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Production of alkylsalicyl acids by carboxylation of alkylphenols 烷基酚羧基化法制备烷基水杨酸
Pub Date : 2022-01-01 DOI: 10.32758/2782-3040-2022-0-5-38-40
N. S. Baklan, S. Kotov, B. Smirnov
An important stage in the industrial process for obtaining salicylate additives for oils and fuels is the synthesis of alkylsalicylic acids from alkylphenols, which is based on the addition reaction of carbon dioxide CO2 to organic substances with the formation of a carboxyl group - COOH (Kolbe-Schmitt reac-tion). This work is devoted to optimizing this stage of the process in terms of increasing the rate of the main reaction while achieving the maximum equilibrium yield of alkylsalicylic acid. As a result of the ex-perimental studies carried out, the process conditions appropriate in this respect for alkyl (C16-C18) phenols were determined. At present, the parameters established in this way have been proposed to produce alkyl salicylate additives at LLC Novokuibyshevsk Plant of Oils and Additives of Rosneft Oil Company, where they form the basis of the current technological regulations.
石油和燃料用水杨酸盐添加剂的工业生产过程的一个重要阶段是烷基酚合成烷基水杨酸,这是基于二氧化碳CO2与有机物的加成反应,形成羧基- COOH (Kolbe-Schmitt反应)。本工作致力于优化这一阶段的工艺,在提高主反应速率的同时实现烷基水杨酸的最大平衡产率。通过实验研究,确定了烷基(C16-C18)酚在这方面的适宜工艺条件。目前,以这种方式建立的参数已在俄罗斯石油公司新古比舍夫斯克有限责任公司石油和添加剂厂提出用于生产水杨酸烷基酯添加剂,它们构成了现行技术法规的基础。
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引用次数: 0
Two-stroke gasoline engine lubricants 二冲程汽油发动机润滑油
Pub Date : 2022-01-01 DOI: 10.32758/2782-3040-2022-0-1-48-58
A. Ivanov, D. A. Man’shev, S. A. Kriushin
The article considers the design and lubrication of small 2-stroke engines installed on snowmobiles, quad bikes, motorcycles and drones. The compositions of the 2-stroke engine oils, base oils and additives, actual specification JASO, NMMA, API, TISI and ISO are analysed. Concern the short characteristics of JASO engine test methods.
本文研究了安装在雪地车、四轮摩托车、摩托车和无人机上的小型二冲程发动机的设计和润滑。分析了二冲程发动机油、基础油和添加剂的组成、实际规格JASO、NMMA、API、TISI和ISO。关注JASO发动机短特性的试验方法。
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引用次数: 0
Comparison of fire-resistant oils analysis methods performed by various oil laboratories 各油品实验室耐火油分析方法的比较
Pub Date : 2022-01-01 DOI: 10.32758/2782-3040-2022-0-5-62-68
A. Okhlopkov, K. A. Orlov
The article presents a comparison of methods for analyzing fire-resistant oils carried out in the following companies: the central chemical laboratory of energy company No. 1, the Teplotekhnik testing center of OAO VTI, the laboratory of CHPP-A of energy company No. 1, the laboratory of CHPP-B of energy company No. 1, the TPP-B and TPP-G laboratories, central chemical laboratory of the energy company No. 3, testing laboratory of MITs GSM LLC. Methods for determining the deaeration time, foam formation, varnish formation potential, acid number, demulsification time, kinematic viscosity, content of water-soluble acids and alkalis, corrosion on steel plates, mass fraction of dissolved sludge, flash point in an open crucible, industrial purity class, water content, pH of water extract, water according to KF, mass fraction of mechanical impurities.
本文介绍了以下公司进行的耐火油分析方法的比较:能源第一公司中心化学实验室、OAO VTI Teplotekhnik测试中心、能源第一公司CHPP-A实验室、能源第一公司CHPP-B实验室、能源第三公司中心化学实验室、TPP-B和TPP-G实验室、MITs GSM LLC测试实验室。除氧时间、泡沫形成、清油形成势、酸值、破乳时间、运动粘度的测定方法。水溶性酸和碱的含量,对钢板的腐蚀,溶解污泥的质量分数,开放坩埚中的闪点,工业纯度等级,含水量,水提取物的pH值,水按KF,机械杂质的质量分数。
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引用次数: 1
Overview of domestic developments in the field of anti-wear additives for diesel fuels with low sulfur content 国内低硫柴油抗磨添加剂研究进展综述
Pub Date : 2022-01-01 DOI: 10.32758/2782-3040-2022-0-1-06-16
A. Govorin, N. Konovalov, N. D. Gubanov, O. V. Rybarchuk, D.A. Dubrovskij, I. Kuzora
The analysis of the production volumes of diesel fuel with a low sulfur content in Russia is carried out. The need of diesel fuel manufacturers for anti-wear additives has been determined, taking into account the forecast of the Ministry of Economic Development until 2030. The domestic patents for anti-wear additives for diesel fuel are considered in detail and the best indicators of lubricity for each invention are given. The analysis of the dynamics of registration of domestic inventions on the method of obtaining anti-wear additives for the period from 2005 to 2020 is carried out. The article also shows the dependence of the lubricating ability of diesel fuels on the concentration of an anti-wear additive in the fuel and its composition. This review can be used by scientific and project groups when formulating a research hypothesis or for conducting a patent search. The article will be useful when preparing an application for intellectual property protection in this direction. In addition, the results of the review can be used in the formation of a feasibility study of an investment project and in the study of the domestic market of anti-wear additives for diesel fuel hydrotreating.
