigated and an effective method for solving such problems with the involvement of experts, their experience, knowledge and intuition is proposed. The statement of the problem of controlling the hydrotreating process, which takes place in the hydrotreating reactor and is characterized by the indistinctness of the initial information, is obtained in the form of the problem of making decisions on the choice of the optimal operating mode of the hydrotr

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9

Akishina, Ekaterina Sergeevna, Sergey Aleksandrovich Zhelnov, Dmitry Vyacheslavovich Kozirev, and Rustam Imanbaevich Nigmetov. "Influence of temperature conditions of hydrocleaning process on fuel oil quality." Oil and gas technologies and environmental safety 2025, no. 2 (2025): 16–22. https://doi.org/10.24143/1812-9498-2025-2-16-22.

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Hydrogenation processes of oil residue refining are widely studied by Russian and foreign scientific groups, but so far they have practically not been implemented at domestic refineries. Due to the increased requirements for the quality of petroleum products, including fuel oil, as well as an increase in the proportion of heavy fractions, there is an urgent issue of upgrading and increasing secondary processes for refining residual raw materials and increasing the proportion of light fractions. One of the relevant processes is the catalytic hydrotreating of fuel oil. There are many scientific

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10

Schobert, Harold H. "Toward the zero-emission coal-to-liquids plant." TECHNOLOGY 03, no. 02n03 (2015): 147–53. http://dx.doi.org/10.1142/s2339547815400063.

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A novel near-zero-emission process for obtaining clean middle-distillate fuels, primarily from coal and with some algal input, has been developed. This process involves the solvent extraction of coal, followed by two stages of hydrotreating and hydrogenation, and finally distillation, to produce fuels of very low sulfur and low aromatics content. Prototype fuels have been shown to provide performance comparable to petroleum-derived jet and diesel fuels in gas turbine and small diesel engines, as well as in the solid oxide fuel cell. Approaches for reducing plant emissions nearly to zero would

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11

Euzen, J. P. "Moving-Bed Process for Residue Hydrotreating." Revue de l'Institut Français du Pétrole 46, no. 4 (1991): 517–27. http://dx.doi.org/10.2516/ogst:1991025.

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12

Imran, Dr Aed Jaber. "AL – Mansuriya gas fields associated liquid and its role to increase the potential capacity of gasoline fuel in Daura oil refinery." Journal of Petroleum Research and Studies 7, no. 1 (2021): 107–17. http://dx.doi.org/10.52716/jprs.v7i1.167.

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Hydrotreating processing is commonly used to remove platforming catalyst poisons from straight run or cracked naphthas prior to charging to the platforming Process unit. It can be seen that the primary function of the naphtha Hydrotreating Process can be characterized as a “Clean up” Operation. The catalyst used in the Naphtha Hydrotreating Process is composed of an alumina base impregnated with compounds of cobalt or nickel and molybdenum. The catalyst is insensitive to most poisons which affect dehydrogenation reactions. A relatively high percentage of carbon on the catalyst does not materia

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13

Tyukilina, P. M., M. G. Markova, E. V. Kirillova, O. A. Trusov, K. A. Chernobrovin, and V. A. Boldinov. "Evaluation of the reactivation efficiency of hydrotreating catalysts." World of petroleum products 03 (2023): 35–42. http://dx.doi.org/10.32758/2782-3040-2023-0-3-35-42.

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Tests of diesel fuel hydrotreating catalysts have been carried out, which have passed the reactivation procedure according to the technology developed by JSC «all-Russian Oil Refining Research institute». The efficiency of the reactivation technology was evaluated of catalysts for hydrotreating diesel fuels and vacuum gas oil. Based on a comprehensive analysis of the physico-chemical and catalytic properties of regenerated, reactivated and fresh hydrotreating catalysts, the dynamics of changes in the operating characteristics of catalysts is investigated. The results obtained at the pilot plan

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14

Korovnikova, Natalia, Volodymyr Oliinik, and Oleksandr Dubyna. "Research of Pyrophoric Compounds in Order to Reduce their Hazard." Materials Science Forum 1038 (July 13, 2021): 454–59. http://dx.doi.org/10.4028/www.scientific.net/msf.1038.454.

