scholarly journals Virtual Soft Sensor of the Feedstock Composition of the Catalytic Reforming Unit

Symmetry ◽  
2021 ◽  
Vol 13 (7) ◽  
pp. 1233
Author(s):  
Natalia Koteleva ◽  
Ilya Tkachev
Keyword(s):  
Group Composition ◽  
Fractional Composition ◽  
Hydrocarbon Composition ◽  
Gasoline Fraction ◽  
Soft Sensor ◽  
Oil Refinery ◽  
Hydrocarbon Mixture ◽  
Catalytic Reforming ◽  
The Individual ◽  
Individual Composition

The paper discusses a method for obtaining a matrix of individual and group composition of a hydrotreated heavy gasoline fraction in industrial conditions based on the fractional composition obtained by the distillation method according to the ASTM D86 (the Russian analogue of such a standard is GOST 2177). A method for bounds estimation of the retention index (RI) change is considered on the basis of the symmetry of the RI change range relative to its arithmetic mean. Implementation of this method is performed by simulation of individual composition of C6–C12 feedstock of the catalytic reforming unit in the software package. For this purpose, the boiling curve of individual composition of hydrocarbon mixture is converted into the corresponding curve of fractional composition. The presented technique of creating a virtual soft sensor makes it possible to establish a correct relationship between the fractional composition and the individual hydrocarbon composition obtained according to the IFP 9301 (GOST R 52714) (Russian GOST R 52714 and international IFP 9301 standards for the determination of individual and group composition of hydrocarbon mixtures by capillary gas chromatography). The virtual soft sensor is based on chemical and mathematical principles. The application of this technique on the data of a real oil refinery is shown. Obtaining accurate data by means of a virtual soft sensor on the individual composition of feedstock will make it possible to optimize the catalytic reforming process and thus indirectly improve its environmental friendliness and enrichment efficiency.

scholarly journals Increasing the Yield of Light Distillates by Wave Action on Oil Raw Materials

2021 ◽  
Vol 23 (2) ◽  
pp. 125
Author(s):  
N.K. Zhakirova ◽  
R.Kh. Salakhov ◽  
L.R. Sassykova ◽  
R.F. Khamidullin ◽  
T.R. Deberdeev ◽  
...  
Keyword(s):  
Raw Materials ◽  
Hydrocarbon Composition ◽  
Gasoline Fraction ◽  
Wave Action ◽  
Field Zone ◽  
Cavitation Effect ◽  
Commercial Gasoline ◽  
Low Temperature Cracking ◽  
The Individual ◽  
High Octane

The article presents the results of the electromagnetic activation of petroleum feed in the vortex layer apparatus. It is shown that under the electromagnetic influence, there is a significant increase in the proportion of straight-run gasoline fraction distillate, as well as a change in the physicochemical parameters of the light fractions obtained as a result of the cavitation effect and the low-temperature cracking. It has been established that the processes of wave action on oil occurring in the electromagnetic field zone lead to a change in the individual and group hydrocarbon composition of the distillates obtained. The gasoline fraction produced from activated petroleum, due to an increase in the proportion of aromatic compounds, has a high octane number compared to the original straight-run fraction and low content of alkenes, which allows us to recommend its use as a high-octane component of motor fuels in the compounding and production of commercial gasoline.

scholarly journals CATALYTIC REFORMING OF GASOLINE FRACTION OIL MIXTURES OF THE SOUTHERN REGION OF THE REPUBLIC OF KAZAKHSTAN

Neft i gaz ◽  
2020 ◽  
Vol 2 (116) ◽  
pp. 100-108
Author(s):  
Ye.К. KALDYGOZOV ◽  
◽  
V.M. KAPUSTIN ◽  
G. M. IZTLEUOV ◽  
B.A. ABDIKERIMOV ◽  
...  
Keyword(s):  
Reaction Mechanism ◽  
Oil And Gas ◽  
Motor Fuel ◽  
Hydrocarbon Composition ◽  
Gasoline Fraction ◽  
Southern Region ◽  
Degree Of Conversion ◽  
Catalytic Reforming ◽  
Individual Hydrocarbon ◽  
Group Hydrocarbon