对俄罗斯低硫含量柴油的产量进行了分析。考虑到经济发展部到2030年的预测,已经确定了柴油制造商对抗磨添加剂的需求。详细分析了国内有关柴油抗磨添加剂的专利,并给出了每项发明的最佳润滑指标。对2005 - 2020年国内减磨添加剂获取方法的发明注册动态进行了分析。本文还说明了柴油的润滑性能与燃料中抗磨添加剂的浓度及其组成的关系。在制定研究假设或进行专利检索时,科学和项目小组可以使用这种审查。在准备这方面的知识产权保护申请时,本文将非常有用。此外,审查结果可用于形成投资项目的可行性研究和研究柴油加氢处理抗磨添加剂的国内市场。
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引用次数: 0
Status and possible prospects for the development of the domestic methodology for testing and evaluating motor oils 国内机油试验评价方法的发展现状及可能的前景
Pub Date : 2022-01-01 DOI: 10.32758/2782-3040-2022-0-4-50-52
V. L. Lashkhi, A. L. Chudinovskikh, D. Boykov
Before being used in internal combustion engines, motor oils are evaluated and tested according to generally recognized criteria and parameters. The article considers the evolution and trends in the general aspects of the assessment of motor oils for automotive vehicles in the Russian Federation.
在内燃机中使用机油之前,要根据公认的标准和参数对机油进行评估和测试。本文考虑了俄罗斯联邦汽车用机油评估的一般方面的演变和趋势。
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引用次数: 0
Dependence of properties of bituminous binders on composition of raw materials and conditions of oxidation 沥青粘结剂性能与原料组成及氧化条件的关系
Pub Date : 2022-01-01 DOI: 10.32758/2782-3040-2022-0-1-40-47
A.M. Isakov, V. Kapustin, D. Nebratenko, S. Stupak
Bitumen is a complex and specific in its composition organic materials, the physicomechanical, chemical, adhesive and other properties of which significantly depend on their group composition and the ratio of hydrocarbon fractions included in them. These properties, in turn, are directly related to the composition of the feedstock, which is determined by the level (depth) of processing of oil shoulder straps and the methods of oxidation and compounding of refined products of different levels. This work evaluates the group composition of the initial bituminous raw material and its changes during oxidation under various conditions. The study showed that the oxidation process is dominated by the processes of thermal oxidative destruction, leading to the decomposition of fractions of saturated hydrocarbons into aromatic, resinous and partially aromatic fractions into asphaltenes prone to agglomeration. The results of the study expand knowledge about the development of the potential for regulating the properties of commercial bitumen and polymer-bitumen binders based on them by varying the composition of oil strands supplied for oxidation. The data obtained were used to optimize the production processes of LLC "BITUM", Salavat, for the purpose of large-scale production of commercial bitumen and PMB. The binders produced were used in 2018-2019 for the production of asphalt concrete and polymer-asphalt concrete mixtures and the device of coatings based on them in the Volga Federal District.
