Features of Epoxidation of Fatty Acid Methyl Esters in a Bubble Reactor

Abstract

The patterns of epoxidation of linoleic acid methyl ester in a mixture of methyl esters of sunflower oil fatty acids with atmospheric oxygen in a bubble column reactor were studied at various feed rates of the gas phase. The results showed that the oxidation process occurred in the transition region, under diffusion control conditions. The contributions of the diffusion and kinetic components to the rate of oxidative epoxidation of fatty acid methyl esters were demonstrated. The selectivity of the epoxidation reaction decreased with the transition of the oxidation process from the diffusion region to the kinetic.

Original language	English
Pages (from-to)	704-711
Number of pages	8
Journal	Russian Journal of Applied Chemistry
Volume	93
Issue number	5
DOIs	https://doi.org/10.1134/S1070427220050110
Publication status	Published - 1 May 2020

Keywords

air oxygen
diffusion control
epoxidation
fatty acid methyl esters
hydroperoxides
mathematical model
oxidation

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)

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10.1134/S1070427220050110

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title = "Features of Epoxidation of Fatty Acid Methyl Esters in a Bubble Reactor",

abstract = "The patterns of epoxidation of linoleic acid methyl ester in a mixture of methyl esters of sunflower oil fatty acids with atmospheric oxygen in a bubble column reactor were studied at various feed rates of the gas phase. The results showed that the oxidation process occurred in the transition region, under diffusion control conditions. The contributions of the diffusion and kinetic components to the rate of oxidative epoxidation of fatty acid methyl esters were demonstrated. The selectivity of the epoxidation reaction decreased with the transition of the oxidation process from the diffusion region to the kinetic.",

keywords = "air oxygen, diffusion control, epoxidation, fatty acid methyl esters, hydroperoxides, mathematical model, oxidation",

author = "Sapunov, {V. N.} and Yudaev, {S. A.} and Cherepanova, {A. D.} and Ivashkina, {E. N.} and Voronov, {M. S.} and Kozlovskiy, {R. A.}",

year = "2020",

month = may,

day = "1",

doi = "10.1134/S1070427220050110",

language = "English",

volume = "93",

pages = "704--711",

journal = "Russian Journal of Applied Chemistry",

issn = "1070-4272",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "5",

}

TY - JOUR

T1 - Features of Epoxidation of Fatty Acid Methyl Esters in a Bubble Reactor

AU - Sapunov, V. N.

AU - Yudaev, S. A.

AU - Cherepanova, A. D.

AU - Ivashkina, E. N.

AU - Voronov, M. S.

AU - Kozlovskiy, R. A.

PY - 2020/5/1

Y1 - 2020/5/1

N2 - The patterns of epoxidation of linoleic acid methyl ester in a mixture of methyl esters of sunflower oil fatty acids with atmospheric oxygen in a bubble column reactor were studied at various feed rates of the gas phase. The results showed that the oxidation process occurred in the transition region, under diffusion control conditions. The contributions of the diffusion and kinetic components to the rate of oxidative epoxidation of fatty acid methyl esters were demonstrated. The selectivity of the epoxidation reaction decreased with the transition of the oxidation process from the diffusion region to the kinetic.

AB - The patterns of epoxidation of linoleic acid methyl ester in a mixture of methyl esters of sunflower oil fatty acids with atmospheric oxygen in a bubble column reactor were studied at various feed rates of the gas phase. The results showed that the oxidation process occurred in the transition region, under diffusion control conditions. The contributions of the diffusion and kinetic components to the rate of oxidative epoxidation of fatty acid methyl esters were demonstrated. The selectivity of the epoxidation reaction decreased with the transition of the oxidation process from the diffusion region to the kinetic.

KW - air oxygen

KW - diffusion control

KW - epoxidation

KW - fatty acid methyl esters

KW - hydroperoxides

KW - mathematical model

KW - oxidation

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U2 - 10.1134/S1070427220050110

DO - 10.1134/S1070427220050110

M3 - Article

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VL - 93

SP - 704

EP - 711

JO - Russian Journal of Applied Chemistry

JF - Russian Journal of Applied Chemistry

SN - 1070-4272

IS - 5