This article discusses the results of a study of the process of catalytic reforming of straight-run gasoline obtained from a mixture of oil from a field located in the southern region of Kazakhstan. The individual and group hydrocarbon composition of the initial hydrotreated gasoline and reformate was studied in order to establish the degree of conversion of hydrocarbons at different stages of catalytic reforming. The qualitative characteristics of the catalysis of gasoline reforming obtained at different stages of the process allows us to establish the chemistry and reaction mechanism and the laws of the chemical degree of conversion of individual hydrocarbon groups during all stages of catalytic reforming. As a result of studying the process of catalytic reforming of straight-run gasoline fractions НЕФТЕХИМИЯ НЕФТЬ И ГАЗ 2020. 2 (116) 103 О 2 (85–180°С), a chemistry and a reaction mechanism are established that are based on the following reactions: dehydrocyclization of paraffin hydrocarbons, dehydrogenation and dehydroisomerization of naphthenic, isomerization of naphthenic and paraffin hydrocarbons. Comparison of the physicochemical properties and group hydrocarbon composition of the hydrogenate and reforming products shows that the amount of n-paraffin and naphthenic hydrocarbons after catalytic reforming is reduced by 3–4times than in the originalgasoline, and the concentration of aromatic hydrocarbons is significantly increased due to the cyclane dehydrogenation reaction and dehydrocyclization of normal paraffins. Set forth in article information on changing the group and individual hydrocarbon composition of gasoline in various stages of the catalytic reforming process, can serve as a basis for optimal control of technological process of catalytic reforming and is a priority in the production of highquality grades of motor fuel and petrochemical development in the processing of local oil and gas Republic of Kazakhstan.

scholarly journals CRYSTALLINE AND HETEROCYCLYC AROMATIC COMPOUNDS IN GEORGIAN PETROLEUM

World Science ◽  
2021 ◽  
Author(s):  
Natela Khetsuriani ◽  
Vladimer Tsitsishvili ◽  
Elza Topuria ◽  
Irina Mchedlishvili ◽  
Zaza Molodinashvili
Keyword(s):  
Polycyclic Aromatic Hydrocarbons ◽  
Aromatic Hydrocarbons ◽  
Aromatic Compounds ◽  
High Intensity ◽  
Oil Wells ◽  
Automated System ◽  
Polycyclic Aromatic ◽  
The Individual ◽  
First Time ◽  
Individual Composition

The individual composition of polycyclic aromatic hydrocarbons has been studied in high boiling (340–590°) fractions of Norio oil (wells 200, 201) which are characterized by high content of aromatic hydrocarbons and high intensity fluorescence. The eluates obtained by adsorption fractionation of aromatic hydrocarbons separated by aniline and concentrates of their crystalline components have been studied by GC, MS and GC-MS methods. For analysis of the obtained data an automated system of mass deconvolution and identification (AMDIS) was used. In the eluates under investigation the following structures were identified: indenes, tetralines, dinaphtilbenzenes, naphthalenes, fluorenes, phenantrenes, antracenes, mono- and polyalkyl derivatives ofnaphtofluorene and phenantrene, and terpeniles. In crystal samples of the eluates the banzantracene, chrizene, their methyl-, dimethyl and trymethylanaloges, phenantrene derivatives, antracenes and pyrenes were identified. The heterocyclic analogues of polycyclic aromatic hydrocarbons likemethylbenzoanthracenes, benzonaphthothiophenes, benzocarbazoles and dibenzthiophene were identified in Georgian oils for the first time.

Determination of the individual hydrocarbon composition of gasolines of tartary petroleums

1961 ◽  
Vol 10 (11) ◽  
pp. 1922-1923
Author(s):  
F. A. Urmancheev ◽  
B. Le. R. G. Bukharaeva ◽  
I. A. Lamanova ◽  
I. P. Lipatova
Keyword(s):  
Hydrocarbon Composition ◽  
Individual Hydrocarbon ◽  
The Individual
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