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The constantly growing content of sulfur compounds and the increased water content in the extracted oil enhances the aggressiveness of the environments in which the technological equipment of oil depots and pipelines operates, resulting in a higher number of emergencies in the equipment of oil refineries. Thus, one of the most urgent problems is the corrosion damage to oil storage equipment and the associated consequences of flammable pyrophoric compounds formation. Finely dispersed flammable sulfides with organic impurities are formed in the equipment of the diesel fuel distillate hydrotreati

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15

Tuktin, Balga, Galymzhan Saidilda, Saule Nurzhanova, and Yerdos Ongarbayev. "Hydroprocessing of Gasoline on Modified Alumina Catalysts." Catalysts 14, no. 7 (2024): 404. http://dx.doi.org/10.3390/catal14070404.

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The hydroprocessing of gasoline on modified alumina catalysts makes it possible to obtain high-octane products. The implementation and development of the process have largely become possible due to the development of modified alumina catalysts that do not contain noble metals and exhibit special catalytic properties. This article discusses topical issues of petrochemistry, namely the creation of catalysts with improved characteristics for the production of high-octane gasoline with low sulfur content. New catalytic systems based on alumina and other carriers modified with transition metals, la

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16

Muhsin, Wissam, and Jie Zhang. "Multi-Objective Optimization of a Crude Oil Hydrotreating Process with a Crude Distillation Unit Based on Bootstrap Aggregated Neural Network Models." Processes 10, no. 8 (2022): 1438. http://dx.doi.org/10.3390/pr10081438.

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This paper presents the multi-objective optimization of a crude oil hydrotreating (HDT) process with a crude atmospheric distillation unit using data-driven models based on bootstrap aggregated neural networks. Hydrotreating of the whole crude oil has economic benefit compared to the conventional hydrotreating of individual oil products. In order to overcome the difficulty in developing accurate mechanistic models and the computational burden of utilizing such models in optimization, bootstrap aggregated neural networks are utilized to develop reliable data-driven models for this process. Reli

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17

Liao, K., Y. Cong, and X. Wang. "Coking Diesel by FS Non-hydrotreating Process." Petroleum Science and Technology 27, no. 2 (2009): 158–67. http://dx.doi.org/10.1080/10916460701700245.

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18

Escalona, N., M. Vrinat, D. Laurenti, and F. J. Gil Llambías. "Rhenium sulfide in hydrotreating." Applied Catalysis A: General 322 (April 16, 2007): 113–20. http://dx.doi.org/10.1016/j.apcata.2007.01.019.

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19

Wang, Yalin, Dandan Shang, Xiaofeng Yuan, Yongfei Xue, and Jiazhou Sun. "Modeling and Simulation of Reaction and Fractionation Systems for the Industrial Residue Hydrotreating Process." Processes 8, no. 1 (2019): 32. http://dx.doi.org/10.3390/pr8010032.

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The residue hydrotreating process plays a significant role in the petroleum refining industry. In this process, modeling and simulation have critical importance for process development, control, and optimization. However, there is a lack of relevant reports of plant scale due to complexity in characterizing feedstock and determining reaction mechanisms. In this paper, reaction and fractionation models are constructed and simulated for a real-life industrial residue hydrotreating process based on Aspen HYSYS/Refining. Considering the heavier and inferior residue, analytical characterization is

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20

Samoilov, Naum A. "Mathematical modeling of the process of hydrotreating diesel fuel from organosulfur impurities." Journal of AppliedMath 3, no. 3 (2025): 2837. https://doi.org/10.59400/jam2837.