沥青是一种组成复杂而特殊的有机材料,其物理、机械、化学、粘接等性能在很大程度上取决于其基团组成及其所含烃类组分的比例。这些性能反过来又与原料的组成直接相关,这是由油肩带的加工水平(深度)和不同水平的精炼产品的氧化和复合方法决定的。这项工作评估了沥青原料的初始基团组成及其在不同条件下氧化过程中的变化。研究表明,氧化过程以热氧化破坏过程为主,饱和烃馏分分解为芳烃馏分、树脂馏分和部分芳烃馏分分解为沥青质,容易发生团聚。该研究的结果扩大了对通过改变供氧化的油链的组成来调节商业沥青和基于它们的聚合物沥青粘合剂性能的潜力的认识。利用所得数据对Salavat“BITUM”有限责任公司的生产工艺进行了优化,以实现商品沥青和PMB的大规模生产。生产的粘合剂于2018-2019年在伏尔加河联邦区用于生产沥青混凝土和聚合物沥青混凝土混合物以及基于它们的涂料装置。
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引用次数: 1
Optimization of the process of phenol alkylation by isoprene cyclodimer in the presence of KU-23 catalyst at a continuous operation plant 在KU-23催化剂存在下,异戊二烯环二聚体苯酚烷基化工艺的优化
Pub Date : 2022-01-01 DOI: 10.32758/2782-3040-2022-0-4-16-21
R. Jafarov, Ch. K. Rasulov, I. I. Alekperova, Z. Z. Aghamali̇yev, A. M. Dadasheva
Determining the theoretical optimal conditions for the phenol alkylation process creates the basis for evaluating the prospects of this process as well. For the alkylation process used phenol and isoprene cyclodimers as feedstock. To determine the optimal reaction conditions for the catalytic alkylation of phenol with isoprene cyclodimers in a continuous pilot plant, the effects of temperature, molar ratio of initial reagents, and space velocity on the yield and selectivity of the target product were studied. The study was carried out in the temperature range of 80 – 1500C, the molar ratio of phenol to CDI was 0.5:1 – 2:1 and the space velocity was within 0.25 – 1.0 h-1. To develop a regression model of the process, it is necessary to identify the functional relationship between the process parameters and use it for further process prediction. Considering that the number of experiments is m=13, and the output variables are n=3, the functional relationship can be represented as a non-linear polynomial. To determine the coefficients of the equation, the S-pluse 2000 Professional program was used, which allows us to automatically calculate statistical analysis data: regression model coefficients and pair correlation coefficients, as well as quadratic effect coefficients. Applying Student's criterion, significant and insignificant coefficients of the equation were found. To test the adequacy of the model, the Fisher criterion was used, which makes it possible to prove the adequacy of the description of the response surface by regression equations. When comparing the found values of Fes of the criterion with the tabular ones at the chosen confidence probability of 95% and the numbers of degrees of freedom f1=6 and f2=2, it can be seen that the calculated values of Fes are less than Ft=19.3, and this indicates the adequacy of the description of the response surface by regression equations. Using the developed regression model on a PC, calculations were made to study the influence of each input factor on the output parameters. To solve the optimization problem, the Matlab-6.5 program was used, which contains modern algorithms for solving the linear programming problem. As a result, the solution of the optimization problem was found that at a temperature of 1400C, a ratio of components of 1:0.5 and a space velocity of 0.25 h-1, the selectivity value is 91%, while the yield of the target product reaches 69%.
确定苯酚烷基化工艺的理论最佳条件,也为评价该工艺的前景奠定了基础。烷基化工艺以苯酚和异戊二烯环二聚体为原料。为了确定苯酚与异戊二烯环二聚体催化烷基化的最佳反应条件,研究了反应温度、初始试剂摩尔比、空速对目标产物收率和选择性的影响。研究的温度范围为80 ~ 1500C,苯酚与CDI的摩尔比为0.5:1 ~ 2:1,空速为0.25 ~ 1.0 h-1。为了建立工艺的回归模型,有必要确定工艺参数之间的函数关系,并将其用于进一步的工艺预测。考虑实验次数m=13,输出变量n=3,函数关系可以表示为非线性多项式。为了确定方程的系数,我们使用S-pluse 2000 Professional程序,该程序可以自动计算统计分析数据:回归模型系数和配对相关系数,以及二次效应系数。应用学生准则,发现方程的系数有显著性和不显著性。为了检验模型的充分性,采用Fisher准则,从而可以证明回归方程对响应面描述的充分性。在选取的置信概率为95%,自由度为f1=6和f2=2的情况下,将准则的Fes的求得值与表中Fes的求得值进行比较,可以看出,Fes的计算值小于Ft=19.3,说明回归方程对响应面描述的充分性。利用所建立的回归模型在PC机上进行了计算,研究了各输入因素对输出参数的影响。为了解决优化问题,使用了Matlab-6.5程序,该程序包含了求解线性规划问题的现代算法。结果表明,在温度为1400C,组分比为1:0.5,空速为0.25 h-1的条件下,选择性值为91%,目标产物收率达到69%。
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引用次数: 0
Optimization of the process of catalytic alkylation of cyclopentadiene by cyclohexyl alcohol 环己醇催化环戊二烯烷基化工艺的优化
Pub Date : 2022-01-01 DOI: 10.32758/2782-3040-2022-0-2-11-19
A. Gasanov, R. Jafarov, I. G. Ayyubov, F. S. Qurbanova, O.M. Farzalizde
Based on the experimental data, a regression mathematical model has been developed for the process of obtaining cycloalkyl-substituted cyclopentadienes by catalytic alkylation of cyclopentadiene with cyclohexyl alcohol, reflecting the influence of the main technological factors (the ratio of the starting reagents, temperature, the amount of catalyst) on the yield of the target product. The statistical analysis of the obtained model is carried out, the adequacy of the developed model to the experimental data is proved. The optimal values of the input parameters are found, at which the maximum value of the yield of cycloalkylated cyclopentadienes is reached.
