Kinetic aspects of stereoselectivity in hydrogenation of fatty acids

被引:7
作者
Murzin, Dmitry Yu. [1 ]
Simakova, Irina L. [2 ]
机构
[1] Abo Akad Univ, Lab Ind Chem & React Engn, SF-20500 Turku, Finland
[2] Boreskov Inst Catalysis, Novosibirsk, Russia
基金
芬兰科学院;
关键词
hydrogenation; fatty acids; stereoselectivity; kinetics;
D O I
10.1016/j.molcata.2008.02.020
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Kinetic peculiarities of stereoselectivity in hydrogenation of fatty acids are discussed. The reaction mechanism should be able to account for independence of the reaction rate on hydrogen pressure and conversion, stereoselectivity on conversion as well as an increase in cis/trans ratio with pressure increase. Various mechanisms advanced in the literature for formation of cis- and trans mono-unsaturated acids and their derivatives are considered, showing behavior contradicting with experiments. A reaction mechanism is proposed, which is consistent with experimental observations. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:156 / 161
页数:6
相关论文
共 26 条
[1]  
[Anonymous], 2005, ENZYMATIC KINETICS
[2]   KINETICS OF HYDROGENATION OF RAPESEED OIL .1. INFLUENCE OF TRANSPORT STEPS IN KINETIC STUDY [J].
BERN, L ;
HELL, M ;
SCHOON, NH .
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1975, 52 (06) :182-187
[3]   KINETICS OF HYDROGENATION OF RAPESEED OIL .2. RATE EQUATIONS OF CHEMICAL-REACTIONS [J].
BERN, L ;
HELL, M ;
SCHOON, NH .
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1975, 52 (10) :391-394
[4]   Linoleic acid isomerization on Ru/Al2O3 catalyst 2.: Elementary step mechanism and data fitting [J].
Bernas, A ;
Murzin, DY .
CHEMICAL ENGINEERING JOURNAL, 2005, 115 (1-2) :23-43
[5]   Linoleic acid isomerization on Ru/Al2O3 catalyst 1:: Conjugation and hydrogenation [J].
Bernas, A ;
Murzin, DY .
CHEMICAL ENGINEERING JOURNAL, 2005, 115 (1-2) :13-22
[6]   MODELING OF REACTION-RATE CONSTANTS AND SELECTIVITIES IN SOYBEAN OIL HYDROGENATION [J].
CHEN, AH ;
MCINTIRE, DD ;
ALLEN, RR .
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 1981, 58 (08) :816-818
[7]   Kinetic peculiarities of cis/trans methyl oleate formation during hydrogenation of methyl linoleate over Pd/MaO [J].
Deliy, IV ;
Maksimchuk, NV ;
Psaro, R ;
Ravasio, N ;
Dal Santo, V ;
Recchia, S ;
Paukshtis, EA ;
Golovin, AV ;
Semikolenov, VA .
APPLIED CATALYSIS A-GENERAL, 2005, 279 (1-2) :99-107
[8]   Deactivation and coke formation on palladium and platinum catalysts in vegetable oil hydrogenation [J].
Edvardsson, J ;
Rautanen, P ;
Littorin, A ;
Larsson, M .
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY, 2001, 78 (03) :319-327
[9]   Gas-liquid mass-transfer and hydrodynamic parameters in a soybean oil hydrogenation process under industrial conditions [J].
Fillion, B ;
Morsi, BI .
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2000, 39 (07) :2157-2168
[10]   Kinetics, gas-liquid mass transfer, and modeling of the soybean oil hydrogenation process [J].
Fillion, B ;
Morsi, BI ;
Heier, KR ;
Machado, RM .
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2002, 41 (04) :697-709