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Hydrotreating of diesel fuel is a major catalytic process for motor fuel production. This process aims to reduce the organosulfur content in the fuel to 10 parts per million (ppm) in order to meet environmental standards. However, this deep purification of diesel fuel requires the use of an expensive catalyst at hydrotreating plants, which have giant reactors with a capacity of 200–600 cubic meters. Such a volume of reactors is associated with the use of methods of classical kinetics of chemical reactions, when all the raw materials of the process are in the reactor until the required conversi

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21

Zhang, Xuesong, and Hanwu Lei. "Synthesis of high-density jet fuel from plastics via catalytically integral processes." RSC Advances 6, no. 8 (2016): 6154–63. http://dx.doi.org/10.1039/c5ra25327f.

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22

Zaripova, Viktoriya Madiyarovna, Irina Yurievna Petrova, and Shamsutdin Kadievich Sheikhgasanov. "Virtual sensors in automated control systems for the diesel fraction hydrotreating process." Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics 2024, no. 2 (2024): 21–28. http://dx.doi.org/10.24143/2072-9502-2024-2-21-28.

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Petrochemical plants are equipped with many instruments and a large number of sensors that collect measurement data to control and monitor the process. At the same time, researchers began using large amounts of data to build predictive models, which they called virtual sensors. The article is devoted to the analysis of the use of virtual sensors within the framework of the hydrotreating process of diesel fractions. A classification of virtual sensors developed by the authors is presented, which helps to identify and select tools for monitoring, which helps to increase the accuracy, flexibility

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23

Ma, Qing Yuan, Xu Zang, and Da Li Lin. "Energy-saving Optimization of Crude Benzol Pretreating in Hydrotreating Process." Advanced Materials Research 233-235 (May 2011): 1270–74. http://dx.doi.org/10.4028/www.scientific.net/amr.233-235.1270.

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The article mainly analyses energy consumption in raw material pretreatment craft question of crude benzol hydrotreating process, with available energy analytic method. By calculating the available energy of heat exchangers and evaporators of K-K process, find the energy consumption situation during crude benzene refinement production, and then give some suggestions in Energy-saving Optimization measure.

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24

Bahram Ismayilov, Lachin Jafarli, Bahram Ismayilov, Lachin Jafarli. "REACTOR SECTION PRESSURE CONTROL AT DIESEL HYDROTREATING UNIT." PAHTEI-Procedings of Azerbaijan High Technical Educational Institutions 38, no. 03 (2024): 127–36. http://dx.doi.org/10.36962/pahtei38032024-127.

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Diesel Hydrotreating Units (DHUs) are essential components within petroleum refineries, playing a critical role in the production of clean and high-quality diesel fuel. This abstract provides a comprehensive overview of the mechanisms, necessity, and operational significance of DHUs in the refining process. Firstly, the abstract discusses the fundamental principles underlying the operation of DHUs. The catalytic hydrotreating process is elucidated, highlighting the role of hydrogenation reactions in the removal of sulfur, nitrogen, and aromatic compounds from diesel feedstocks. The synergy bet

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25

Wang, Hui, Kyle Rogers, Haiping Zhang, et al. "The Effects of Catalyst Support and Temperature on the Hydrotreating of Waste Cooking Oil (WCO) over CoMo Sulfided Catalysts." Catalysts 9, no. 8 (2019): 689. http://dx.doi.org/10.3390/catal9080689.

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Waste cooking oil (WCO) hydrotreating to produce green diesel is good for both the environmental protection and energy recovery problems. The roles of catalyst support and reaction temperature on reactions during WCO hydrotreating process were evaluated over an unsupported and a commercial sulfided cobalt and molybdenum (CoMoS) catalyst supported by a mixture of Al2O3, TiO2, and SiO2. The presence of catalyst support helped to improve the dispersion and enlarge the surface area of CoMoS, and was found to be a key factor in reducing reaction temperature, in enhancing the hydrodeoxygenation (HDO

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26

Yakupov, Marat M., Ratmir R. Akhmadiyarov, Marat N. Rakhimov, and Farhad Sh Vildanov. "HYDROCARBON COMPOSITION AND HEATING VALUE OF CATALYTIC CRACKING GASOLINES." Oil and Gas Business, no. 6 (December 17, 2024): 112–34. https://doi.org/10.17122/ogbus-2024-6-112-134.