以实验数据为基础,建立了环戊二烯与环己醇催化烷基化制环烷基取代环戊二烯过程的回归数学模型,反映了主要工艺因素(起始试剂配比、温度、催化剂用量)对目标产物收率的影响。对所建立的模型进行了统计分析,证明了所建立的模型与实验数据的充分性。在此条件下,环烷基化环戊二烯的产率达到最大值。
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引用次数: 0
Industrial application of hydrogenation processes in processing of heavy residues of oil distillation by the example of TAIF-NK JSC 以TAIF-NK JSC为例,介绍了加氢工艺在石油蒸馏重质渣油处理中的工业应用
Pub Date : 2022-01-01 DOI: 10.32758/2782-3040-2022-0-4-26-34
A. K. Shigabutdinov, V. Presnyakov, R. A. Shigabutdinov, V. A. Subramanian, M. R. Idrisov, R. N. Ahunov, M. A. Novikov
This article is devoted to the experience of TAIF-NK JSC Refinery in the application of hydrogenation processes in the processing of heavy residues of oil distillation – Vacuum Residue. The complex of TAIF-NK JSC, which operates on the basis of Veba Combi Cracking (VCC) technology, is the only one in the world that allows processing of heavy residues (Vacuum Residue) obtained by primary distillation from crude oil, with maximum production of high-quality light oil products. Implementation of hydrocracking technology on the basis of VCC technology at TAIF-NK JSC ensured the achievement of oil refining depth and light product yields for 2021 - 85.1% and 80.7% respectively. The article demonstrates the retrospective dynamics of indicators of oil refining depth and light oil products draw-off from implementation of the project, the change in the food basket, as well as highlights the problems that arose in the course of implementation of the project.
介绍了TAIF-NK JSC炼油厂应用加氢工艺处理石油蒸馏重质渣油-真空渣油的经验。TAIF-NK JSC的综合设施以Veba Combi裂化(VCC)技术为基础,是世界上唯一一个允许处理原油一次蒸馏获得的重渣油(真空渣油),最大限度地生产高质量轻质油产品的设施。TAIF-NK JSC在VCC技术基础上实施加氢裂化技术,确保了2021年炼油深度和轻产品收率分别达到85.1%和80.7%。文章回顾了项目实施以来炼油深度指标、轻质油产品提取量指标的动态变化、食品篮子的变化以及项目实施过程中出现的问题。
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引用次数: 0
Kinetic approach applied to the study of tribological characteristics of sulfonate greases 应用动力学方法研究磺酸盐润滑脂的摩擦学特性
Pub Date : 2022-01-01 DOI: 10.32758/2782-3040-2022-0-3-38-43
I. Buyanovskii, S. Strelnikova, I. Tatur, A. V. Peskovets, L. Bagdasarov, V. Samusenko
It is shown that it is possible to evaluate the anti-wear properties of sulfonate greases using a temperature-kinetic method, in which the processing of experimental results allows us to obtain the values of the conditional activation energy of the process of destruction of the modified layer. A method has been developed for estimating the conditional activation energy of the wear process of the modified layer, which ensures the separation of contacting bodies during friction in the mode of boundary lubrication at high temperatures. For sulfonate greases obtained on various thickeners and dispersion media, the values of the activation energy of the process of destruction of modified layers were determined and the ratio between the activation energy value and the values of wear indicators according to GOST 9490-75 was established.
结果表明,用温度动力学方法评价磺酸脂的抗磨性能是可行的,其中对实验结果的处理使我们可以得到改性层破坏过程的条件活化能值。提出了一种估算改性层磨损过程条件活化能的方法,以保证在高温边界润滑模式下摩擦过程中接触体的分离。对于在不同增稠剂和分散介质上得到的磺酸脂,确定了改性层破坏过程的活化能值,并根据GOST 9490-75建立了活化能值与磨损指标值的比值。
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引用次数: 0
期刊
World of petroleum products
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