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The article presents the results of the study of the hydrocarbon composition and calorific value of typical gasoline fractions of fluid catalytic cracking units in a fluidized bed of a catalyst.The composition of catalytic cracking gasoline was found to contain 414 hydrocarbons, including a number of polycyclic aromatic hydrocarbons with boiling points significantly exceeding the end boiling point of gasoline. As a result of hydrotreating the heavy part of gasoline, the total content of olefins calculated for the entire gasoline decreases by only 4.2% by weight, and their total content in gaso

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27

Wang, Yanfei, Yalin Zhang, Bin Xie, Jingjing Wang, and Yinglong Yu. "Insights into the High Activity of Hydrotreating Catalysts for Heavy Gas Oil." Catalysts 15, no. 1 (2025): 90. https://doi.org/10.3390/catal15010090.

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The objective of this work was to develop a highly active hydrotreating catalyst for processing heavy gas oil to provide qualified feedstock for hydroisomerization or a hydrocracking unit. The NiMo/γ-Al2O3 catalysts doped with phosphate were prepared by introducing two kinds of additives, and the influencing factors for highly active hydrodenitrogenation (HDN) were revealed. TEM analysis results showed that the catalyst with a small MoS2 stack length tended to have high activity due to more active sites being exposed. Laser Raman spectroscopy demonstrated that the catalysts contained PMo12O403

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28

Brémaud, M., L. Vivier, G. Pérot, V. Harlé, and C. Bouchy. "Hydrogenation of olefins over hydrotreating catalysts." Applied Catalysis A: General 289, no. 1 (2005): 44–50. http://dx.doi.org/10.1016/j.apcata.2005.04.014.

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29

Hafied, M. "Theoretical Study of Hydrotreating Process in Small Heterocyclic Rings." Asian Journal of Chemistry 28, no. 2 (2016): 355–58. http://dx.doi.org/10.14233/ajchem.2016.19328.

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30

Kumar, V. Ramesh, K. S. Balaraman, V. S. Ramacnandra Rao, and M. S. Ananth. "MODELLING OF HYDROTREATING PROCESS IN A TRICKLE-BED REACTOR." Petroleum Science and Technology 15, no. 3-4 (1997): 283–95. http://dx.doi.org/10.1080/10916469708949657.

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31

Triyono, Triyono, Wega Trisunaryanti, Yessi Wydia Putri, Dyah Ayu Fatmawati та Uswatul Chasanah. "Modification of Mordenite Characters by H2C2O4 and/or NaOH Treatments and Its Catalytic Activity Test in Hydrotreating of Pyrolyzed α-Cellulose". Bulletin of Chemical Reaction Engineering & Catalysis 16, № 1 (2021): 9–21. http://dx.doi.org/10.9767/bcrec.16.1.9476.9-21.

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The research about modification of mordenite characteristics has been performed by H2C2O4 and/or NaOH treatments and catalytic activity tests in hydrotreating of pyrolyzed a-cellulose. Commercial mordenite (HSZ-604OA) as mordenite control (HM) immersed in 0.05, 0.5, and 1.0 M H2C2O4 at 70 °C for three hours resulting in HM-0.05, HM-0.5, and HM-1. The four mordenites were immersed in 0.1 M NaOH for 15 minutes resulting in BHM, BHM-0.05, BHM-0.5, and BHM-1. The catalysts obtained were analyzed by XRD, SAA, ICP, and acidity test. The catalytic activity of the mordenites was evaluated in hydrotrea

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32

Afanasiev, Pavel, and Igor Bezverkhyy. "Ternary transition metals sulfides in hydrotreating catalysis." Applied Catalysis A: General 322 (April 16, 2007): 129–41. http://dx.doi.org/10.1016/j.apcata.2007.01.015.

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33

Nan-ni, Xiong, Li Zheng, and Wang Peng. "Optimization of Process Conditions for Hydrotreating Biodiesel from Gutter Oil." IOP Conference Series: Earth and Environmental Science 267 (June 8, 2019): 022036. http://dx.doi.org/10.1088/1755-1315/267/2/022036.

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34

Selakovic, O. V., and M. R. Jovanovic. "Comparative investigations of hydrotreating catalysts in laboratory and process conditions." Catalysis Today 65, no. 2-4 (2001): 331–34. http://dx.doi.org/10.1016/s0920-5861(00)00555-1.

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35

Pivovarova, N. A., S. N. Khadzhiev, and Yu M. Zhorov. "Effectiveness of different process conditions in hydrotreating cat cracker feed." Chemistry and Technology of Fuels and Oils 23, no. 4 (1987): 183–86. http://dx.doi.org/10.1007/bf00731820.

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36

Du, Zengzhi, Chunxi Li, Wei Sun, and Jianhong Wang. "A simulation of diesel hydrotreating process with real component method." Chinese Journal of Chemical Engineering 23, no. 5 (2015): 780–88. http://dx.doi.org/10.1016/j.cjche.2014.05.021.

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37

Natig Abbasov, Araz Mesimov, Natig Abbasov, Araz Mesimov. "MODELING AND OPTIMIZATION OF THE PROCESS HYDROTREATING OF DIESEL FUEL." ETM - Equipment, Technologies, Materials 19, no. 01 (2024): 112–16. http://dx.doi.org/10.36962/etm19012024-112.

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Various technological processes are applied in the field of modern oil refining. Each of the processes in turn is implemented by many technological schemes and methods. These technological processes form the basis of many simple processes in oil refining and chemical production. In this way, learning processes are facilitated. They process oil and its products using various processes. This article describes the process of refining of the diesel fraction in a circulating medium comprising hydrogen gas at high pressure and temperature, to remove organosulfur compounds. Keywords: diesel fuel, hyd

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38

García-Dávila, J., E. Ocaranza-Sanchez, C. Sánchez, and A. L. Martínez-Ayala. "Catalytic Activity of a Bifunctional Catalyst for Hydrotreatment of Jatropha curcas L. Seed Oil." Journal of Spectroscopy 2018 (2018): 1–7. http://dx.doi.org/10.1155/2018/5326456.

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The hydrotreating process of vegetable oils (HPVO) involves the transformation of vegetable oil triglycerides into straight chain alkanes, which are carried out by deoxygenation reactions, generating multiple hydrocarbon compounds, cuts similar to heavy vacuum oil. The HPVO is applied to Jatropha curcas oil on USY zeolite supported with gamma alumina and platinum deposition on the catalytic as hydrogenation component. The acid of additional activity of the supports allows the development of catalytic routes that the intervention of catalytic centers of different nature reaches the desired prod

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39

Mohammed, Abdul Halim A. K., Hussaiin K. Hussaiin, and Tariiq M. Naiieff. "PRODUCTION OF GRAPHITE ELECTRODES BINDER FROM IRAQI ASPHALT." Journal of Engineering 12, no. 01 (2006): 219–26. http://dx.doi.org/10.31026/j.eng.2006.01.16.

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Basrah crude oil Vacuum residue 773+ K with specific gravity 1.107 and 4.87wt. % sulfur, wastreated with hexane commercial fraction provided from Al-Taji Gas Company for preparingdeasphaltened oil(DAO)suitable for hydrotreating process.Deasphaltening was carried out with 1h mixing time, 10ml:1g solvent to oil ratio and at roomtemperature. Hexane deasphaltened oil was hydrotreated on presulfied commercial Co-Mo/ 2 3 g − Al O catalyst in a trickle bed reactor. The hydrotreating process was carried out at temperature 660 K,LHSV 1.3h –1, H2/oil ratio 300 l/l and constant pressure of 4MPa. The hydr

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40

Petrova, Daria, Valentina Lyubimenko, Evgenii Ivanov, Pavel Gushchin, and Ivan Kolesnikov. "Energy Basics of Catalytic Hydrodesulfurization of Diesel Fuels." Catalysts 12, no. 11 (2022): 1301. http://dx.doi.org/10.3390/catal12111301.

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Currently, Euro 5 (no more than 10 ppm sulfur content) and Euro 6 (less than 10 ppm sulfur content) diesel motor fuels are produced worldwide. High-quality diesel fuels are produced by removing sulfur compounds using a hydrodesulfurization process. This article is devoted to the study of hydrodesulfurization of diesel fuel containing 120 ppm of sulfur compounds in the presence of an Al-Ni-Mo-O catalyst with a 98% diesel fuel purification rate. According to the Langmuir–Hinshelwood–Panchenkov theory, a kinetic model of the process is developed with the calculation of the theoretical change in t

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41

TUKTIN, B. T., A. S. TENIZBAEVA, G. T. SEIDILDA, and D. E. SHOGANBEK. "HYDROTREATMENT OF DIESEL FRACTIONS ON A MODIFIED ALUMINUM-NICKEL-MOLYBDENUM CATALYST KGO-12." Neft i gaz 1, no. 121 (2020): 86–94. http://dx.doi.org/10.37878/2708-0080/2021-1.07.

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The paper presents the results of the study of hydrotreatment of hexane, decane and diesel oil fractions on a new aluminum oxide zeolite-containing catalyst KGO – 12, modified with metals with variable valence, phosphorus and lanthanum additives. The hydrotreatment process was studied in a high-pressure flow unit with a stationary catalyst bed at temperatures of 320 – 400° C, a pressure of 4.0 MPa, and a volumetric feed rate of 2 h-1. After hydrotreating the diesel fraction of oil on the KGO – 12 catalyst at 400° C, the sulfur content in the catalysate decreases from 0.141 to 0.0092%, and the

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42

Jarallah, Aysar T., and Shaemaa A. Hameed. "Deashaltening and Hydrodesulphurization of Jumboor Vacuum Residue." Tikrit Journal of Engineering Sciences 14, no. 3 (2007): 61–82. http://dx.doi.org/10.25130/tjes.14.3.10.

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Vacuum residue of Jumboor crude oil above 773 K of specific gravity 1.105 and 6. I wt% sulfur , was treated with commercial pentane &hexane fractions for preparing deasphaltened oil (DAO) suitable for hydrodesulphurization process. Solvent deasphaltening was examined with mixing time 0.25 to 4 h and solvent to oil ratio 4 to 15 ml : 1g at different temperatures . The asphaltenes yield was decreased with increasing mixing time and increased with increasing solvent to oil ratio . Hexane deasphaltened oil hydrotreated on presulfided commercial cobalt-molybdenum alumina catalyst at specified o

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Rianto, Adam Kusuma, Agus Prasetya, and Muhammad Mufti Azis. "Effect of Decoking Pretreatment on Catalyst Rejuvenation Using Glycerol and Mono Ethylene Glycol (MEG)." Key Engineering Materials 920 (May 16, 2022): 153–58. http://dx.doi.org/10.4028/p-f6nsdd.

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Hydrotreating process is one of the crucial processes in petroleum refinery to remove sulfur with the aid of catalyst. By the end of hydrotreating life cycle, the catalyst contaminated by silicon cannot be reused or regenerated and have to be sent to final disposal. The previous study reported that glycerol was able to selectively remove silic on from industrial spent catalysts using severe operating conditions. However, the treatment used did not consider carbon/ coke removal steps. The present work focuses on investigating the effect of decoking pretreatment on silicon removal process using

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Palanisamy, Shanmugam, and Börje S. Gevert. "Hydrodeoxygenation of fatty acid methyl ester in gas oil blend–NiMoS/alumina catalyst." Green Processing and Synthesis 7, no. 3 (2018): 260–67. http://dx.doi.org/10.1515/gps-2016-0117.

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Abstract Hydrotreating of 10% fatty acid methyl ester (FAME) blended in gas oil was carried out by an NiMo-S/alumina catalyst and performed at an elevated temperature (300–400°C), a space velocity of 0.7–1.5 1/h and pressure 5 MPa. The gas oil was a straight run North Sea crude oil containing 295 ppm sulfur content which was desulfurized in a hydrotreating upgrading process. The physicochemical properties following hydroprocessing of FAME showed that sulfur content was reduced to 3 ppmw, with an increase in aromatic content and cloud point. It was confirmed that decarboxylation depends on temp

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MORIMURA, Yasuo, Shin-ichi NAKATA, Yoshikazu YOKOTA, et al. "Studies on Catalytic Hydrotreating of Recycled Solvents from Coal Liquefaction Process(Part 1) Characteristic Changes of Recycled Solvents during Hydrotreating." Journal of The Japan Petroleum Institute 38, no. 4 (1995): 221–28. http://dx.doi.org/10.1627/jpi1958.38.221.

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Høj, Martin, Kasper Linde, Thomas Klint Hansen, Michael Brorson, Anker Degn Jensen, and Jan-Dierk Grunwaldt. "Flame spray synthesis of CoMo/Al2O3 hydrotreating catalysts." Applied Catalysis A: General 397, no. 1-2 (2011): 201–8. http://dx.doi.org/10.1016/j.apcata.2011.02.034.

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De Los Reyes, José Antonio. "Ruthenium sulfide supported on alumina as hydrotreating catalyst." Applied Catalysis A: General 322 (April 16, 2007): 106–12. http://dx.doi.org/10.1016/j.apcata.2007.01.004.

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Devers, E., C. Geantet, P. Afanasiev, M. Vrinat, M. Aouine, and J. L. Zotin. "Bimetallic PtPd on zirconia catalysts for hydrotreating purposes." Applied Catalysis A: General 322 (April 16, 2007): 172–77. http://dx.doi.org/10.1016/j.apcata.2007.01.012.

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Sabarman, J. S., E. H. Legowo, D. I. Widiputri, and A. R. Siregar. "Bioavtur Synthesis from Palm Fatty Acid Distillate through Hydrotreating and Hydrocracking Processes." Indonesian Journal of Energy 2, no. 2 (2019): 99–110. http://dx.doi.org/10.33116/ije.v2i2.40.

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Increasing concern in fossil fuel depletion and CO2 emissions create an urgent need for biofuel substitution. Bio-jet fuel is a possible alternative for conventional jet fuels which currently accounts for 2% of the world’s CO2 emission. Palm Fatty Acid Distillate (PFAD) is the byproduct of palm oil refinery process, which has a potential to become a promising raw material for the synthesis of bioavtur due to its high free fatty acid content. The oil-to-jet pathway is a possible route to produce bioavtur from PFAD, which includes hydrotreating, hydrocracking, and hydroisomerization processes. T

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Samoilov, Naum. "The specifics of mathematical modeling complex multicomponent chemical processes." Industrial processes and technologies 1, no. 1 (2021): 37–52. http://dx.doi.org/10.37816/2713-0789-2021-1-1-37-52.

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A critical analysis of the problem of identifying raw materials for hydrotreating diesel fuel by organosulphuric components and quantifying the value of the rate constant of the hydrodesulphurization reaction is presented. It is proposed to describe the raw material as a set of narrow fractions, in each of which the content of various organosulphuric components is considered as a single pseudo-component. The prospects of separate hydrotreatment of diesel fuel pre - fractionated into wide easily and hardly hydrogenated fractions are confirmed, which allows reducing the loading of the catalyst i

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